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-rw-r--r--arch/um/sys-i386/Makefile21
-rw-r--r--arch/um/sys-i386/bugs.c222
-rw-r--r--arch/um/sys-i386/checksum.S460
-rw-r--r--arch/um/sys-i386/delay.c40
-rw-r--r--arch/um/sys-i386/fault.c42
-rw-r--r--arch/um/sys-i386/kernel-offsets.c26
-rw-r--r--arch/um/sys-i386/ksyms.c21
-rw-r--r--arch/um/sys-i386/ldt.c546
-rw-r--r--arch/um/sys-i386/ptrace.c409
-rw-r--r--arch/um/sys-i386/ptrace_user.c131
-rw-r--r--arch/um/sys-i386/sigcontext.c71
-rw-r--r--arch/um/sys-i386/signal.c377
-rw-r--r--arch/um/sys-i386/stub.S51
-rw-r--r--arch/um/sys-i386/stub_segv.c29
-rw-r--r--arch/um/sys-i386/sys_call_table.S16
-rw-r--r--arch/um/sys-i386/syscalls.c195
-rw-r--r--arch/um/sys-i386/sysrq.c102
-rw-r--r--arch/um/sys-i386/unmap.c25
-rw-r--r--arch/um/sys-i386/user-offsets.c70
19 files changed, 0 insertions, 2854 deletions
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
deleted file mode 100644
index 6dfeb70f695..00000000000
--- a/arch/um/sys-i386/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
- ptrace_user.o semaphore.o signal.o sigcontext.o stub.o stub_segv.o \
- syscalls.o sysrq.o sys_call_table.o
-
-obj-$(CONFIG_HIGHMEM) += highmem.o
-obj-$(CONFIG_MODULES) += module.o
-
-USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
-
-SYMLINKS = bitops.c semaphore.c highmem.c module.c
-
-include arch/um/scripts/Makefile.rules
-
-bitops.c-dir = lib
-semaphore.c-dir = kernel
-highmem.c-dir = mm
-module.c-dir = kernel
-
-$(obj)/stub_segv.o : _c_flags = $(call unprofile,$(CFLAGS))
-
-include arch/um/scripts/Makefile.unmap
diff --git a/arch/um/sys-i386/bugs.c b/arch/um/sys-i386/bugs.c
deleted file mode 100644
index 41b0ab2fe83..00000000000
--- a/arch/um/sys-i386/bugs.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/signal.h>
-#include <asm/ldt.h>
-#include "kern_util.h"
-#include "user.h"
-#include "sysdep/ptrace.h"
-#include "task.h"
-#include "os.h"
-
-#define MAXTOKEN 64
-
-/* Set during early boot */
-int host_has_cmov = 1;
-int host_has_xmm = 0;
-
-static char token(int fd, char *buf, int len, char stop)
-{
- int n;
- char *ptr, *end, c;
-
- ptr = buf;
- end = &buf[len];
- do {
- n = os_read_file(fd, ptr, sizeof(*ptr));
- c = *ptr++;
- if(n != sizeof(*ptr)){
- if(n == 0) return(0);
- printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
- if(n < 0)
- return(n);
- else
- return(-EIO);
- }
- } while((c != '\n') && (c != stop) && (ptr < end));
-
- if(ptr == end){
- printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
- return(-1);
- }
- *(ptr - 1) = '\0';
- return(c);
-}
-
-static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
-{
- int n;
- char c;
-
- scratch[len - 1] = '\0';
- while(1){
- c = token(fd, scratch, len - 1, ':');
- if(c <= 0)
- return(0);
- else if(c != ':'){
- printk("Failed to find ':' in /proc/cpuinfo\n");
- return(0);
- }
-
- if(!strncmp(scratch, key, strlen(key)))
- return(1);
-
- do {
- n = os_read_file(fd, &c, sizeof(c));
- if(n != sizeof(c)){
- printk("Failed to find newline in "
- "/proc/cpuinfo, err = %d\n", -n);
- return(0);
- }
- } while(c != '\n');
- }
- return(0);
-}
-
-int cpu_feature(char *what, char *buf, int len)
-{
- int fd, ret = 0;
-
- fd = os_open_file("/proc/cpuinfo", of_read(OPENFLAGS()), 0);
- if(fd < 0){
- printk("Couldn't open /proc/cpuinfo, err = %d\n", -fd);
- return(0);
- }
-
- if(!find_cpuinfo_line(fd, what, buf, len)){
- printk("Couldn't find '%s' line in /proc/cpuinfo\n", what);
- goto out_close;
- }
-
- token(fd, buf, len, '\n');
- ret = 1;
-
- out_close:
- os_close_file(fd);
- return(ret);
-}
-
-static int check_cpu_flag(char *feature, int *have_it)
-{
- char buf[MAXTOKEN], c;
- int fd, len = sizeof(buf)/sizeof(buf[0]);
-
- printk("Checking for host processor %s support...", feature);
- fd = os_open_file("/proc/cpuinfo", of_read(OPENFLAGS()), 0);
- if(fd < 0){
- printk("Couldn't open /proc/cpuinfo, err = %d\n", -fd);
- return(0);
- }
-
- *have_it = 0;
- if(!find_cpuinfo_line(fd, "flags", buf, sizeof(buf) / sizeof(buf[0])))
- goto out;
-
- c = token(fd, buf, len - 1, ' ');
- if(c < 0) goto out;
- else if(c != ' '){
- printk("Failed to find ' ' in /proc/cpuinfo\n");
- goto out;
- }
-
- while(1){
- c = token(fd, buf, len - 1, ' ');
- if(c < 0) goto out;
- else if(c == '\n') break;
-
- if(!strcmp(buf, feature)){
- *have_it = 1;
- goto out;
- }
- }
- out:
- if(*have_it == 0) printk("No\n");
- else if(*have_it == 1) printk("Yes\n");
- os_close_file(fd);
- return(1);
-}
-
-#if 0 /* This doesn't work in tt mode, plus it's causing compilation problems
- * for some people.
- */
-static void disable_lcall(void)
-{
- struct modify_ldt_ldt_s ldt;
- int err;
-
- bzero(&ldt, sizeof(ldt));
- ldt.entry_number = 7;
- ldt.base_addr = 0;
- ldt.limit = 0;
- err = modify_ldt(1, &ldt, sizeof(ldt));
- if(err)
- printk("Failed to disable lcall7 - errno = %d\n", errno);
-}
-#endif
-
-void arch_init_thread(void)
-{
-#if 0
- disable_lcall();
-#endif
-}
-
-void arch_check_bugs(void)
-{
- int have_it;
-
- if(os_access("/proc/cpuinfo", OS_ACC_R_OK) < 0){
- printk("/proc/cpuinfo not available - skipping CPU capability "
- "checks\n");
- return;
- }
- if(check_cpu_flag("cmov", &have_it))
- host_has_cmov = have_it;
- if(check_cpu_flag("xmm", &have_it))
- host_has_xmm = have_it;
-}
-
-int arch_handle_signal(int sig, union uml_pt_regs *regs)
-{
- unsigned char tmp[2];
-
- /* This is testing for a cmov (0x0f 0x4x) instruction causing a
- * SIGILL in init.
- */
- if((sig != SIGILL) || (TASK_PID(get_current()) != 1)) return(0);
-
- if (copy_from_user_proc(tmp, (void *) UPT_IP(regs), 2))
- panic("SIGILL in init, could not read instructions!\n");
- if((tmp[0] != 0x0f) || ((tmp[1] & 0xf0) != 0x40))
- return(0);
-
- if(host_has_cmov == 0)
- panic("SIGILL caused by cmov, which this processor doesn't "
- "implement, boot a filesystem compiled for older "
- "processors");
- else if(host_has_cmov == 1)
- panic("SIGILL caused by cmov, which this processor claims to "
- "implement");
- else if(host_has_cmov == -1)
- panic("SIGILL caused by cmov, couldn't tell if this processor "
- "implements it, boot a filesystem compiled for older "
- "processors");
- else panic("Bad value for host_has_cmov (%d)", host_has_cmov);
- return(0);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/checksum.S b/arch/um/sys-i386/checksum.S
deleted file mode 100644
index d98b2fff3d0..00000000000
--- a/arch/um/sys-i386/checksum.S
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * IP/TCP/UDP checksumming routines
- *
- * Authors: Jorge Cwik, <jorge@laser.satlink.net>
- * Arnt Gulbrandsen, <agulbra@nvg.unit.no>
- * Tom May, <ftom@netcom.com>
- * Pentium Pro/II routines:
- * Alexander Kjeldaas <astor@guardian.no>
- * Finn Arne Gangstad <finnag@guardian.no>
- * Lots of code moved from tcp.c and ip.c; see those files
- * for more names.
- *
- * Changes: Ingo Molnar, converted csum_partial_copy() to 2.1 exception
- * handling.
- * Andi Kleen, add zeroing on error
- * converted to pure assembler
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <asm/errno.h>
-
-/*
- * computes a partial checksum, e.g. for TCP/UDP fragments
- */
-
-/*
-unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
- */
-
-.text
-.align 4
-.globl csum_partial
-
-#ifndef CONFIG_X86_USE_PPRO_CHECKSUM
-
- /*
- * Experiments with Ethernet and SLIP connections show that buff
- * is aligned on either a 2-byte or 4-byte boundary. We get at
- * least a twofold speedup on 486 and Pentium if it is 4-byte aligned.
- * Fortunately, it is easy to convert 2-byte alignment to 4-byte
- * alignment for the unrolled loop.
- */
-csum_partial:
- pushl %esi
- pushl %ebx
- movl 20(%esp),%eax # Function arg: unsigned int sum
- movl 16(%esp),%ecx # Function arg: int len
- movl 12(%esp),%esi # Function arg: unsigned char *buff
- testl $2, %esi # Check alignment.
- jz 2f # Jump if alignment is ok.
- subl $2, %ecx # Alignment uses up two bytes.
- jae 1f # Jump if we had at least two bytes.
- addl $2, %ecx # ecx was < 2. Deal with it.
- jmp 4f
-1: movw (%esi), %bx
- addl $2, %esi
- addw %bx, %ax
- adcl $0, %eax
-2:
- movl %ecx, %edx
- shrl $5, %ecx
- jz 2f
- testl %esi, %esi
-1: movl (%esi), %ebx
- adcl %ebx, %eax
- movl 4(%esi), %ebx
- adcl %ebx, %eax
- movl 8(%esi), %ebx
- adcl %ebx, %eax
- movl 12(%esi), %ebx
- adcl %ebx, %eax
- movl 16(%esi), %ebx
- adcl %ebx, %eax
- movl 20(%esi), %ebx
- adcl %ebx, %eax
- movl 24(%esi), %ebx
- adcl %ebx, %eax
- movl 28(%esi), %ebx
- adcl %ebx, %eax
- lea 32(%esi), %esi
- dec %ecx
- jne 1b
- adcl $0, %eax
-2: movl %edx, %ecx
- andl $0x1c, %edx
- je 4f
- shrl $2, %edx # This clears CF
-3: adcl (%esi), %eax
- lea 4(%esi), %esi
- dec %edx
- jne 3b
- adcl $0, %eax
-4: andl $3, %ecx
- jz 7f
- cmpl $2, %ecx
- jb 5f
- movw (%esi),%cx
- leal 2(%esi),%esi
- je 6f
- shll $16,%ecx
-5: movb (%esi),%cl
-6: addl %ecx,%eax
- adcl $0, %eax
-7:
- popl %ebx
- popl %esi
- ret
-
-#else
-
-/* Version for PentiumII/PPro */
-
-csum_partial:
- pushl %esi
- pushl %ebx
- movl 20(%esp),%eax # Function arg: unsigned int sum
- movl 16(%esp),%ecx # Function arg: int len
- movl 12(%esp),%esi # Function arg: const unsigned char *buf
-
- testl $2, %esi
- jnz 30f
-10:
- movl %ecx, %edx
- movl %ecx, %ebx
- andl $0x7c, %ebx
- shrl $7, %ecx
- addl %ebx,%esi
- shrl $2, %ebx
- negl %ebx
- lea 45f(%ebx,%ebx,2), %ebx
- testl %esi, %esi
- jmp *%ebx
-
- # Handle 2-byte-aligned regions
-20: addw (%esi), %ax
- lea 2(%esi), %esi
- adcl $0, %eax
- jmp 10b
-
-30: subl $2, %ecx
- ja 20b
- je 32f
- movzbl (%esi),%ebx # csumming 1 byte, 2-aligned
- addl %ebx, %eax
- adcl $0, %eax
- jmp 80f
-32:
- addw (%esi), %ax # csumming 2 bytes, 2-aligned
- adcl $0, %eax
- jmp 80f
-
-40:
- addl -128(%esi), %eax
- adcl -124(%esi), %eax
- adcl -120(%esi), %eax
- adcl -116(%esi), %eax
- adcl -112(%esi), %eax
- adcl -108(%esi), %eax
- adcl -104(%esi), %eax
- adcl -100(%esi), %eax
- adcl -96(%esi), %eax
- adcl -92(%esi), %eax
- adcl -88(%esi), %eax
- adcl -84(%esi), %eax
- adcl -80(%esi), %eax
- adcl -76(%esi), %eax
- adcl -72(%esi), %eax
- adcl -68(%esi), %eax
- adcl -64(%esi), %eax
- adcl -60(%esi), %eax
- adcl -56(%esi), %eax
- adcl -52(%esi), %eax
- adcl -48(%esi), %eax
- adcl -44(%esi), %eax
- adcl -40(%esi), %eax
- adcl -36(%esi), %eax
- adcl -32(%esi), %eax
- adcl -28(%esi), %eax
- adcl -24(%esi), %eax
- adcl -20(%esi), %eax
- adcl -16(%esi), %eax
- adcl -12(%esi), %eax
- adcl -8(%esi), %eax
- adcl -4(%esi), %eax
-45:
- lea 128(%esi), %esi
- adcl $0, %eax
- dec %ecx
- jge 40b
- movl %edx, %ecx
-50: andl $3, %ecx
- jz 80f
-
- # Handle the last 1-3 bytes without jumping
- notl %ecx # 1->2, 2->1, 3->0, higher bits are masked
- movl $0xffffff,%ebx # by the shll and shrl instructions
- shll $3,%ecx
- shrl %cl,%ebx
- andl -128(%esi),%ebx # esi is 4-aligned so should be ok
- addl %ebx,%eax
- adcl $0,%eax
-80:
- popl %ebx
- popl %esi
- ret
-
-#endif
-
-/*
-unsigned int csum_partial_copy_generic (const char *src, char *dst,
- int len, int sum, int *src_err_ptr, int *dst_err_ptr)
- */
-
-/*
- * Copy from ds while checksumming, otherwise like csum_partial
- *
- * The macros SRC and DST specify the type of access for the instruction.
- * thus we can call a custom exception handler for all access types.
- *
- * FIXME: could someone double-check whether I haven't mixed up some SRC and
- * DST definitions? It's damn hard to trigger all cases. I hope I got
- * them all but there's no guarantee.
- */
-
-#define SRC(y...) \
- 9999: y; \
- .section __ex_table, "a"; \
- .long 9999b, 6001f ; \
- .previous
-
-#define DST(y...) \
- 9999: y; \
- .section __ex_table, "a"; \
- .long 9999b, 6002f ; \
- .previous
-
-.align 4
-.globl csum_partial_copy_generic_i386
-
-#ifndef CONFIG_X86_USE_PPRO_CHECKSUM
-
-#define ARGBASE 16
-#define FP 12
-
-csum_partial_copy_generic_i386:
- subl $4,%esp
- pushl %edi
- pushl %esi
- pushl %ebx
- movl ARGBASE+16(%esp),%eax # sum
- movl ARGBASE+12(%esp),%ecx # len
- movl ARGBASE+4(%esp),%esi # src
- movl ARGBASE+8(%esp),%edi # dst
-
- testl $2, %edi # Check alignment.
- jz 2f # Jump if alignment is ok.
- subl $2, %ecx # Alignment uses up two bytes.
- jae 1f # Jump if we had at least two bytes.
- addl $2, %ecx # ecx was < 2. Deal with it.
- jmp 4f
-SRC(1: movw (%esi), %bx )
- addl $2, %esi
-DST( movw %bx, (%edi) )
- addl $2, %edi
- addw %bx, %ax
- adcl $0, %eax
-2:
- movl %ecx, FP(%esp)
- shrl $5, %ecx
- jz 2f
- testl %esi, %esi
-SRC(1: movl (%esi), %ebx )
-SRC( movl 4(%esi), %edx )
- adcl %ebx, %eax
-DST( movl %ebx, (%edi) )
- adcl %edx, %eax
-DST( movl %edx, 4(%edi) )
-
-SRC( movl 8(%esi), %ebx )
-SRC( movl 12(%esi), %edx )
- adcl %ebx, %eax
-DST( movl %ebx, 8(%edi) )
- adcl %edx, %eax
-DST( movl %edx, 12(%edi) )
-
-SRC( movl 16(%esi), %ebx )
-SRC( movl 20(%esi), %edx )
- adcl %ebx, %eax
-DST( movl %ebx, 16(%edi) )
- adcl %edx, %eax
-DST( movl %edx, 20(%edi) )
-
-SRC( movl 24(%esi), %ebx )
-SRC( movl 28(%esi), %edx )
- adcl %ebx, %eax
-DST( movl %ebx, 24(%edi) )
- adcl %edx, %eax
-DST( movl %edx, 28(%edi) )
-
- lea 32(%esi), %esi
- lea 32(%edi), %edi
- dec %ecx
- jne 1b
- adcl $0, %eax
-2: movl FP(%esp), %edx
- movl %edx, %ecx
- andl $0x1c, %edx
- je 4f
- shrl $2, %edx # This clears CF
-SRC(3: movl (%esi), %ebx )
- adcl %ebx, %eax
-DST( movl %ebx, (%edi) )
- lea 4(%esi), %esi
- lea 4(%edi), %edi
- dec %edx
- jne 3b
- adcl $0, %eax
-4: andl $3, %ecx
- jz 7f
- cmpl $2, %ecx
- jb 5f
-SRC( movw (%esi), %cx )
- leal 2(%esi), %esi
-DST( movw %cx, (%edi) )
- leal 2(%edi), %edi
- je 6f
- shll $16,%ecx
-SRC(5: movb (%esi), %cl )
-DST( movb %cl, (%edi) )
-6: addl %ecx, %eax
- adcl $0, %eax
-7:
-5000:
-
-# Exception handler:
-.section .fixup, "ax"
-
-6001:
- movl ARGBASE+20(%esp), %ebx # src_err_ptr
- movl $-EFAULT, (%ebx)
-
- # zero the complete destination - computing the rest
- # is too much work
- movl ARGBASE+8(%esp), %edi # dst
- movl ARGBASE+12(%esp), %ecx # len
- xorl %eax,%eax
- rep ; stosb
-
- jmp 5000b
-
-6002:
- movl ARGBASE+24(%esp), %ebx # dst_err_ptr
- movl $-EFAULT,(%ebx)
- jmp 5000b
-
-.previous
-
- popl %ebx
- popl %esi
- popl %edi
- popl %ecx # equivalent to addl $4,%esp
- ret
-
-#else
-
-/* Version for PentiumII/PPro */
-
-#define ROUND1(x) \
- SRC(movl x(%esi), %ebx ) ; \
- addl %ebx, %eax ; \
- DST(movl %ebx, x(%edi) ) ;
-
-#define ROUND(x) \
- SRC(movl x(%esi), %ebx ) ; \
- adcl %ebx, %eax ; \
- DST(movl %ebx, x(%edi) ) ;
-
-#define ARGBASE 12
-
-csum_partial_copy_generic_i386:
- pushl %ebx
- pushl %edi
- pushl %esi
- movl ARGBASE+4(%esp),%esi #src
- movl ARGBASE+8(%esp),%edi #dst
- movl ARGBASE+12(%esp),%ecx #len
- movl ARGBASE+16(%esp),%eax #sum
-# movl %ecx, %edx
- movl %ecx, %ebx
- movl %esi, %edx
- shrl $6, %ecx
- andl $0x3c, %ebx
- negl %ebx
- subl %ebx, %esi
- subl %ebx, %edi
- lea -1(%esi),%edx
- andl $-32,%edx
- lea 3f(%ebx,%ebx), %ebx
- testl %esi, %esi
- jmp *%ebx
-1: addl $64,%esi
- addl $64,%edi
- SRC(movb -32(%edx),%bl) ; SRC(movb (%edx),%bl)
- ROUND1(-64) ROUND(-60) ROUND(-56) ROUND(-52)
- ROUND (-48) ROUND(-44) ROUND(-40) ROUND(-36)
- ROUND (-32) ROUND(-28) ROUND(-24) ROUND(-20)
- ROUND (-16) ROUND(-12) ROUND(-8) ROUND(-4)
-3: adcl $0,%eax
- addl $64, %edx
- dec %ecx
- jge 1b
-4: movl ARGBASE+12(%esp),%edx #len
- andl $3, %edx
- jz 7f
- cmpl $2, %edx
- jb 5f
-SRC( movw (%esi), %dx )
- leal 2(%esi), %esi
-DST( movw %dx, (%edi) )
- leal 2(%edi), %edi
- je 6f
- shll $16,%edx
-5:
-SRC( movb (%esi), %dl )
-DST( movb %dl, (%edi) )
-6: addl %edx, %eax
- adcl $0, %eax
-7:
-.section .fixup, "ax"
-6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr
- movl $-EFAULT, (%ebx)
- # zero the complete destination (computing the rest is too much work)
- movl ARGBASE+8(%esp),%edi # dst
- movl ARGBASE+12(%esp),%ecx # len
- xorl %eax,%eax
- rep; stosb
- jmp 7b
-6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr
- movl $-EFAULT, (%ebx)
- jmp 7b
-.previous
-
- popl %esi
- popl %edi
- popl %ebx
- ret
-
-#undef ROUND
-#undef ROUND1
-
-#endif
diff --git a/arch/um/sys-i386/delay.c b/arch/um/sys-i386/delay.c
deleted file mode 100644
index 2c11b9770e8..00000000000
--- a/arch/um/sys-i386/delay.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <asm/param.h>
-
-void __delay(unsigned long time)
-{
- /* Stolen from the i386 __loop_delay */
- int d0;
- __asm__ __volatile__(
- "\tjmp 1f\n"
- ".align 16\n"
- "1:\tjmp 2f\n"
- ".align 16\n"
- "2:\tdecl %0\n\tjns 2b"
- :"=&a" (d0)
- :"0" (time));
-}
-
-void __udelay(unsigned long usecs)
-{
- int i, n;
-
- n = (loops_per_jiffy * HZ * usecs) / MILLION;
- for(i=0;i<n;i++)
- cpu_relax();
-}
-
-EXPORT_SYMBOL(__udelay);
-
-void __const_udelay(unsigned long usecs)
-{
- int i, n;
-
- n = (loops_per_jiffy * HZ * usecs) / MILLION;
- for(i=0;i<n;i++)
- cpu_relax();
-}
-
-EXPORT_SYMBOL(__const_udelay);
diff --git a/arch/um/sys-i386/fault.c b/arch/um/sys-i386/fault.c
deleted file mode 100644
index d0bbcdfdb53..00000000000
--- a/arch/um/sys-i386/fault.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com)
- * Licensed under the GPL
- */
-
-#include <signal.h>
-#include "sysdep/ptrace.h"
-#include "sysdep/sigcontext.h"
-
-/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
-struct exception_table_entry
-{
- unsigned long insn;
- unsigned long fixup;
-};
-
-const struct exception_table_entry *search_exception_tables(unsigned long add);
-
-/* Compare this to arch/i386/mm/extable.c:fixup_exception() */
-int arch_fixup(unsigned long address, void *sc_ptr)
-{
- struct sigcontext *sc = sc_ptr;
- const struct exception_table_entry *fixup;
-
- fixup = search_exception_tables(address);
- if(fixup != 0){
- sc->eip = fixup->fixup;
- return(1);
- }
- return(0);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/kernel-offsets.c b/arch/um/sys-i386/kernel-offsets.c
deleted file mode 100644
index 35db8505750..00000000000
--- a/arch/um/sys-i386/kernel-offsets.c
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <linux/config.h>
-#include <linux/stddef.h>
-#include <linux/sched.h>
-#include <linux/time.h>
-#include <linux/elf.h>
-#include <asm/page.h>
-
-#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
-
-#define STR(x) #x
-#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " STR(val) " " #val: : )
-
-#define BLANK() asm volatile("\n->" : : )
-
-#define OFFSET(sym, str, mem) \
- DEFINE(sym, offsetof(struct str, mem));
-
-void foo(void)
-{
- OFFSET(HOST_TASK_DEBUGREGS, task_struct, thread.arch.debugregs);
-#ifdef CONFIG_MODE_TT
- OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
-#endif
-#include <common-offsets.h>
-}
diff --git a/arch/um/sys-i386/ksyms.c b/arch/um/sys-i386/ksyms.c
deleted file mode 100644
index db524ab3f74..00000000000
--- a/arch/um/sys-i386/ksyms.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include "linux/module.h"
-#include "linux/in6.h"
-#include "linux/rwsem.h"
-#include "asm/byteorder.h"
-#include "asm/delay.h"
-#include "asm/semaphore.h"
-#include "asm/uaccess.h"
-#include "asm/checksum.h"
-#include "asm/errno.h"
-
-EXPORT_SYMBOL(__down_failed);
-EXPORT_SYMBOL(__down_failed_interruptible);
-EXPORT_SYMBOL(__down_failed_trylock);
-EXPORT_SYMBOL(__up_wakeup);
-
-/* Networking helper routines. */
-EXPORT_SYMBOL(csum_partial);
-
-/* delay core functions */
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__udelay);
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
deleted file mode 100644
index 6360f1c958d..00000000000
--- a/arch/um/sys-i386/ldt.c
+++ /dev/null
@@ -1,546 +0,0 @@
-/*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include "linux/stddef.h"
-#include "linux/config.h"
-#include "linux/sched.h"
-#include "linux/slab.h"
-#include "linux/types.h"
-#include "linux/errno.h"
-#include "asm/uaccess.h"
-#include "asm/smp.h"
-#include "asm/ldt.h"
-#include "asm/unistd.h"
-#include "choose-mode.h"
-#include "kern.h"
-#include "mode_kern.h"
-
-extern int modify_ldt(int func, void *ptr, unsigned long bytecount);
-
-#ifdef CONFIG_MODE_TT
-
-static long do_modify_ldt_tt(int func, void __user *ptr,
- unsigned long bytecount)
-{
- struct user_desc info;
- int res = 0;
- void *buf = NULL;
- void *p = NULL; /* What we pass to host. */
-
- switch(func){
- case 1:
- case 0x11: /* write_ldt */
- /* Do this check now to avoid overflows. */
- if (bytecount != sizeof(struct user_desc)) {
- res = -EINVAL;
- goto out;
- }
-
- if(copy_from_user(&info, ptr, sizeof(info))) {
- res = -EFAULT;
- goto out;
- }
-
- p = &info;
- break;
- case 0:
- case 2: /* read_ldt */
-
- /* The use of info avoids kmalloc on the write case, not on the
- * read one. */
- buf = kmalloc(bytecount, GFP_KERNEL);
- if (!buf) {
- res = -ENOMEM;
- goto out;
- }
- p = buf;
- break;
- default:
- res = -ENOSYS;
- goto out;
- }
-
- res = modify_ldt(func, p, bytecount);
- if(res < 0)
- goto out;
-
- switch(func){
- case 0:
- case 2:
- /* Modify_ldt was for reading and returned the number of read
- * bytes.*/
- if(copy_to_user(ptr, p, res))
- res = -EFAULT;
- break;
- }
-
-out:
- kfree(buf);
- return res;
-}
-
-#endif
-
-#ifdef CONFIG_MODE_SKAS
-
-#include "skas.h"
-#include "skas_ptrace.h"
-#include "asm/mmu_context.h"
-
-long write_ldt_entry(struct mm_id * mm_idp, int func, struct user_desc * desc,
- void **addr, int done)
-{
- long res;
-
- if(proc_mm){
- /* This is a special handling for the case, that the mm to
- * modify isn't current->active_mm.
- * If this is called directly by modify_ldt,
- * (current->active_mm->context.skas.u == mm_idp)
- * will be true. So no call to switch_mm_skas(mm_idp) is done.
- * If this is called in case of init_new_ldt or PTRACE_LDT,
- * mm_idp won't belong to current->active_mm, but child->mm.
- * So we need to switch child's mm into our userspace, then
- * later switch back.
- *
- * Note: I'm unshure: should interrupts be disabled here?
- */
- if(!current->active_mm || current->active_mm == &init_mm ||
- mm_idp != &current->active_mm->context.skas.id)
- switch_mm_skas(mm_idp);
- }
-
- if(ptrace_ldt) {
- struct ptrace_ldt ldt_op = (struct ptrace_ldt) {
- .func = func,
- .ptr = desc,
- .bytecount = sizeof(*desc)};
- u32 cpu;
- int pid;
-
- if(!proc_mm)
- pid = mm_idp->u.pid;
- else {
- cpu = get_cpu();
- pid = userspace_pid[cpu];
- }
-
- res = ptrace(PTRACE_LDT, pid, 0, (unsigned long) &ldt_op);
- if(res)
- res = errno;
-
- if(proc_mm)
- put_cpu();
- }
- else {
- void *stub_addr;
- res = syscall_stub_data(mm_idp, (unsigned long *)desc,
- (sizeof(*desc) + sizeof(long) - 1) &
- ~(sizeof(long) - 1),
- addr, &stub_addr);
- if(!res){
- unsigned long args[] = { func,
- (unsigned long)stub_addr,
- sizeof(*desc),
- 0, 0, 0 };
- res = run_syscall_stub(mm_idp, __NR_modify_ldt, args,
- 0, addr, done);
- }
- }
-
- if(proc_mm){
- /* This is the second part of special handling, that makes
- * PTRACE_LDT possible to implement.
- */
- if(current->active_mm && current->active_mm != &init_mm &&
- mm_idp != &current->active_mm->context.skas.id)
- switch_mm_skas(&current->active_mm->context.skas.id);
- }
-
- return res;
-}
-
-static long read_ldt_from_host(void __user * ptr, unsigned long bytecount)
-{
- int res, n;
- struct ptrace_ldt ptrace_ldt = (struct ptrace_ldt) {
- .func = 0,
- .bytecount = bytecount,
- .ptr = (void *)kmalloc(bytecount, GFP_KERNEL)};
- u32 cpu;
-
- if(ptrace_ldt.ptr == NULL)
- return -ENOMEM;
-
- /* This is called from sys_modify_ldt only, so userspace_pid gives
- * us the right number
- */
-
- cpu = get_cpu();
- res = ptrace(PTRACE_LDT, userspace_pid[cpu], 0,
- (unsigned long) &ptrace_ldt);
- put_cpu();
- if(res < 0)
- goto out;
-
- n = copy_to_user(ptr, ptrace_ldt.ptr, res);
- if(n != 0)
- res = -EFAULT;
-
- out:
- kfree(ptrace_ldt.ptr);
-
- return res;
-}
-
-/*
- * In skas mode, we hold our own ldt data in UML.
- * Thus, the code implementing sys_modify_ldt_skas
- * is very similar to (and mostly stolen from) sys_modify_ldt
- * for arch/i386/kernel/ldt.c
- * The routines copied and modified in part are:
- * - read_ldt
- * - read_default_ldt
- * - write_ldt
- * - sys_modify_ldt_skas
- */
-
-static int read_ldt(void __user * ptr, unsigned long bytecount)
-{
- int i, err = 0;
- unsigned long size;
- uml_ldt_t * ldt = &current->mm->context.skas.ldt;
-
- if(!ldt->entry_count)
- goto out;
- if(bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES)
- bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES;
- err = bytecount;
-
- if(ptrace_ldt){
- return read_ldt_from_host(ptr, bytecount);
- }
-
- down(&ldt->semaphore);
- if(ldt->entry_count <= LDT_DIRECT_ENTRIES){
- size = LDT_ENTRY_SIZE*LDT_DIRECT_ENTRIES;
- if(size > bytecount)
- size = bytecount;
- if(copy_to_user(ptr, ldt->entries, size))
- err = -EFAULT;
- bytecount -= size;
- ptr += size;
- }
- else {
- for(i=0; i<ldt->entry_count/LDT_ENTRIES_PER_PAGE && bytecount;
- i++){
- size = PAGE_SIZE;
- if(size > bytecount)
- size = bytecount;
- if(copy_to_user(ptr, ldt->pages[i], size)){
- err = -EFAULT;
- break;
- }
- bytecount -= size;
- ptr += size;
- }
- }
- up(&ldt->semaphore);
-
- if(bytecount == 0 || err == -EFAULT)
- goto out;
-
- if(clear_user(ptr, bytecount))
- err = -EFAULT;
-
-out:
- return err;
-}
-
-static int read_default_ldt(void __user * ptr, unsigned long bytecount)
-{
- int err;
-
- if(bytecount > 5*LDT_ENTRY_SIZE)
- bytecount = 5*LDT_ENTRY_SIZE;
-
- err = bytecount;
- /* UML doesn't support lcall7 and lcall27.
- * So, we don't really have a default ldt, but emulate
- * an empty ldt of common host default ldt size.
- */
- if(clear_user(ptr, bytecount))
- err = -EFAULT;
-
- return err;
-}
-
-static int write_ldt(void __user * ptr, unsigned long bytecount, int func)
-{
- uml_ldt_t * ldt = &current->mm->context.skas.ldt;
- struct mm_id * mm_idp = &current->mm->context.skas.id;
- int i, err;
- struct user_desc ldt_info;
- struct ldt_entry entry0, *ldt_p;
- void *addr = NULL;
-
- err = -EINVAL;
- if(bytecount != sizeof(ldt_info))
- goto out;
- err = -EFAULT;
- if(copy_from_user(&ldt_info, ptr, sizeof(ldt_info)))
- goto out;
-
- err = -EINVAL;
- if(ldt_info.entry_number >= LDT_ENTRIES)
- goto out;
- if(ldt_info.contents == 3){
- if (func == 1)
- goto out;
- if (ldt_info.seg_not_present == 0)
- goto out;
- }
-
- if(!ptrace_ldt)
- down(&ldt->semaphore);
-
- err = write_ldt_entry(mm_idp, func, &ldt_info, &addr, 1);
- if(err)
- goto out_unlock;
- else if(ptrace_ldt) {
- /* With PTRACE_LDT available, this is used as a flag only */
- ldt->entry_count = 1;
- goto out;
- }
-
- if(ldt_info.entry_number >= ldt->entry_count &&
- ldt_info.entry_number >= LDT_DIRECT_ENTRIES){
- for(i=ldt->entry_count/LDT_ENTRIES_PER_PAGE;
- i*LDT_ENTRIES_PER_PAGE <= ldt_info.entry_number;
- i++){
- if(i == 0)
- memcpy(&entry0, ldt->entries, sizeof(entry0));
- ldt->pages[i] = (struct ldt_entry *)
- __get_free_page(GFP_KERNEL|__GFP_ZERO);
- if(!ldt->pages[i]){
- err = -ENOMEM;
- /* Undo the change in host */
- memset(&ldt_info, 0, sizeof(ldt_info));
- write_ldt_entry(mm_idp, 1, &ldt_info, &addr, 1);
- goto out_unlock;
- }
- if(i == 0) {
- memcpy(ldt->pages[0], &entry0, sizeof(entry0));
- memcpy(ldt->pages[0]+1, ldt->entries+1,
- sizeof(entry0)*(LDT_DIRECT_ENTRIES-1));
- }
- ldt->entry_count = (i + 1) * LDT_ENTRIES_PER_PAGE;
- }
- }
- if(ldt->entry_count <= ldt_info.entry_number)
- ldt->entry_count = ldt_info.entry_number + 1;
-
- if(ldt->entry_count <= LDT_DIRECT_ENTRIES)
- ldt_p = ldt->entries + ldt_info.entry_number;
- else
- ldt_p = ldt->pages[ldt_info.entry_number/LDT_ENTRIES_PER_PAGE] +
- ldt_info.entry_number%LDT_ENTRIES_PER_PAGE;
-
- if(ldt_info.base_addr == 0 && ldt_info.limit == 0 &&
- (func == 1 || LDT_empty(&ldt_info))){
- ldt_p->a = 0;
- ldt_p->b = 0;
- }
- else{
- if (func == 1)
- ldt_info.useable = 0;
- ldt_p->a = LDT_entry_a(&ldt_info);
- ldt_p->b = LDT_entry_b(&ldt_info);
- }
- err = 0;
-
-out_unlock:
- up(&ldt->semaphore);
-out:
- return err;
-}
-
-static long do_modify_ldt_skas(int func, void __user *ptr,
- unsigned long bytecount)
-{
- int ret = -ENOSYS;
-
- switch (func) {
- case 0:
- ret = read_ldt(ptr, bytecount);
- break;
- case 1:
- case 0x11:
- ret = write_ldt(ptr, bytecount, func);
- break;
- case 2:
- ret = read_default_ldt(ptr, bytecount);
- break;
- }
- return ret;
-}
-
-short dummy_list[9] = {0, -1};
-short * host_ldt_entries = NULL;
-
-void ldt_get_host_info(void)
-{
- long ret;
- struct ldt_entry * ldt;
- int i, size, k, order;
-
- host_ldt_entries = dummy_list+1;
-
- for(i = LDT_PAGES_MAX-1, order=0; i; i>>=1, order++);
-
- ldt = (struct ldt_entry *)
- __get_free_pages(GFP_KERNEL|__GFP_ZERO, order);
- if(ldt == NULL) {
- printk("ldt_get_host_info: couldn't allocate buffer for host ldt\n");
- return;
- }
-
- ret = modify_ldt(0, ldt, (1<<order)*PAGE_SIZE);
- if(ret < 0) {
- printk("ldt_get_host_info: couldn't read host ldt\n");
- goto out_free;
- }
- if(ret == 0) {
- /* default_ldt is active, simply write an empty entry 0 */
- host_ldt_entries = dummy_list;
- goto out_free;
- }
-
- for(i=0, size=0; i<ret/LDT_ENTRY_SIZE; i++){
- if(ldt[i].a != 0 || ldt[i].b != 0)
- size++;
- }
-
- if(size < sizeof(dummy_list)/sizeof(dummy_list[0])) {
- host_ldt_entries = dummy_list;
- }
- else {
- size = (size + 1) * sizeof(dummy_list[0]);
- host_ldt_entries = (short *)kmalloc(size, GFP_KERNEL);
- if(host_ldt_entries == NULL) {
- printk("ldt_get_host_info: couldn't allocate host ldt list\n");
- goto out_free;
- }
- }
-
- for(i=0, k=0; i<ret/LDT_ENTRY_SIZE; i++){
- if(ldt[i].a != 0 || ldt[i].b != 0) {
- host_ldt_entries[k++] = i;
- }
- }
- host_ldt_entries[k] = -1;
-
-out_free:
- free_pages((unsigned long)ldt, order);
-}
-
-long init_new_ldt(struct mmu_context_skas * new_mm,
- struct mmu_context_skas * from_mm)
-{
- struct user_desc desc;
- short * num_p;
- int i;
- long page, err=0;
- void *addr = NULL;
-
- memset(&desc, 0, sizeof(desc));
-
- if(!ptrace_ldt)
- init_MUTEX(&new_mm->ldt.semaphore);
-
- if(!from_mm){
- /*
- * We have to initialize a clean ldt.
- */
- if(proc_mm) {
- /*
- * If the new mm was created using proc_mm, host's
- * default-ldt currently is assigned, which normally
- * contains the call-gates for lcall7 and lcall27.
- * To remove these gates, we simply write an empty
- * entry as number 0 to the host.
- */
- err = write_ldt_entry(&new_mm->id, 1, &desc,
- &addr, 1);
- }
- else{
- /*
- * Now we try to retrieve info about the ldt, we
- * inherited from the host. All ldt-entries found
- * will be reset in the following loop
- */
- if(host_ldt_entries == NULL)
- ldt_get_host_info();
- for(num_p=host_ldt_entries; *num_p != -1; num_p++){
- desc.entry_number = *num_p;
- err = write_ldt_entry(&new_mm->id, 1, &desc,
- &addr, *(num_p + 1) == -1);
- if(err)
- break;
- }
- }
- new_mm->ldt.entry_count = 0;
- }
- else if (!ptrace_ldt) {
- /* Our local LDT is used to supply the data for
- * modify_ldt(READLDT), if PTRACE_LDT isn't available,
- * i.e., we have to use the stub for modify_ldt, which
- * can't handle the big read buffer of up to 64kB.
- */
- down(&from_mm->ldt.semaphore);
- if(from_mm->ldt.entry_count <= LDT_DIRECT_ENTRIES){
- memcpy(new_mm->ldt.entries, from_mm->ldt.entries,
- sizeof(new_mm->ldt.entries));
- }
- else{
- i = from_mm->ldt.entry_count / LDT_ENTRIES_PER_PAGE;
- while(i-->0){
- page = __get_free_page(GFP_KERNEL|__GFP_ZERO);
- if (!page){
- err = -ENOMEM;
- break;
- }
- new_mm->ldt.pages[i] = (struct ldt_entry*)page;
- memcpy(new_mm->ldt.pages[i],
- from_mm->ldt.pages[i], PAGE_SIZE);
- }
- }
- new_mm->ldt.entry_count = from_mm->ldt.entry_count;
- up(&from_mm->ldt.semaphore);
- }
-
- return err;
-}
-
-
-void free_ldt(struct mmu_context_skas * mm)
-{
- int i;
-
- if(!ptrace_ldt && mm->ldt.entry_count > LDT_DIRECT_ENTRIES){
- i = mm->ldt.entry_count / LDT_ENTRIES_PER_PAGE;
- while(i-- > 0){
- free_page((long )mm->ldt.pages[i]);
- }
- }
- mm->ldt.entry_count = 0;
-}
-#endif
-
-int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
-{
- return(CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func,
- ptr, bytecount));
-}
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
deleted file mode 100644
index e839ce65ad2..00000000000
--- a/arch/um/sys-i386/ptrace.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <linux/config.h>
-#include <linux/compiler.h>
-#include "linux/sched.h"
-#include "asm/elf.h"
-#include "asm/ptrace.h"
-#include "asm/uaccess.h"
-#include "asm/unistd.h"
-#include "sysdep/ptrace.h"
-#include "sysdep/sigcontext.h"
-#include "sysdep/sc.h"
-
-void arch_switch(void)
-{
- update_debugregs(current->thread.arch.debugregs_seq);
-}
-
-int is_syscall(unsigned long addr)
-{
- unsigned short instr;
- int n;
-
- n = copy_from_user(&instr, (void __user *) addr, sizeof(instr));
- if(n){
- printk("is_syscall : failed to read instruction from 0x%lx\n",
- addr);
- return(0);
- }
- /* int 0x80 or sysenter */
- return((instr == 0x80cd) || (instr == 0x340f));
-}
-
-/* determines which flags the user has access to. */
-/* 1 = access 0 = no access */
-#define FLAG_MASK 0x00044dd5
-
-int putreg(struct task_struct *child, int regno, unsigned long value)
-{
- regno >>= 2;
- switch (regno) {
- case FS:
- if (value && (value & 3) != 3)
- return -EIO;
- PT_REGS_FS(&child->thread.regs) = value;
- return 0;
- case GS:
- if (value && (value & 3) != 3)
- return -EIO;
- PT_REGS_GS(&child->thread.regs) = value;
- return 0;
- case DS:
- case ES:
- if (value && (value & 3) != 3)
- return -EIO;
- value &= 0xffff;
- break;
- case SS:
- case CS:
- if ((value & 3) != 3)
- return -EIO;
- value &= 0xffff;
- break;
- case EFL:
- value &= FLAG_MASK;
- value |= PT_REGS_EFLAGS(&child->thread.regs);
- break;
- }
- PT_REGS_SET(&child->thread.regs, regno, value);
- return 0;
-}
-
-int poke_user(struct task_struct *child, long addr, long data)
-{
- if ((addr & 3) || addr < 0)
- return -EIO;
-
- if (addr < MAX_REG_OFFSET)
- return putreg(child, addr, data);
-
- else if((addr >= offsetof(struct user, u_debugreg[0])) &&
- (addr <= offsetof(struct user, u_debugreg[7]))){
- addr -= offsetof(struct user, u_debugreg[0]);
- addr = addr >> 2;
- if((addr == 4) || (addr == 5)) return -EIO;
- child->thread.arch.debugregs[addr] = data;
- return 0;
- }
- return -EIO;
-}
-
-unsigned long getreg(struct task_struct *child, int regno)
-{
- unsigned long retval = ~0UL;
-
- regno >>= 2;
- switch (regno) {
- case FS:
- case GS:
- case DS:
- case ES:
- case SS:
- case CS:
- retval = 0xffff;
- /* fall through */
- default:
- retval &= PT_REG(&child->thread.regs, regno);
- }
- return retval;
-}
-
-int peek_user(struct task_struct *child, long addr, long data)
-{
-/* read the word at location addr in the USER area. */
- unsigned long tmp;
-
- if ((addr & 3) || addr < 0)
- return -EIO;
-
- tmp = 0; /* Default return condition */
- if(addr < MAX_REG_OFFSET){
- tmp = getreg(child, addr);
- }
- else if((addr >= offsetof(struct user, u_debugreg[0])) &&
- (addr <= offsetof(struct user, u_debugreg[7]))){
- addr -= offsetof(struct user, u_debugreg[0]);
- addr = addr >> 2;
- tmp = child->thread.arch.debugregs[addr];
- }
- return put_user(tmp, (unsigned long *) data);
-}
-
-struct i387_fxsave_struct {
- unsigned short cwd;
- unsigned short swd;
- unsigned short twd;
- unsigned short fop;
- long fip;
- long fcs;
- long foo;
- long fos;
- long mxcsr;
- long reserved;
- long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
- long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
- long padding[56];
-};
-
-/*
- * FPU tag word conversions.
- */
-
-static inline unsigned short twd_i387_to_fxsr( unsigned short twd )
-{
- unsigned int tmp; /* to avoid 16 bit prefixes in the code */
-
- /* Transform each pair of bits into 01 (valid) or 00 (empty) */
- tmp = ~twd;
- tmp = (tmp | (tmp>>1)) & 0x5555; /* 0V0V0V0V0V0V0V0V */
- /* and move the valid bits to the lower byte. */
- tmp = (tmp | (tmp >> 1)) & 0x3333; /* 00VV00VV00VV00VV */
- tmp = (tmp | (tmp >> 2)) & 0x0f0f; /* 0000VVVV0000VVVV */
- tmp = (tmp | (tmp >> 4)) & 0x00ff; /* 00000000VVVVVVVV */
- return tmp;
-}
-
-static inline unsigned long twd_fxsr_to_i387( struct i387_fxsave_struct *fxsave )
-{
- struct _fpxreg *st = NULL;
- unsigned long twd = (unsigned long) fxsave->twd;
- unsigned long tag;
- unsigned long ret = 0xffff0000;
- int i;
-
-#define FPREG_ADDR(f, n) ((char *)&(f)->st_space + (n) * 16);
-
- for ( i = 0 ; i < 8 ; i++ ) {
- if ( twd & 0x1 ) {
- st = (struct _fpxreg *) FPREG_ADDR( fxsave, i );
-
- switch ( st->exponent & 0x7fff ) {
- case 0x7fff:
- tag = 2; /* Special */
- break;
- case 0x0000:
- if ( !st->significand[0] &&
- !st->significand[1] &&
- !st->significand[2] &&
- !st->significand[3] ) {
- tag = 1; /* Zero */
- } else {
- tag = 2; /* Special */
- }
- break;
- default:
- if ( st->significand[3] & 0x8000 ) {
- tag = 0; /* Valid */
- } else {
- tag = 2; /* Special */
- }
- break;
- }
- } else {
- tag = 3; /* Empty */
- }
- ret |= (tag << (2 * i));
- twd = twd >> 1;
- }
- return ret;
-}
-
-/*
- * FXSR floating point environment conversions.
- */
-
-#ifdef CONFIG_MODE_TT
-static inline int convert_fxsr_to_user_tt(struct _fpstate __user *buf,
- struct pt_regs *regs)
-{
- struct i387_fxsave_struct *fxsave = SC_FXSR_ENV(PT_REGS_SC(regs));
- unsigned long env[7];
- struct _fpreg __user *to;
- struct _fpxreg *from;
- int i;
-
- env[0] = (unsigned long)fxsave->cwd | 0xffff0000;
- env[1] = (unsigned long)fxsave->swd | 0xffff0000;
- env[2] = twd_fxsr_to_i387(fxsave);
- env[3] = fxsave->fip;
- env[4] = fxsave->fcs | ((unsigned long)fxsave->fop << 16);
- env[5] = fxsave->foo;
- env[6] = fxsave->fos;
-
- if ( __copy_to_user( buf, env, 7 * sizeof(unsigned long) ) )
- return 1;
-
- to = &buf->_st[0];
- from = (struct _fpxreg *) &fxsave->st_space[0];
- for ( i = 0 ; i < 8 ; i++, to++, from++ ) {
- if ( __copy_to_user( to, from, sizeof(*to) ) )
- return 1;
- }
- return 0;
-}
-#endif
-
-static inline int convert_fxsr_to_user(struct _fpstate __user *buf,
- struct pt_regs *regs)
-{
- return(CHOOSE_MODE(convert_fxsr_to_user_tt(buf, regs), 0));
-}
-
-#ifdef CONFIG_MODE_TT
-static inline int convert_fxsr_from_user_tt(struct pt_regs *regs,
- struct _fpstate __user *buf)
-{
- struct i387_fxsave_struct *fxsave = SC_FXSR_ENV(PT_REGS_SC(regs));
- unsigned long env[7];
- struct _fpxreg *to;
- struct _fpreg __user *from;
- int i;
-
- if ( __copy_from_user( env, buf, 7 * sizeof(long) ) )
- return 1;
-
- fxsave->cwd = (unsigned short)(env[0] & 0xffff);
- fxsave->swd = (unsigned short)(env[1] & 0xffff);
- fxsave->twd = twd_i387_to_fxsr((unsigned short)(env[2] & 0xffff));
- fxsave->fip = env[3];
- fxsave->fop = (unsigned short)((env[4] & 0xffff0000) >> 16);
- fxsave->fcs = (env[4] & 0xffff);
- fxsave->foo = env[5];
- fxsave->fos = env[6];
-
- to = (struct _fpxreg *) &fxsave->st_space[0];
- from = &buf->_st[0];
- for ( i = 0 ; i < 8 ; i++, to++, from++ ) {
- if ( __copy_from_user( to, from, sizeof(*from) ) )
- return 1;
- }
- return 0;
-}
-#endif
-
-static inline int convert_fxsr_from_user(struct pt_regs *regs,
- struct _fpstate __user *buf)
-{
- return(CHOOSE_MODE(convert_fxsr_from_user_tt(regs, buf), 0));
-}
-
-int get_fpregs(unsigned long buf, struct task_struct *child)
-{
- int err;
-
- err = convert_fxsr_to_user((struct _fpstate __user *) buf,
- &child->thread.regs);
- if(err) return(-EFAULT);
- else return(0);
-}
-
-int set_fpregs(unsigned long buf, struct task_struct *child)
-{
- int err;
-
- err = convert_fxsr_from_user(&child->thread.regs,
- (struct _fpstate __user *) buf);
- if(err) return(-EFAULT);
- else return(0);
-}
-
-#ifdef CONFIG_MODE_TT
-int get_fpxregs_tt(unsigned long buf, struct task_struct *tsk)
-{
- struct pt_regs *regs = &tsk->thread.regs;
- struct i387_fxsave_struct *fxsave = SC_FXSR_ENV(PT_REGS_SC(regs));
- int err;
-
- err = __copy_to_user((void __user *) buf, fxsave,
- sizeof(struct user_fxsr_struct));
- if(err) return -EFAULT;
- else return 0;
-}
-#endif
-
-int get_fpxregs(unsigned long buf, struct task_struct *tsk)
-{
- return(CHOOSE_MODE(get_fpxregs_tt(buf, tsk), 0));
-}
-
-#ifdef CONFIG_MODE_TT
-int set_fpxregs_tt(unsigned long buf, struct task_struct *tsk)
-{
- struct pt_regs *regs = &tsk->thread.regs;
- struct i387_fxsave_struct *fxsave = SC_FXSR_ENV(PT_REGS_SC(regs));
- int err;
-
- err = __copy_from_user(fxsave, (void __user *) buf,
- sizeof(struct user_fxsr_struct) );
- if(err) return -EFAULT;
- else return 0;
-}
-#endif
-
-int set_fpxregs(unsigned long buf, struct task_struct *tsk)
-{
- return(CHOOSE_MODE(set_fpxregs_tt(buf, tsk), 0));
-}
-
-#ifdef notdef
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
-{
- fpu->cwd = (((SC_FP_CW(PT_REGS_SC(regs)) & 0xffff) << 16) |
- (SC_FP_SW(PT_REGS_SC(regs)) & 0xffff));
- fpu->swd = SC_FP_CSSEL(PT_REGS_SC(regs)) & 0xffff;
- fpu->twd = SC_FP_IPOFF(PT_REGS_SC(regs));
- fpu->fip = SC_FP_CSSEL(PT_REGS_SC(regs)) & 0xffff;
- fpu->fcs = SC_FP_DATAOFF(PT_REGS_SC(regs));
- fpu->foo = SC_FP_DATASEL(PT_REGS_SC(regs));
- fpu->fos = 0;
- memcpy(fpu->st_space, (void *) SC_FP_ST(PT_REGS_SC(regs)),
- sizeof(fpu->st_space));
- return(1);
-}
-#endif
-
-#ifdef CONFIG_MODE_TT
-static inline void copy_fpu_fxsave_tt(struct pt_regs *regs,
- struct user_i387_struct *buf)
-{
- struct i387_fxsave_struct *fpu = SC_FXSR_ENV(PT_REGS_SC(regs));
- unsigned short *to;
- unsigned short *from;
- int i;
-
- memcpy( buf, fpu, 7 * sizeof(long) );
-
- to = (unsigned short *) &buf->st_space[0];
- from = (unsigned short *) &fpu->st_space[0];
- for ( i = 0 ; i < 8 ; i++, to += 5, from += 8 ) {
- memcpy( to, from, 5 * sizeof(unsigned short) );
- }
-}
-#endif
-
-static inline void copy_fpu_fxsave(struct pt_regs *regs,
- struct user_i387_struct *buf)
-{
- (void) CHOOSE_MODE(copy_fpu_fxsave_tt(regs, buf), 0);
-}
-
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu )
-{
- copy_fpu_fxsave(regs, (struct user_i387_struct *) fpu);
- return(1);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/ptrace_user.c b/arch/um/sys-i386/ptrace_user.c
deleted file mode 100644
index 7c376c95de5..00000000000
--- a/arch/um/sys-i386/ptrace_user.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <linux/stddef.h>
-#include "ptrace_user.h"
-/* Grr, asm/user.h includes asm/ptrace.h, so has to follow ptrace_user.h */
-#include <asm/user.h>
-#include "kern_util.h"
-#include "sysdep/thread.h"
-#include "user.h"
-#include "os.h"
-
-int ptrace_getregs(long pid, unsigned long *regs_out)
-{
- if (ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0)
- return -errno;
- return 0;
-}
-
-int ptrace_setregs(long pid, unsigned long *regs)
-{
- if (ptrace(PTRACE_SETREGS, pid, 0, regs) < 0)
- return -errno;
- return 0;
-}
-
-int ptrace_getfpregs(long pid, unsigned long *regs)
-{
- if (ptrace(PTRACE_GETFPREGS, pid, 0, regs) < 0)
- return -errno;
- return 0;
-}
-
-int ptrace_setfpregs(long pid, unsigned long *regs)
-{
- if (ptrace(PTRACE_SETFPREGS, pid, 0, regs) < 0)
- return -errno;
- return 0;
-}
-
-static void write_debugregs(int pid, unsigned long *regs)
-{
- struct user *dummy;
- int nregs, i;
-
- dummy = NULL;
- nregs = sizeof(dummy->u_debugreg)/sizeof(dummy->u_debugreg[0]);
- for(i = 0; i < nregs; i++){
- if((i == 4) || (i == 5)) continue;
- if(ptrace(PTRACE_POKEUSR, pid, &dummy->u_debugreg[i],
- regs[i]) < 0)
- printk("write_debugregs - ptrace failed on "
- "register %d, value = 0x%x, errno = %d\n", i,
- regs[i], errno);
- }
-}
-
-static void read_debugregs(int pid, unsigned long *regs)
-{
- struct user *dummy;
- int nregs, i;
-
- dummy = NULL;
- nregs = sizeof(dummy->u_debugreg)/sizeof(dummy->u_debugreg[0]);
- for(i = 0; i < nregs; i++){
- regs[i] = ptrace(PTRACE_PEEKUSR, pid,
- &dummy->u_debugreg[i], 0);
- }
-}
-
-/* Accessed only by the tracing thread */
-static unsigned long kernel_debugregs[8] = { [ 0 ... 7 ] = 0 };
-static int debugregs_seq = 0;
-
-void arch_enter_kernel(void *task, int pid)
-{
- read_debugregs(pid, TASK_DEBUGREGS(task));
- write_debugregs(pid, kernel_debugregs);
-}
-
-void arch_leave_kernel(void *task, int pid)
-{
- read_debugregs(pid, kernel_debugregs);
- write_debugregs(pid, TASK_DEBUGREGS(task));
-}
-
-void ptrace_pokeuser(unsigned long addr, unsigned long data)
-{
- if((addr < offsetof(struct user, u_debugreg[0])) ||
- (addr > offsetof(struct user, u_debugreg[7])))
- return;
- addr -= offsetof(struct user, u_debugreg[0]);
- addr = addr >> 2;
- if(kernel_debugregs[addr] == data) return;
-
- kernel_debugregs[addr] = data;
- debugregs_seq++;
-}
-
-static void update_debugregs_cb(void *arg)
-{
- int pid = *((int *) arg);
-
- write_debugregs(pid, kernel_debugregs);
-}
-
-void update_debugregs(int seq)
-{
- int me;
-
- if(seq == debugregs_seq) return;
-
- me = os_getpid();
- initial_thread_cb(update_debugregs_cb, &me);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/sigcontext.c b/arch/um/sys-i386/sigcontext.c
deleted file mode 100644
index 467d489c31c..00000000000
--- a/arch/um/sys-i386/sigcontext.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <stddef.h>
-#include <string.h>
-#include <asm/ptrace.h>
-#include <asm/sigcontext.h>
-#include "sysdep/ptrace.h"
-#include "kern_util.h"
-
-void sc_to_sc(void *to_ptr, void *from_ptr)
-{
- struct sigcontext *to = to_ptr, *from = from_ptr;
-
- memcpy(to, from, sizeof(*to) + sizeof(struct _fpstate));
- if(from->fpstate != NULL)
- to->fpstate = (struct _fpstate *) (to + 1);
-}
-
-unsigned long *sc_sigmask(void *sc_ptr)
-{
- struct sigcontext *sc = sc_ptr;
- return &sc->oldmask;
-}
-
-int sc_get_fpregs(unsigned long buf, void *sc_ptr)
-{
- struct sigcontext *sc = sc_ptr;
- struct _fpstate *from = sc->fpstate, *to = (struct _fpstate *) buf;
- int err = 0;
-
- if(from == NULL){
- err |= clear_user_proc(&to->cw, sizeof(to->cw));
- err |= clear_user_proc(&to->sw, sizeof(to->sw));
- err |= clear_user_proc(&to->tag, sizeof(to->tag));
- err |= clear_user_proc(&to->ipoff, sizeof(to->ipoff));
- err |= clear_user_proc(&to->cssel, sizeof(to->cssel));
- err |= clear_user_proc(&to->dataoff, sizeof(to->dataoff));
- err |= clear_user_proc(&to->datasel, sizeof(to->datasel));
- err |= clear_user_proc(&to->_st, sizeof(to->_st));
- }
- else {
- err |= copy_to_user_proc(&to->cw, &from->cw, sizeof(to->cw));
- err |= copy_to_user_proc(&to->sw, &from->sw, sizeof(to->sw));
- err |= copy_to_user_proc(&to->tag, &from->tag,
- sizeof(to->tag));
- err |= copy_to_user_proc(&to->ipoff, &from->ipoff,
- sizeof(to->ipoff));
- err |= copy_to_user_proc(&to->cssel,& from->cssel,
- sizeof(to->cssel));
- err |= copy_to_user_proc(&to->dataoff, &from->dataoff,
- sizeof(to->dataoff));
- err |= copy_to_user_proc(&to->datasel, &from->datasel,
- sizeof(to->datasel));
- err |= copy_to_user_proc(to->_st, from->_st, sizeof(to->_st));
- }
- return(err);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
deleted file mode 100644
index 16bc19928b3..00000000000
--- a/arch/um/sys-i386/signal.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
- * Licensed under the GPL
- */
-
-#include "linux/signal.h"
-#include "linux/ptrace.h"
-#include "asm/current.h"
-#include "asm/ucontext.h"
-#include "asm/uaccess.h"
-#include "asm/unistd.h"
-#include "frame_kern.h"
-#include "signal_user.h"
-#include "sigcontext.h"
-#include "registers.h"
-#include "mode.h"
-
-#ifdef CONFIG_MODE_SKAS
-
-#include "skas.h"
-
-static int copy_sc_from_user_skas(struct pt_regs *regs,
- struct sigcontext *from)
-{
- struct sigcontext sc;
- unsigned long fpregs[HOST_FP_SIZE];
- int err;
-
- err = copy_from_user(&sc, from, sizeof(sc));
- err |= copy_from_user(fpregs, sc.fpstate, sizeof(fpregs));
- if(err)
- return(err);
-
- REGS_GS(regs->regs.skas.regs) = sc.gs;
- REGS_FS(regs->regs.skas.regs) = sc.fs;
- REGS_ES(regs->regs.skas.regs) = sc.es;
- REGS_DS(regs->regs.skas.regs) = sc.ds;
- REGS_EDI(regs->regs.skas.regs) = sc.edi;
- REGS_ESI(regs->regs.skas.regs) = sc.esi;
- REGS_EBP(regs->regs.skas.regs) = sc.ebp;
- REGS_SP(regs->regs.skas.regs) = sc.esp;
- REGS_EBX(regs->regs.skas.regs) = sc.ebx;
- REGS_EDX(regs->regs.skas.regs) = sc.edx;
- REGS_ECX(regs->regs.skas.regs) = sc.ecx;
- REGS_EAX(regs->regs.skas.regs) = sc.eax;
- REGS_IP(regs->regs.skas.regs) = sc.eip;
- REGS_CS(regs->regs.skas.regs) = sc.cs;
- REGS_EFLAGS(regs->regs.skas.regs) = sc.eflags;
- REGS_SS(regs->regs.skas.regs) = sc.ss;
-
- err = restore_fp_registers(userspace_pid[0], fpregs);
- if(err < 0){
- printk("copy_sc_from_user_skas - PTRACE_SETFPREGS failed, "
- "errno = %d\n", err);
- return(1);
- }
-
- return(0);
-}
-
-int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp,
- struct pt_regs *regs)
-{
- struct sigcontext sc;
- unsigned long fpregs[HOST_FP_SIZE];
- struct faultinfo * fi = &current->thread.arch.faultinfo;
- int err;
-
- sc.gs = REGS_GS(regs->regs.skas.regs);
- sc.fs = REGS_FS(regs->regs.skas.regs);
- sc.es = REGS_ES(regs->regs.skas.regs);
- sc.ds = REGS_DS(regs->regs.skas.regs);
- sc.edi = REGS_EDI(regs->regs.skas.regs);
- sc.esi = REGS_ESI(regs->regs.skas.regs);
- sc.ebp = REGS_EBP(regs->regs.skas.regs);
- sc.esp = REGS_SP(regs->regs.skas.regs);
- sc.ebx = REGS_EBX(regs->regs.skas.regs);
- sc.edx = REGS_EDX(regs->regs.skas.regs);
- sc.ecx = REGS_ECX(regs->regs.skas.regs);
- sc.eax = REGS_EAX(regs->regs.skas.regs);
- sc.eip = REGS_IP(regs->regs.skas.regs);
- sc.cs = REGS_CS(regs->regs.skas.regs);
- sc.eflags = REGS_EFLAGS(regs->regs.skas.regs);
- sc.esp_at_signal = regs->regs.skas.regs[UESP];
- sc.ss = regs->regs.skas.regs[SS];
- sc.cr2 = fi->cr2;
- sc.err = fi->error_code;
- sc.trapno = fi->trap_no;
-
- err = save_fp_registers(userspace_pid[0], fpregs);
- if(err < 0){
- printk("copy_sc_to_user_skas - PTRACE_GETFPREGS failed, "
- "errno = %d\n", err);
- return(1);
- }
- to_fp = (to_fp ? to_fp : (struct _fpstate *) (to + 1));
- sc.fpstate = to_fp;
-
- if(err)
- return(err);
-
- return(copy_to_user(to, &sc, sizeof(sc)) ||
- copy_to_user(to_fp, fpregs, sizeof(fpregs)));
-}
-#endif
-
-#ifdef CONFIG_MODE_TT
-
-/* These copy a sigcontext to/from userspace. They copy the fpstate pointer,
- * blowing away the old, good one. So, that value is saved, and then restored
- * after the sigcontext copy. In copy_from, the variable holding the saved
- * fpstate pointer, and the sigcontext that it should be restored to are both
- * in the kernel, so we can just restore using an assignment. In copy_to, the
- * saved pointer is in the kernel, but the sigcontext is in userspace, so we
- * copy_to_user it.
- */
-int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from,
- int fpsize)
-{
- struct _fpstate *to_fp, *from_fp;
- unsigned long sigs;
- int err;
-
- to_fp = to->fpstate;
- sigs = to->oldmask;
- err = copy_from_user(to, from, sizeof(*to));
- from_fp = to->fpstate;
- to->oldmask = sigs;
- to->fpstate = to_fp;
- if(to_fp != NULL)
- err |= copy_from_user(to_fp, from_fp, fpsize);
- return(err);
-}
-
-int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate *fp,
- struct sigcontext *from, int fpsize)
-{
- struct _fpstate *to_fp, *from_fp;
- int err;
-
- to_fp = (fp ? fp : (struct _fpstate *) (to + 1));
- from_fp = from->fpstate;
- err = copy_to_user(to, from, sizeof(*to));
- if(from_fp != NULL){
- err |= copy_to_user(&to->fpstate, &to_fp, sizeof(to->fpstate));
- err |= copy_to_user(to_fp, from_fp, fpsize);
- }
- return(err);
-}
-#endif
-
-static int copy_sc_from_user(struct pt_regs *to, void __user *from)
-{
- int ret;
-
- ret = CHOOSE_MODE(copy_sc_from_user_tt(UPT_SC(&to->regs), from,
- sizeof(struct _fpstate)),
- copy_sc_from_user_skas(to, from));
- return(ret);
-}
-
-static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp,
- struct pt_regs *from)
-{
- return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs),
- sizeof(*fp)),
- copy_sc_to_user_skas(to, fp, from)));
-}
-
-static int copy_ucontext_to_user(struct ucontext *uc, struct _fpstate *fp,
- sigset_t *set, unsigned long sp)
-{
- int err = 0;
-
- err |= put_user(current->sas_ss_sp, &uc->uc_stack.ss_sp);
- err |= put_user(sas_ss_flags(sp), &uc->uc_stack.ss_flags);
- err |= put_user(current->sas_ss_size, &uc->uc_stack.ss_size);
- err |= copy_sc_to_user(&uc->uc_mcontext, fp, &current->thread.regs);
- err |= copy_to_user(&uc->uc_sigmask, set, sizeof(*set));
- return(err);
-}
-
-struct sigframe
-{
- char *pretcode;
- int sig;
- struct sigcontext sc;
- struct _fpstate fpstate;
- unsigned long extramask[_NSIG_WORDS-1];
- char retcode[8];
-};
-
-struct rt_sigframe
-{
- char *pretcode;
- int sig;
- struct siginfo *pinfo;
- void *puc;
- struct siginfo info;
- struct ucontext uc;
- struct _fpstate fpstate;
- char retcode[8];
-};
-
-int setup_signal_stack_sc(unsigned long stack_top, int sig,
- struct k_sigaction *ka, struct pt_regs *regs,
- sigset_t *mask)
-{
- struct sigframe __user *frame;
- void *restorer;
- int err = 0;
-
- stack_top &= -8UL;
- frame = (struct sigframe *) stack_top - 1;
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- return 1;
-
- restorer = (void *) frame->retcode;
- if(ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
-
- err |= __put_user(restorer, &frame->pretcode);
- err |= __put_user(sig, &frame->sig);
- err |= copy_sc_to_user(&frame->sc, NULL, regs);
- err |= __put_user(mask->sig[0], &frame->sc.oldmask);
- if (_NSIG_WORDS > 1)
- err |= __copy_to_user(&frame->extramask, &mask->sig[1],
- sizeof(frame->extramask));
-
- /*
- * This is popl %eax ; movl $,%eax ; int $0x80
- *
- * WE DO NOT USE IT ANY MORE! It's only left here for historical
- * reasons and because gdb uses it as a signature to notice
- * signal handler stack frames.
- */
- err |= __put_user(0xb858, (short __user *)(frame->retcode+0));
- err |= __put_user(__NR_sigreturn, (int __user *)(frame->retcode+2));
- err |= __put_user(0x80cd, (short __user *)(frame->retcode+6));
-
- if(err)
- return(err);
-
- PT_REGS_SP(regs) = (unsigned long) frame;
- PT_REGS_IP(regs) = (unsigned long) ka->sa.sa_handler;
- PT_REGS_EAX(regs) = (unsigned long) sig;
- PT_REGS_EDX(regs) = (unsigned long) 0;
- PT_REGS_ECX(regs) = (unsigned long) 0;
-
- if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
- ptrace_notify(SIGTRAP);
- return(0);
-}
-
-int setup_signal_stack_si(unsigned long stack_top, int sig,
- struct k_sigaction *ka, struct pt_regs *regs,
- siginfo_t *info, sigset_t *mask)
-{
- struct rt_sigframe __user *frame;
- void *restorer;
- int err = 0;
-
- stack_top &= -8UL;
- frame = (struct rt_sigframe *) stack_top - 1;
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- return 1;
-
- restorer = (void *) frame->retcode;
- if(ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
-
- err |= __put_user(restorer, &frame->pretcode);
- err |= __put_user(sig, &frame->sig);
- err |= __put_user(&frame->info, &frame->pinfo);
- err |= __put_user(&frame->uc, &frame->puc);
- err |= copy_siginfo_to_user(&frame->info, info);
- err |= copy_ucontext_to_user(&frame->uc, &frame->fpstate, mask,
- PT_REGS_SP(regs));
-
- /*
- * This is movl $,%eax ; int $0x80
- *
- * WE DO NOT USE IT ANY MORE! It's only left here for historical
- * reasons and because gdb uses it as a signature to notice
- * signal handler stack frames.
- */
- err |= __put_user(0xb8, (char __user *)(frame->retcode+0));
- err |= __put_user(__NR_rt_sigreturn, (int __user *)(frame->retcode+1));
- err |= __put_user(0x80cd, (short __user *)(frame->retcode+5));
-
- if(err)
- return(err);
-
- PT_REGS_SP(regs) = (unsigned long) frame;
- PT_REGS_IP(regs) = (unsigned long) ka->sa.sa_handler;
- PT_REGS_EAX(regs) = (unsigned long) sig;
- PT_REGS_EDX(regs) = (unsigned long) &frame->info;
- PT_REGS_ECX(regs) = (unsigned long) &frame->uc;
-
- if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
- ptrace_notify(SIGTRAP);
- return(0);
-}
-
-long sys_sigreturn(struct pt_regs regs)
-{
- unsigned long sp = PT_REGS_SP(&current->thread.regs);
- struct sigframe __user *frame = (struct sigframe *)(sp - 8);
- sigset_t set;
- struct sigcontext __user *sc = &frame->sc;
- unsigned long __user *oldmask = &sc->oldmask;
- unsigned long __user *extramask = frame->extramask;
- int sig_size = (_NSIG_WORDS - 1) * sizeof(unsigned long);
-
- if(copy_from_user(&set.sig[0], oldmask, sizeof(set.sig[0])) ||
- copy_from_user(&set.sig[1], extramask, sig_size))
- goto segfault;
-
- sigdelsetmask(&set, ~_BLOCKABLE);
-
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- if(copy_sc_from_user(&current->thread.regs, sc))
- goto segfault;
-
- /* Avoid ERESTART handling */
- PT_REGS_SYSCALL_NR(&current->thread.regs) = -1;
- return(PT_REGS_SYSCALL_RET(&current->thread.regs));
-
- segfault:
- force_sig(SIGSEGV, current);
- return 0;
-}
-
-long sys_rt_sigreturn(struct pt_regs regs)
-{
- unsigned long __user sp = PT_REGS_SP(&current->thread.regs);
- struct rt_sigframe __user *frame = (struct rt_sigframe *) (sp - 4);
- sigset_t set;
- struct ucontext __user *uc = &frame->uc;
- int sig_size = _NSIG_WORDS * sizeof(unsigned long);
-
- if(copy_from_user(&set, &uc->uc_sigmask, sig_size))
- goto segfault;
-
- sigdelsetmask(&set, ~_BLOCKABLE);
-
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- if(copy_sc_from_user(&current->thread.regs, &uc->uc_mcontext))
- goto segfault;
-
- /* Avoid ERESTART handling */
- PT_REGS_SYSCALL_NR(&current->thread.regs) = -1;
- return(PT_REGS_SYSCALL_RET(&current->thread.regs));
-
- segfault:
- force_sig(SIGSEGV, current);
- return 0;
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/stub.S b/arch/um/sys-i386/stub.S
deleted file mode 100644
index 6a70d9ab5c2..00000000000
--- a/arch/um/sys-i386/stub.S
+++ /dev/null
@@ -1,51 +0,0 @@
-#include "uml-config.h"
-
- .globl syscall_stub
-.section .__syscall_stub, "x"
-
- .globl batch_syscall_stub
-batch_syscall_stub:
- /* load pointer to first operation */
- mov $(UML_CONFIG_STUB_DATA+8), %esp
-
-again:
- /* load length of additional data */
- mov 0x0(%esp), %eax
-
- /* if(length == 0) : end of list */
- /* write possible 0 to header */
- mov %eax, UML_CONFIG_STUB_DATA+4
- cmpl $0, %eax
- jz done
-
- /* save current pointer */
- mov %esp, UML_CONFIG_STUB_DATA+4
-
- /* skip additional data */
- add %eax, %esp
-
- /* load syscall-# */
- pop %eax
-
- /* load syscall params */
- pop %ebx
- pop %ecx
- pop %edx
- pop %esi
- pop %edi
- pop %ebp
-
- /* execute syscall */
- int $0x80
-
- /* check return value */
- pop %ebx
- cmp %ebx, %eax
- je again
-
-done:
- /* save return value */
- mov %eax, UML_CONFIG_STUB_DATA
-
- /* stop */
- int3
diff --git a/arch/um/sys-i386/stub_segv.c b/arch/um/sys-i386/stub_segv.c
deleted file mode 100644
index 1e88b275eda..00000000000
--- a/arch/um/sys-i386/stub_segv.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
- * Licensed under the GPL
- */
-
-#include <asm/signal.h>
-#include <asm/unistd.h>
-#include "uml-config.h"
-#include "sysdep/sigcontext.h"
-#include "sysdep/faultinfo.h"
-
-void __attribute__ ((__section__ (".__syscall_stub")))
-stub_segv_handler(int sig)
-{
- struct sigcontext *sc = (struct sigcontext *) (&sig + 1);
-
- GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA),
- sc);
-
- __asm__("movl %0, %%eax ; int $0x80": : "g" (__NR_getpid));
- __asm__("movl %%eax, %%ebx ; movl %0, %%eax ; movl %1, %%ecx ;"
- "int $0x80": : "g" (__NR_kill), "g" (SIGUSR1));
- /* Load pointer to sigcontext into esp, since we need to leave
- * the stack in its original form when we do the sigreturn here, by
- * hand.
- */
- __asm__("mov %0,%%esp ; movl %1, %%eax ; "
- "int $0x80" : : "a" (sc), "g" (__NR_sigreturn));
-}
diff --git a/arch/um/sys-i386/sys_call_table.S b/arch/um/sys-i386/sys_call_table.S
deleted file mode 100644
index ad75c27afe3..00000000000
--- a/arch/um/sys-i386/sys_call_table.S
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <linux/linkage.h>
-/* Steal i386 syscall table for our purposes, but with some slight changes.*/
-
-#define sys_iopl sys_ni_syscall
-#define sys_ioperm sys_ni_syscall
-
-#define sys_vm86old sys_ni_syscall
-#define sys_vm86 sys_ni_syscall
-#define sys_set_thread_area sys_ni_syscall
-#define sys_get_thread_area sys_ni_syscall
-
-#define sys_stime um_stime
-#define sys_time um_time
-#define old_mmap old_mmap_i386
-
-#include "../../i386/kernel/syscall_table.S"
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
deleted file mode 100644
index 83e9be820a8..00000000000
--- a/arch/um/sys-i386/syscalls.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
- * Licensed under the GPL
- */
-
-#include "linux/sched.h"
-#include "linux/shm.h"
-#include "asm/ipc.h"
-#include "asm/mman.h"
-#include "asm/uaccess.h"
-#include "asm/unistd.h"
-
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/i386 didn't use to be able to handle more than
- * 4 system call parameters, so these system calls used a memory
- * block for parameter passing..
- */
-
-struct mmap_arg_struct {
- unsigned long addr;
- unsigned long len;
- unsigned long prot;
- unsigned long flags;
- unsigned long fd;
- unsigned long offset;
-};
-
-extern int old_mmap(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long offset);
-
-long old_mmap_i386(struct mmap_arg_struct __user *arg)
-{
- struct mmap_arg_struct a;
- int err = -EFAULT;
-
- if (copy_from_user(&a, arg, sizeof(a)))
- goto out;
-
- err = old_mmap(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
- out:
- return err;
-}
-
-struct sel_arg_struct {
- unsigned long n;
- fd_set __user *inp;
- fd_set __user *outp;
- fd_set __user *exp;
- struct timeval __user *tvp;
-};
-
-long old_select(struct sel_arg_struct __user *arg)
-{
- struct sel_arg_struct a;
-
- if (copy_from_user(&a, arg, sizeof(a)))
- return -EFAULT;
- /* sys_select() does the appropriate kernel locking */
- return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/* The i386 version skips reading from %esi, the fourth argument. So we must do
- * this, too.
- */
-long sys_clone(unsigned long clone_flags, unsigned long newsp,
- int __user *parent_tid, int unused, int __user *child_tid)
-{
- long ret;
-
- if (!newsp)
- newsp = UPT_SP(&current->thread.regs.regs);
- current->thread.forking = 1;
- ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
- child_tid);
- current->thread.forking = 0;
- return(ret);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-long sys_ipc (uint call, int first, int second,
- int third, void __user *ptr, long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- switch (call) {
- case SEMOP:
- return sys_semtimedop(first, (struct sembuf *) ptr, second,
- NULL);
- case SEMTIMEDOP:
- return sys_semtimedop(first, (struct sembuf *) ptr, second,
- (const struct timespec *) fifth);
- case SEMGET:
- return sys_semget (first, second, third);
- case SEMCTL: {
- union semun fourth;
- if (!ptr)
- return -EINVAL;
- if (get_user(fourth.__pad, (void **) ptr))
- return -EFAULT;
- return sys_semctl (first, second, third, fourth);
- }
-
- case MSGSND:
- return sys_msgsnd (first, (struct msgbuf *) ptr,
- second, third);
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
- if (!ptr)
- return -EINVAL;
-
- if (copy_from_user(&tmp,
- (struct ipc_kludge *) ptr,
- sizeof (tmp)))
- return -EFAULT;
- return sys_msgrcv (first, tmp.msgp, second,
- tmp.msgtyp, third);
- }
- default:
- panic("msgrcv with version != 0");
- return sys_msgrcv (first,
- (struct msgbuf *) ptr,
- second, fifth, third);
- }
- case MSGGET:
- return sys_msgget ((key_t) first, second);
- case MSGCTL:
- return sys_msgctl (first, second, (struct msqid_ds *) ptr);
-
- case SHMAT:
- switch (version) {
- default: {
- ulong raddr;
- ret = do_shmat (first, (char *) ptr, second, &raddr);
- if (ret)
- return ret;
- return put_user (raddr, (ulong *) third);
- }
- case 1: /* iBCS2 emulator entry point */
- if (!segment_eq(get_fs(), get_ds()))
- return -EINVAL;
- return do_shmat (first, (char *) ptr, second, (ulong *) third);
- }
- case SHMDT:
- return sys_shmdt ((char *)ptr);
- case SHMGET:
- return sys_shmget (first, second, third);
- case SHMCTL:
- return sys_shmctl (first, second,
- (struct shmid_ds *) ptr);
- default:
- return -ENOSYS;
- }
-}
-
-long sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
- if (act) {
- old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
- __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
- return -EFAULT;
- __get_user(new_ka.sa.sa_flags, &act->sa_flags);
- __get_user(mask, &act->sa_mask);
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
- return -EFAULT;
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
- }
-
- return ret;
-}
diff --git a/arch/um/sys-i386/sysrq.c b/arch/um/sys-i386/sysrq.c
deleted file mode 100644
index d5244f07053..00000000000
--- a/arch/um/sys-i386/sysrq.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (C) 2001 - 2003 Jeff Dike (jdike@addtoit.com)
- * Licensed under the GPL
- */
-
-#include "linux/config.h"
-#include "linux/kernel.h"
-#include "linux/smp.h"
-#include "linux/sched.h"
-#include "linux/kallsyms.h"
-#include "asm/ptrace.h"
-#include "sysrq.h"
-
-/* This is declared by <linux/sched.h> */
-void show_regs(struct pt_regs *regs)
-{
- printk("\n");
- printk("EIP: %04lx:[<%08lx>] CPU: %d %s",
- 0xffff & PT_REGS_CS(regs), PT_REGS_IP(regs),
- smp_processor_id(), print_tainted());
- if (PT_REGS_CS(regs) & 3)
- printk(" ESP: %04lx:%08lx", 0xffff & PT_REGS_SS(regs),
- PT_REGS_SP(regs));
- printk(" EFLAGS: %08lx\n %s\n", PT_REGS_EFLAGS(regs),
- print_tainted());
- printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
- PT_REGS_EAX(regs), PT_REGS_EBX(regs),
- PT_REGS_ECX(regs),
- PT_REGS_EDX(regs));
- printk("ESI: %08lx EDI: %08lx EBP: %08lx",
- PT_REGS_ESI(regs), PT_REGS_EDI(regs),
- PT_REGS_EBP(regs));
- printk(" DS: %04lx ES: %04lx\n",
- 0xffff & PT_REGS_DS(regs),
- 0xffff & PT_REGS_ES(regs));
-
- show_trace(NULL, (unsigned long *) &regs);
-}
-
-/* Copied from i386. */
-static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
-{
- return p > (void *)tinfo &&
- p < (void *)tinfo + THREAD_SIZE - 3;
-}
-
-/* Adapted from i386 (we also print the address we read from). */
-static inline unsigned long print_context_stack(struct thread_info *tinfo,
- unsigned long *stack, unsigned long ebp)
-{
- unsigned long addr;
-
-#ifdef CONFIG_FRAME_POINTER
- while (valid_stack_ptr(tinfo, (void *)ebp)) {
- addr = *(unsigned long *)(ebp + 4);
- printk("%08lx: [<%08lx>]", ebp + 4, addr);
- print_symbol(" %s", addr);
- printk("\n");
- ebp = *(unsigned long *)ebp;
- }
-#else
- while (valid_stack_ptr(tinfo, stack)) {
- addr = *stack;
- if (__kernel_text_address(addr)) {
- printk("%08lx: [<%08lx>]", (unsigned long) stack, addr);
- print_symbol(" %s", addr);
- printk("\n");
- }
- stack++;
- }
-#endif
- return ebp;
-}
-
-void show_trace(struct task_struct* task, unsigned long * stack)
-{
- unsigned long ebp;
- struct thread_info *context;
-
- /* Turn this into BUG_ON if possible. */
- if (!stack) {
- stack = (unsigned long*) &stack;
- printk("show_trace: got NULL stack, implicit assumption task == current");
- WARN_ON(1);
- }
-
- if (!task)
- task = current;
-
- if (task != current) {
- ebp = (unsigned long) KSTK_EBP(task);
- } else {
- asm ("movl %%ebp, %0" : "=r" (ebp) : );
- }
-
- context = (struct thread_info *)
- ((unsigned long)stack & (~(THREAD_SIZE - 1)));
- print_context_stack(context, stack, ebp);
-
- printk("\n");
-}
-
diff --git a/arch/um/sys-i386/unmap.c b/arch/um/sys-i386/unmap.c
deleted file mode 100644
index 1b0ad0e4adc..00000000000
--- a/arch/um/sys-i386/unmap.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <linux/mman.h>
-#include <asm/unistd.h>
-
-static int errno;
-
-static inline _syscall2(int,munmap,void *,start,size_t,len)
-static inline _syscall6(void *,mmap2,void *,addr,size_t,len,int,prot,int,flags,int,fd,off_t,offset)
-int switcheroo(int fd, int prot, void *from, void *to, int size)
-{
- if(munmap(to, size) < 0){
- return(-1);
- }
- if(mmap2(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1 ){
- return(-1);
- }
- if(munmap(from, size) < 0){
- return(-1);
- }
- return(0);
-}
diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c
deleted file mode 100644
index 26b68675053..00000000000
--- a/arch/um/sys-i386/user-offsets.c
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <stdio.h>
-#include <signal.h>
-#include <asm/ptrace.h>
-#include <asm/user.h>
-#include <linux/stddef.h>
-
-#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
-
-#define DEFINE_LONGS(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
-
-#define OFFSET(sym, str, mem) \
- DEFINE(sym, offsetof(struct str, mem));
-
-void foo(void)
-{
- OFFSET(HOST_SC_IP, sigcontext, eip);
- OFFSET(HOST_SC_SP, sigcontext, esp);
- OFFSET(HOST_SC_FS, sigcontext, fs);
- OFFSET(HOST_SC_GS, sigcontext, gs);
- OFFSET(HOST_SC_DS, sigcontext, ds);
- OFFSET(HOST_SC_ES, sigcontext, es);
- OFFSET(HOST_SC_SS, sigcontext, ss);
- OFFSET(HOST_SC_CS, sigcontext, cs);
- OFFSET(HOST_SC_EFLAGS, sigcontext, eflags);
- OFFSET(HOST_SC_EAX, sigcontext, eax);
- OFFSET(HOST_SC_EBX, sigcontext, ebx);
- OFFSET(HOST_SC_ECX, sigcontext, ecx);
- OFFSET(HOST_SC_EDX, sigcontext, edx);
- OFFSET(HOST_SC_EDI, sigcontext, edi);
- OFFSET(HOST_SC_ESI, sigcontext, esi);
- OFFSET(HOST_SC_EBP, sigcontext, ebp);
- OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
- OFFSET(HOST_SC_ERR, sigcontext, err);
- OFFSET(HOST_SC_CR2, sigcontext, cr2);
- OFFSET(HOST_SC_FPSTATE, sigcontext, fpstate);
- OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask);
- OFFSET(HOST_SC_FP_CW, _fpstate, cw);
- OFFSET(HOST_SC_FP_SW, _fpstate, sw);
- OFFSET(HOST_SC_FP_TAG, _fpstate, tag);
- OFFSET(HOST_SC_FP_IPOFF, _fpstate, ipoff);
- OFFSET(HOST_SC_FP_CSSEL, _fpstate, cssel);
- OFFSET(HOST_SC_FP_DATAOFF, _fpstate, dataoff);
- OFFSET(HOST_SC_FP_DATASEL, _fpstate, datasel);
- OFFSET(HOST_SC_FP_ST, _fpstate, _st);
- OFFSET(HOST_SC_FXSR_ENV, _fpstate, _fxsr_env);
-
- DEFINE(HOST_FRAME_SIZE, FRAME_SIZE);
- DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_i387_struct));
- DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fxsr_struct));
-
- DEFINE(HOST_IP, EIP);
- DEFINE(HOST_SP, UESP);
- DEFINE(HOST_EFLAGS, EFL);
- DEFINE(HOST_EAX, EAX);
- DEFINE(HOST_EBX, EBX);
- DEFINE(HOST_ECX, ECX);
- DEFINE(HOST_EDX, EDX);
- DEFINE(HOST_ESI, ESI);
- DEFINE(HOST_EDI, EDI);
- DEFINE(HOST_EBP, EBP);
- DEFINE(HOST_CS, CS);
- DEFINE(HOST_SS, SS);
- DEFINE(HOST_DS, DS);
- DEFINE(HOST_FS, FS);
- DEFINE(HOST_ES, ES);
- DEFINE(HOST_GS, GS);
- DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 22:06:01 +0000