diff options
Diffstat (limited to 'arch/x86/um')
42 files changed, 296 insertions, 624 deletions
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig index 9926e11a772..ed56a1c4ae7 100644 --- a/arch/x86/um/Kconfig +++ b/arch/x86/um/Kconfig @@ -21,20 +21,30 @@ config 64BIT config X86_32 def_bool !64BIT select HAVE_AOUT + select ARCH_WANT_IPC_PARSE_VERSION + select MODULES_USE_ELF_REL + select CLONE_BACKWARDS + select OLD_SIGSUSPEND3 + select OLD_SIGACTION config X86_64 def_bool 64BIT + select MODULES_USE_ELF_RELA + +config ARCH_DEFCONFIG + string + default "arch/um/configs/i386_defconfig" if X86_32 + default "arch/um/configs/x86_64_defconfig" if X86_64 config RWSEM_XCHGADD_ALGORITHM - def_bool X86_XADD && 64BIT + def_bool 64BIT config RWSEM_GENERIC_SPINLOCK def_bool !RWSEM_XCHGADD_ALGORITHM config 3_LEVEL_PGTABLES - bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT + bool "Three-level pagetables" if !64BIT default 64BIT - depends on EXPERIMENTAL help Three-level pagetables will let UML have more than 4G of physical memory. All the memory that can't be mapped directly will be treated diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile index 5d065b2222d..eafa324eb7a 100644 --- a/arch/x86/um/Makefile +++ b/arch/x86/um/Makefile @@ -10,7 +10,7 @@ endif obj-y = bug.o bugs_$(BITS).o delay.o fault.o ksyms.o ldt.o \ ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal.o \ - stub_$(BITS).o stub_segv.o syscalls_$(BITS).o \ + stub_$(BITS).o stub_segv.o \ sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o \ mem_$(BITS).o subarch.o os-$(OS)/ @@ -25,7 +25,7 @@ subarch-$(CONFIG_HIGHMEM) += ../mm/highmem_32.o else -obj-y += vdso/ +obj-y += syscalls_64.o vdso/ subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../lib/thunk_64.o \ ../lib/rwsem.o diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 7d01b8c56c0..cc04e67bfd0 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -40,11 +40,7 @@ #define smp_rmb() barrier() #endif /* CONFIG_X86_PPRO_FENCE */ -#ifdef CONFIG_X86_OOSTORE -#define smp_wmb() wmb() -#else /* CONFIG_X86_OOSTORE */ #define smp_wmb() barrier() -#endif /* CONFIG_X86_OOSTORE */ #define smp_read_barrier_depends() read_barrier_depends() #define set_mb(var, value) do { (void)xchg(&var, value); } while (0) diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h index b6efe2381b5..4b181b74454 100644 --- a/arch/x86/um/asm/checksum.h +++ b/arch/x86/um/asm/checksum.h @@ -1,6 +1,150 @@ #ifndef __UM_CHECKSUM_H #define __UM_CHECKSUM_H +#include <linux/string.h> +#include <linux/in6.h> + +/* + * computes the checksum of a memory block at buff, length len, + * and adds in "sum" (32-bit) + * + * returns a 32-bit number suitable for feeding into itself + * or csum_tcpudp_magic + * + * this function must be called with even lengths, except + * for the last fragment, which may be odd + * + * it's best to have buff aligned on a 32-bit boundary + */ +extern __wsum csum_partial(const void *buff, int len, __wsum sum); + +/* + * Note: when you get a NULL pointer exception here this means someone + * passed in an incorrect kernel address to one of these functions. + * + * If you use these functions directly please don't forget the + * access_ok(). + */ + +static __inline__ +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum) +{ + memcpy(dst, src, len); + return csum_partial(dst, len, sum); +} + +/* + * the same as csum_partial, but copies from src while it + * checksums, and handles user-space pointer exceptions correctly, when needed. + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ + +static __inline__ +__wsum csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *err_ptr) +{ + if (copy_from_user(dst, src, len)) { + *err_ptr = -EFAULT; + return (__force __wsum)-1; + } + + return csum_partial(dst, len, sum); +} + +/** + * csum_fold - Fold and invert a 32bit checksum. + * sum: 32bit unfolded sum + * + * Fold a 32bit running checksum to 16bit and invert it. This is usually + * the last step before putting a checksum into a packet. + * Make sure not to mix with 64bit checksums. + */ +static inline __sum16 csum_fold(__wsum sum) +{ + __asm__( + " addl %1,%0\n" + " adcl $0xffff,%0" + : "=r" (sum) + : "r" ((__force u32)sum << 16), + "0" ((__force u32)sum & 0xffff0000) + ); + return (__force __sum16)(~(__force u32)sum >> 16); +} + +/** + * csum_tcpup_nofold - Compute an IPv4 pseudo header checksum. + * @saddr: source address + * @daddr: destination address + * @len: length of packet + * @proto: ip protocol of packet + * @sum: initial sum to be added in (32bit unfolded) + * + * Returns the pseudo header checksum the input data. Result is + * 32bit unfolded. + */ +static inline __wsum +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum) +{ + asm(" addl %1, %0\n" + " adcl %2, %0\n" + " adcl %3, %0\n" + " adcl $0, %0\n" + : "=r" (sum) + : "g" (daddr), "g" (saddr), "g" ((len + proto) << 8), "0" (sum)); + return sum; +} + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, + unsigned short len, + unsigned short proto, + __wsum sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); +} + +/** + * ip_fast_csum - Compute the IPv4 header checksum efficiently. + * iph: ipv4 header + * ihl: length of header / 4 + */ +static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) +{ + unsigned int sum; + + asm( " movl (%1), %0\n" + " subl $4, %2\n" + " jbe 2f\n" + " addl 4(%1), %0\n" + " adcl 8(%1), %0\n" + " adcl 12(%1), %0\n" + "1: adcl 16(%1), %0\n" + " lea 4(%1), %1\n" + " decl %2\n" + " jne 1b\n" + " adcl $0, %0\n" + " movl %0, %2\n" + " shrl $16, %0\n" + " addw %w2, %w0\n" + " adcl $0, %0\n" + " notl %0\n" + "2:" + /* Since the input registers which are loaded with iph and ipl + are modified, we must also specify them as outputs, or gcc + will assume they contain their original values. */ + : "=r" (sum), "=r" (iph), "=r" (ihl) + : "1" (iph), "2" (ihl) + : "memory"); + return (__force __sum16)sum; +} + #ifdef CONFIG_X86_32 # include "checksum_32.h" #else diff --git a/arch/x86/um/asm/checksum_32.h b/arch/x86/um/asm/checksum_32.h index caab74252e2..ab77b6f9a4b 100644 --- a/arch/x86/um/asm/checksum_32.h +++ b/arch/x86/um/asm/checksum_32.h @@ -5,145 +5,6 @@ #ifndef __UM_SYSDEP_CHECKSUM_H #define __UM_SYSDEP_CHECKSUM_H -#include "linux/in6.h" -#include "linux/string.h" - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -__wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. - * - * If you use these functions directly please don't forget the - * access_ok(). - */ - -static __inline__ -__wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} - -/* - * the same as csum_partial, but copies from src while it - * checksums, and handles user-space pointer exceptions correctly, when needed. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ - -static __inline__ -__wsum csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *err_ptr) -{ - if (copy_from_user(dst, src, len)) { - *err_ptr = -EFAULT; - return (__force __wsum)-1; - } - - return csum_partial(dst, len, sum); -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - * By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by - * Arnt Gulbrandsen. - */ -static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - unsigned int sum; - - __asm__ __volatile__( - "movl (%1), %0 ;\n" - "subl $4, %2 ;\n" - "jbe 2f ;\n" - "addl 4(%1), %0 ;\n" - "adcl 8(%1), %0 ;\n" - "adcl 12(%1), %0 ;\n" -"1: adcl 16(%1), %0 ;\n" - "lea 4(%1), %1 ;\n" - "decl %2 ;\n" - "jne 1b ;\n" - "adcl $0, %0 ;\n" - "movl %0, %2 ;\n" - "shrl $16, %0 ;\n" - "addw %w2, %w0 ;\n" - "adcl $0, %0 ;\n" - "notl %0 ;\n" -"2: ;\n" - /* Since the input registers which are loaded with iph and ipl - are modified, we must also specify them as outputs, or gcc - will assume they contain their original values. */ - : "=r" (sum), "=r" (iph), "=r" (ihl) - : "1" (iph), "2" (ihl) - : "memory"); - return (__force __sum16)sum; -} - -/* - * Fold a partial checksum - */ - -static inline __sum16 csum_fold(__wsum sum) -{ - __asm__( - "addl %1, %0 ;\n" - "adcl $0xffff, %0 ;\n" - : "=r" (sum) - : "r" ((__force u32)sum << 16), - "0" ((__force u32)sum & 0xffff0000) - ); - return (__force __sum16)(~(__force u32)sum >> 16); -} - -static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) -{ - __asm__( - "addl %1, %0 ;\n" - "adcl %2, %0 ;\n" - "adcl %3, %0 ;\n" - "adcl $0, %0 ;\n" - : "=r" (sum) - : "g" (daddr), "g"(saddr), "g"((len + proto) << 8), "0"(sum)); - return sum; -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ - static inline __sum16 ip_compute_csum(const void *buff, int len) { return csum_fold (csum_partial(buff, len, 0)); @@ -198,4 +59,3 @@ static __inline__ __wsum csum_and_copy_to_user(const void *src, } #endif - diff --git a/arch/x86/um/asm/checksum_64.h b/arch/x86/um/asm/checksum_64.h index a5be9031ea8..7b6cd192157 100644 --- a/arch/x86/um/asm/checksum_64.h +++ b/arch/x86/um/asm/checksum_64.h @@ -5,131 +5,6 @@ #ifndef __UM_SYSDEP_CHECKSUM_H #define __UM_SYSDEP_CHECKSUM_H -#include "linux/string.h" -#include "linux/in6.h" -#include "asm/uaccess.h" - -extern __wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. - * - * If you use these functions directly please don't forget the - * access_ok(). - */ - -static __inline__ -__wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum) -{ - memcpy(dst, src, len); - return(csum_partial(dst, len, sum)); -} - -static __inline__ -__wsum csum_partial_copy_from_user(const void __user *src, - void *dst, int len, __wsum sum, - int *err_ptr) -{ - if (copy_from_user(dst, src, len)) { - *err_ptr = -EFAULT; - return (__force __wsum)-1; - } - return csum_partial(dst, len, sum); -} - -/** - * csum_fold - Fold and invert a 32bit checksum. - * sum: 32bit unfolded sum - * - * Fold a 32bit running checksum to 16bit and invert it. This is usually - * the last step before putting a checksum into a packet. - * Make sure not to mix with 64bit checksums. - */ -static inline __sum16 csum_fold(__wsum sum) -{ - __asm__( - " addl %1,%0\n" - " adcl $0xffff,%0" - : "=r" (sum) - : "r" ((__force u32)sum << 16), - "0" ((__force u32)sum & 0xffff0000) - ); - return (__force __sum16)(~(__force u32)sum >> 16); -} - -/** - * csum_tcpup_nofold - Compute an IPv4 pseudo header checksum. - * @saddr: source address - * @daddr: destination address - * @len: length of packet - * @proto: ip protocol of packet - * @sum: initial sum to be added in (32bit unfolded) - * - * Returns the pseudo header checksum the input data. Result is - * 32bit unfolded. - */ -static inline __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) -{ - asm(" addl %1, %0\n" - " adcl %2, %0\n" - " adcl %3, %0\n" - " adcl $0, %0\n" - : "=r" (sum) - : "g" (daddr), "g" (saddr), "g" ((len + proto) << 8), "0" (sum)); - return sum; -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/** - * ip_fast_csum - Compute the IPv4 header checksum efficiently. - * iph: ipv4 header - * ihl: length of header / 4 - */ -static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - unsigned int sum; - - asm( " movl (%1), %0\n" - " subl $4, %2\n" - " jbe 2f\n" - " addl 4(%1), %0\n" - " adcl 8(%1), %0\n" - " adcl 12(%1), %0\n" - "1: adcl 16(%1), %0\n" - " lea 4(%1), %1\n" - " decl %2\n" - " jne 1b\n" - " adcl $0, %0\n" - " movl %0, %2\n" - " shrl $16, %0\n" - " addw %w2, %w0\n" - " adcl $0, %0\n" - " notl %0\n" - "2:" - /* Since the input registers which are loaded with iph and ipl - are modified, we must also specify them as outputs, or gcc - will assume they contain their original values. */ - : "=r" (sum), "=r" (iph), "=r" (ihl) - : "1" (iph), "2" (ihl) - : "memory"); - return (__force __sum16)sum; -} - static inline unsigned add32_with_carry(unsigned a, unsigned b) { asm("addl %2,%0\n\t" diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h index 0e07adc8cbe..0feee2fd507 100644 --- a/arch/x86/um/asm/elf.h +++ b/arch/x86/um/asm/elf.h @@ -6,7 +6,7 @@ #define __UM_ELF_X86_H #include <asm/user.h> -#include "skas.h" +#include <skas.h> #ifdef CONFIG_X86_32 diff --git a/arch/x86/um/asm/processor_32.h b/arch/x86/um/asm/processor_32.h index 6c6689e574c..c112de81c9e 100644 --- a/arch/x86/um/asm/processor_32.h +++ b/arch/x86/um/asm/processor_32.h @@ -33,6 +33,8 @@ struct arch_thread { .faultinfo = { 0, 0, 0 } \ } +#define STACKSLOTS_PER_LINE 8 + static inline void arch_flush_thread(struct arch_thread *thread) { /* Clear any TLS still hanging */ @@ -53,4 +55,7 @@ static inline void arch_copy_thread(struct arch_thread *from, #define current_text_addr() \ ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) +#define current_sp() ({ void *sp; __asm__("movl %%esp, %0" : "=r" (sp) : ); sp; }) +#define current_bp() ({ unsigned long bp; __asm__("movl %%ebp, %0" : "=r" (bp) : ); bp; }) + #endif diff --git a/arch/x86/um/asm/processor_64.h b/arch/x86/um/asm/processor_64.h index 4b02a8455bd..c3be85205a6 100644 --- a/arch/x86/um/asm/processor_64.h +++ b/arch/x86/um/asm/processor_64.h @@ -19,6 +19,8 @@ struct arch_thread { .fs = 0, \ .faultinfo = { 0, 0, 0 } } +#define STACKSLOTS_PER_LINE 4 + static inline void arch_flush_thread(struct arch_thread *thread) { } @@ -32,4 +34,7 @@ static inline void arch_copy_thread(struct arch_thread *from, #define current_text_addr() \ ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) +#define current_sp() ({ void *sp; __asm__("movq %%rsp, %0" : "=r" (sp) : ); sp; }) +#define current_bp() ({ unsigned long bp; __asm__("movq %%rbp, %0" : "=r" (bp) : ); bp; }) + #endif diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h index 950dfb7b841..54f8102ccde 100644 --- a/arch/x86/um/asm/ptrace.h +++ b/arch/x86/um/asm/ptrace.h @@ -1,11 +1,13 @@ #ifndef __UM_X86_PTRACE_H #define __UM_X86_PTRACE_H -#ifdef CONFIG_X86_32 -# include "ptrace_32.h" -#else -# include "ptrace_64.h" +#include <linux/compiler.h> +#ifndef CONFIG_X86_32 +#define __FRAME_OFFSETS /* Needed to get the R* macros */ #endif +#include <asm/ptrace-generic.h> + +#define user_mode(r) UPT_IS_USER(&(r)->regs) #define PT_REGS_AX(r) UPT_AX(&(r)->regs) #define PT_REGS_BX(r) UPT_BX(&(r)->regs) @@ -30,10 +32,59 @@ #define profile_pc(regs) PT_REGS_IP(regs) #define UPT_RESTART_SYSCALL(r) (UPT_IP(r) -= 2) -#define UPT_SET_SYSCALL_RETURN(r, res) (UPT_AX(r) = (res)) +#define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res)) -static inline long regs_return_value(struct uml_pt_regs *regs) +static inline long regs_return_value(struct pt_regs *regs) { - return UPT_AX(regs); + return PT_REGS_AX(regs); } + +/* + * Forward declaration to avoid including sysdep/tls.h, which causes a + * circular include, and compilation failures. + */ +struct user_desc; + +#ifdef CONFIG_X86_32 + +#define HOST_AUDIT_ARCH AUDIT_ARCH_I386 + +extern int ptrace_get_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc); + +extern int ptrace_set_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc); + +#else + +#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64 + +#define PT_REGS_R8(r) UPT_R8(&(r)->regs) +#define PT_REGS_R9(r) UPT_R9(&(r)->regs) +#define PT_REGS_R10(r) UPT_R10(&(r)->regs) +#define PT_REGS_R11(r) UPT_R11(&(r)->regs) +#define PT_REGS_R12(r) UPT_R12(&(r)->regs) +#define PT_REGS_R13(r) UPT_R13(&(r)->regs) +#define PT_REGS_R14(r) UPT_R14(&(r)->regs) +#define PT_REGS_R15(r) UPT_R15(&(r)->regs) + +#include <asm/errno.h> + +static inline int ptrace_get_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc) +{ + return -ENOSYS; +} + +static inline int ptrace_set_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc) +{ + return -ENOSYS; +} + +extern long arch_prctl(struct task_struct *task, int code, + unsigned long __user *addr); + +#endif +#define user_stack_pointer(regs) PT_REGS_SP(regs) #endif /* __UM_X86_PTRACE_H */ diff --git a/arch/x86/um/asm/ptrace_32.h b/arch/x86/um/asm/ptrace_32.h deleted file mode 100644 index 2cf225351b6..00000000000 --- a/arch/x86/um/asm/ptrace_32.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __UM_PTRACE_I386_H -#define __UM_PTRACE_I386_H - -#define HOST_AUDIT_ARCH AUDIT_ARCH_I386 - -#include "linux/compiler.h" -#include "asm/ptrace-generic.h" - -#define user_mode(r) UPT_IS_USER(&(r)->regs) - -/* - * Forward declaration to avoid including sysdep/tls.h, which causes a - * circular include, and compilation failures. - */ -struct user_desc; - -extern int ptrace_get_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc); - -extern int ptrace_set_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc); - -#endif diff --git a/arch/x86/um/asm/ptrace_64.h b/arch/x86/um/asm/ptrace_64.h deleted file mode 100644 index ea7bff39432..00000000000 --- a/arch/x86/um/asm/ptrace_64.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_PTRACE_X86_64_H -#define __UM_PTRACE_X86_64_H - -#include "linux/compiler.h" -#include "asm/errno.h" - -#define __FRAME_OFFSETS /* Needed to get the R* macros */ -#include "asm/ptrace-generic.h" - -#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64 - -#define PT_REGS_R8(r) UPT_R8(&(r)->regs) -#define PT_REGS_R9(r) UPT_R9(&(r)->regs) -#define PT_REGS_R10(r) UPT_R10(&(r)->regs) -#define PT_REGS_R11(r) UPT_R11(&(r)->regs) -#define PT_REGS_R12(r) UPT_R12(&(r)->regs) -#define PT_REGS_R13(r) UPT_R13(&(r)->regs) -#define PT_REGS_R14(r) UPT_R14(&(r)->regs) -#define PT_REGS_R15(r) UPT_R15(&(r)->regs) - -/* XXX */ -#define user_mode(r) UPT_IS_USER(&(r)->regs) - -struct user_desc; - -static inline int ptrace_get_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc) -{ - return -ENOSYS; -} - -static inline int ptrace_set_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc) -{ - return -ENOSYS; -} - -extern long arch_prctl(struct task_struct *task, int code, - unsigned long __user *addr); -#endif diff --git a/arch/x86/um/bugs_32.c b/arch/x86/um/bugs_32.c index 17d88cf2c6c..33daff4dade 100644 --- a/arch/x86/um/bugs_32.c +++ b/arch/x86/um/bugs_32.c @@ -4,9 +4,9 @@ */ #include <signal.h> -#include "kern_util.h" -#include "longjmp.h" -#include "sysdep/ptrace.h" +#include <kern_util.h> +#include <longjmp.h> +#include <sysdep/ptrace.h> #include <generated/asm-offsets.h> /* Set during early boot */ diff --git a/arch/x86/um/bugs_64.c b/arch/x86/um/bugs_64.c index 44e02ba2a26..8cc8256c698 100644 --- a/arch/x86/um/bugs_64.c +++ b/arch/x86/um/bugs_64.c @@ -4,7 +4,7 @@ * Licensed under the GPL */ -#include "sysdep/ptrace.h" +#include <sysdep/ptrace.h> void arch_check_bugs(void) { diff --git a/arch/x86/um/elfcore.c b/arch/x86/um/elfcore.c index 6bb49b687c9..7bb89a27a5e 100644 --- a/arch/x86/um/elfcore.c +++ b/arch/x86/um/elfcore.c @@ -11,8 +11,7 @@ Elf32_Half elf_core_extra_phdrs(void) return vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0; } -int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, - unsigned long limit) +int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset) { if ( vsyscall_ehdr ) { const struct elfhdr *const ehdrp = @@ -32,17 +31,14 @@ int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, phdr.p_offset += ofs; } phdr.p_paddr = 0; /* match other core phdrs */ - *size += sizeof(phdr); - if (*size > limit - || !dump_write(file, &phdr, sizeof(phdr))) + if (!dump_emit(cprm, &phdr, sizeof(phdr))) return 0; } } return 1; } -int elf_core_write_extra_data(struct file *file, size_t *size, - unsigned long limit) +int elf_core_write_extra_data(struct coredump_params *cprm) { if ( vsyscall_ehdr ) { const struct elfhdr *const ehdrp = @@ -55,10 +51,7 @@ int elf_core_write_extra_data(struct file *file, size_t *size, if (phdrp[i].p_type == PT_LOAD) { void *addr = (void *) phdrp[i].p_vaddr; size_t filesz = phdrp[i].p_filesz; - - *size += filesz; - if (*size > limit - || !dump_write(file, addr, filesz)) + if (!dump_emit(cprm, addr, filesz)) return 0; } } diff --git a/arch/x86/um/fault.c b/arch/x86/um/fault.c index d670f68532f..84ac7f7b025 100644 --- a/arch/x86/um/fault.c +++ b/arch/x86/um/fault.c @@ -3,7 +3,7 @@ * Licensed under the GPL */ -#include "sysdep/ptrace.h" +#include <sysdep/ptrace.h> /* These two are from asm-um/uaccess.h and linux/module.h, check them. */ struct exception_table_entry @@ -20,7 +20,7 @@ int arch_fixup(unsigned long address, struct uml_pt_regs *regs) const struct exception_table_entry *fixup; fixup = search_exception_tables(address); - if (fixup != 0) { + if (fixup) { UPT_IP(regs) = fixup->fixup; return 1; } diff --git a/arch/x86/um/ldt.c b/arch/x86/um/ldt.c index 26b0e39d2ce..8e08176f0bc 100644 --- a/arch/x86/um/ldt.c +++ b/arch/x86/um/ldt.c @@ -7,11 +7,11 @@ #include <linux/sched.h> #include <linux/slab.h> #include <asm/unistd.h> -#include "os.h" -#include "proc_mm.h" -#include "skas.h" -#include "skas_ptrace.h" -#include "sysdep/tls.h" +#include <os.h> +#include <proc_mm.h> +#include <skas.h> +#include <skas_ptrace.h> +#include <sysdep/tls.h> extern int modify_ldt(int func, void *ptr, unsigned long bytecount); diff --git a/arch/x86/um/mem_64.c b/arch/x86/um/mem_64.c index 546518727a7..c6492e75797 100644 --- a/arch/x86/um/mem_64.c +++ b/arch/x86/um/mem_64.c @@ -1,6 +1,6 @@ -#include "linux/mm.h" -#include "asm/page.h" -#include "asm/mman.h" +#include <linux/mm.h> +#include <asm/page.h> +#include <asm/mman.h> const char *arch_vma_name(struct vm_area_struct *vma) { diff --git a/arch/x86/um/os-Linux/prctl.c b/arch/x86/um/os-Linux/prctl.c index 9d34eddb517..96eb2bd2883 100644 --- a/arch/x86/um/os-Linux/prctl.c +++ b/arch/x86/um/os-Linux/prctl.c @@ -4,7 +4,7 @@ */ #include <sys/ptrace.h> -#include <linux/ptrace.h> +#include <asm/ptrace.h> int os_arch_prctl(int pid, int code, unsigned long *addr) { diff --git a/arch/x86/um/os-Linux/registers.c b/arch/x86/um/os-Linux/registers.c index 0cdbb86b012..41bfe84e11a 100644 --- a/arch/x86/um/os-Linux/registers.c +++ b/arch/x86/um/os-Linux/registers.c @@ -9,8 +9,8 @@ #ifdef __i386__ #include <sys/user.h> #endif -#include "longjmp.h" -#include "sysdep/ptrace_user.h" +#include <longjmp.h> +#include <sysdep/ptrace_user.h> int save_fp_registers(int pid, unsigned long *fp_regs) { diff --git a/arch/x86/um/os-Linux/task_size.c b/arch/x86/um/os-Linux/task_size.c index efb16c5c9bc..8502ad30e61 100644 --- a/arch/x86/um/os-Linux/task_size.c +++ b/arch/x86/um/os-Linux/task_size.c @@ -2,7 +2,7 @@ #include <stdlib.h> #include <signal.h> #include <sys/mman.h> -#include "longjmp.h" +#include <longjmp.h> #ifdef __i386__ diff --git a/arch/x86/um/os-Linux/tls.c b/arch/x86/um/os-Linux/tls.c index 82276b6071a..9d94b3b76c7 100644 --- a/arch/x86/um/os-Linux/tls.c +++ b/arch/x86/um/os-Linux/tls.c @@ -5,7 +5,7 @@ #include <sys/syscall.h> #include <unistd.h> -#include "sysdep/tls.h" +#include <sysdep/tls.h> #ifndef PTRACE_GET_THREAD_AREA #define PTRACE_GET_THREAD_AREA 25 diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c index 3b949daa095..ce3dd4f36f3 100644 --- a/arch/x86/um/ptrace_32.c +++ b/arch/x86/um/ptrace_32.c @@ -3,10 +3,10 @@ * Licensed under the GPL */ -#include "linux/mm.h" -#include "linux/sched.h" -#include "asm/uaccess.h" -#include "skas.h" +#include <linux/mm.h> +#include <linux/sched.h> +#include <asm/uaccess.h> +#include <skas.h> extern int arch_switch_tls(struct task_struct *to); diff --git a/arch/x86/um/ptrace_user.c b/arch/x86/um/ptrace_user.c index 3960ca1dd35..617885b1899 100644 --- a/arch/x86/um/ptrace_user.c +++ b/arch/x86/um/ptrace_user.c @@ -4,7 +4,7 @@ */ #include <errno.h> -#include "ptrace_user.h" +#include <ptrace_user.h> int ptrace_getregs(long pid, unsigned long *regs_out) { diff --git a/arch/x86/um/shared/sysdep/kernel-offsets.h b/arch/x86/um/shared/sysdep/kernel-offsets.h index 5868526b5ee..46a9df99f3c 100644 --- a/arch/x86/um/shared/sysdep/kernel-offsets.h +++ b/arch/x86/um/shared/sysdep/kernel-offsets.h @@ -7,9 +7,6 @@ #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) \ diff --git a/arch/x86/um/shared/sysdep/ptrace.h b/arch/x86/um/shared/sysdep/ptrace.h index 6ce2d76eb90..eb9356904ad 100644 --- a/arch/x86/um/shared/sysdep/ptrace.h +++ b/arch/x86/um/shared/sysdep/ptrace.h @@ -2,7 +2,7 @@ #define __SYSDEP_X86_PTRACE_H #include <generated/user_constants.h> -#include "sysdep/faultinfo.h" +#include <sysdep/faultinfo.h> #define MAX_REG_OFFSET (UM_FRAME_SIZE) #define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) diff --git a/arch/x86/um/shared/sysdep/stub.h b/arch/x86/um/shared/sysdep/stub.h index bd161e30010..3f55e5bd3ce 100644 --- a/arch/x86/um/shared/sysdep/stub.h +++ b/arch/x86/um/shared/sysdep/stub.h @@ -1,8 +1,8 @@ #include <asm/unistd.h> #include <sys/mman.h> #include <signal.h> -#include "as-layout.h" -#include "stub-data.h" +#include <as-layout.h> +#include <stub-data.h> #ifdef __i386__ #include "stub_32.h" diff --git a/arch/x86/um/shared/sysdep/syscalls_32.h b/arch/x86/um/shared/sysdep/syscalls_32.h index 05cb796aecb..68fd2cf526f 100644 --- a/arch/x86/um/shared/sysdep/syscalls_32.h +++ b/arch/x86/um/shared/sysdep/syscalls_32.h @@ -3,16 +3,11 @@ * Licensed under the GPL */ -#include "asm/unistd.h" -#include "sysdep/ptrace.h" +#include <asm/unistd.h> +#include <sysdep/ptrace.h> typedef long syscall_handler_t(struct pt_regs); -/* Not declared on x86, incompatible declarations on x86_64, so these have - * to go here rather than in sys_call_table.c - */ -extern syscall_handler_t sys_rt_sigaction; - extern syscall_handler_t *sys_call_table[]; #define EXECUTE_SYSCALL(syscall, regs) \ diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c index a508cea1350..5e04a1c899f 100644 --- a/arch/x86/um/signal.c +++ b/arch/x86/um/signal.c @@ -11,8 +11,8 @@ #include <asm/unistd.h> #include <asm/uaccess.h> #include <asm/ucontext.h> -#include "frame_kern.h" -#include "skas.h" +#include <frame_kern.h> +#include <skas.h> #ifdef CONFIG_X86_32 @@ -342,9 +342,7 @@ static int copy_ucontext_to_user(struct ucontext __user *uc, { 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 |= __save_altstack(&uc->uc_stack, sp); err |= copy_sc_to_user(&uc->uc_mcontext, fp, ¤t->thread.regs, 0); err |= copy_to_user(&uc->uc_sigmask, set, sizeof(*set)); return err; @@ -416,9 +414,6 @@ int setup_signal_stack_sc(unsigned long stack_top, int sig, PT_REGS_AX(regs) = (unsigned long) sig; PT_REGS_DX(regs) = (unsigned long) 0; PT_REGS_CX(regs) = (unsigned long) 0; - - if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED)) - ptrace_notify(SIGTRAP); return 0; } @@ -466,13 +461,10 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, PT_REGS_AX(regs) = (unsigned long) sig; PT_REGS_DX(regs) = (unsigned long) &frame->info; PT_REGS_CX(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) +long sys_sigreturn(void) { unsigned long sp = PT_REGS_SP(¤t->thread.regs); struct sigframe __user *frame = (struct sigframe __user *)(sp - 8); @@ -516,7 +508,6 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, { struct rt_sigframe __user *frame; int err = 0; - struct task_struct *me = current; frame = (struct rt_sigframe __user *) round_down(stack_top - sizeof(struct rt_sigframe), 16); @@ -535,10 +526,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user(me->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(PT_REGS_SP(regs)), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(me->sas_ss_size, &frame->uc.uc_stack.ss_size); + err |= __save_altstack(&frame->uc.uc_stack, PT_REGS_SP(regs)); err |= copy_sc_to_user(&frame->uc.uc_mcontext, &frame->fpstate, regs, set->sig[0]); err |= __put_user(&frame->fpstate, &frame->uc.uc_mcontext.fpstate); @@ -588,7 +576,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, } #endif -long sys_rt_sigreturn(struct pt_regs *regs) +long sys_rt_sigreturn(void) { unsigned long sp = PT_REGS_SP(¤t->thread.regs); struct rt_sigframe __user *frame = @@ -612,14 +600,3 @@ long sys_rt_sigreturn(struct pt_regs *regs) force_sig(SIGSEGV, current); return 0; } - -#ifdef CONFIG_X86_32 -long ptregs_sigreturn(void) -{ - return sys_sigreturn(NULL); -} -long ptregs_rt_sigreturn(void) -{ - return sys_rt_sigreturn(NULL); -} -#endif diff --git a/arch/x86/um/stub_32.S b/arch/x86/um/stub_32.S index 54a36ec20cb..b972649d3a1 100644 --- a/arch/x86/um/stub_32.S +++ b/arch/x86/um/stub_32.S @@ -1,4 +1,4 @@ -#include "as-layout.h" +#include <as-layout.h> .globl syscall_stub .section .__syscall_stub, "ax" diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S index 20e4a96a6dc..7160b20172d 100644 --- a/arch/x86/um/stub_64.S +++ b/arch/x86/um/stub_64.S @@ -1,4 +1,4 @@ -#include "as-layout.h" +#include <as-layout.h> .globl syscall_stub .section .__syscall_stub, "ax" diff --git a/arch/x86/um/stub_segv.c b/arch/x86/um/stub_segv.c index b7450bd22e7..1518d2805ae 100644 --- a/arch/x86/um/stub_segv.c +++ b/arch/x86/um/stub_segv.c @@ -3,9 +3,9 @@ * Licensed under the GPL */ -#include "sysdep/stub.h" -#include "sysdep/faultinfo.h" -#include "sysdep/mcontext.h" +#include <sysdep/stub.h> +#include <sysdep/faultinfo.h> +#include <sysdep/mcontext.h> void __attribute__ ((__section__ (".__syscall_stub"))) stub_segv_handler(int sig, siginfo_t *info, void *p) diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c index 68d1dc91b37..531d4269e2e 100644 --- a/arch/x86/um/sys_call_table_32.c +++ b/arch/x86/um/sys_call_table_32.c @@ -24,15 +24,6 @@ #define old_mmap sys_old_mmap -#define ptregs_fork sys_fork -#define ptregs_execve sys_execve -#define ptregs_iopl sys_iopl -#define ptregs_vm86old sys_vm86old -#define ptregs_clone sys_clone -#define ptregs_vm86 sys_vm86 -#define ptregs_sigaltstack sys_sigaltstack -#define ptregs_vfork sys_vfork - #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ; #include <asm/syscalls_32.h> diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c index 170bd926a69..f2f0723070c 100644 --- a/arch/x86/um/sys_call_table_64.c +++ b/arch/x86/um/sys_call_table_64.c @@ -31,7 +31,6 @@ #define stub_fork sys_fork #define stub_vfork sys_vfork #define stub_execve sys_execve -#define stub_sigaltstack sys_sigaltstack #define stub_rt_sigreturn sys_rt_sigreturn #define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat) diff --git a/arch/x86/um/syscalls_32.c b/arch/x86/um/syscalls_32.c deleted file mode 100644 index b853e8600b9..00000000000 --- a/arch/x86/um/syscalls_32.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#include "linux/sched.h" -#include "linux/shm.h" -#include "linux/ipc.h" -#include "linux/syscalls.h" -#include "asm/mman.h" -#include "asm/uaccess.h" -#include "asm/unistd.h" - -/* - * The prototype on i386 is: - * - * int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls, int * child_tidptr) - * - * and the "newtls" arg. on i386 is read by copy_thread directly from the - * register saved on the stack. - */ -long sys_clone(unsigned long clone_flags, unsigned long newsp, - int __user *parent_tid, void *newtls, int __user *child_tid) -{ - long ret; - - if (!newsp) - newsp = UPT_SP(¤t->thread.regs.regs); - - current->thread.forking = 1; - ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, - child_tid); - current->thread.forking = 0; - return ret; -} - -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) || - __get_user(new_ka.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - 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) || - __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c index f3d82bb6e15..adb08eb5c22 100644 --- a/arch/x86/um/syscalls_64.c +++ b/arch/x86/um/syscalls_64.c @@ -5,12 +5,9 @@ * Licensed under the GPL */ -#include "linux/linkage.h" -#include "linux/personality.h" -#include "linux/utsname.h" -#include "asm/prctl.h" /* XXX This should get the constants from libc */ -#include "asm/uaccess.h" -#include "os.h" +#include <linux/sched.h> +#include <asm/prctl.h> /* XXX This should get the constants from libc */ +#include <os.h> long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr) { @@ -79,20 +76,6 @@ long sys_arch_prctl(int code, unsigned long addr) return arch_prctl(current, code, (unsigned long __user *) addr); } -long sys_clone(unsigned long clone_flags, unsigned long newsp, - void __user *parent_tid, void __user *child_tid) -{ - long ret; - - if (!newsp) - newsp = UPT_SP(¤t->thread.regs.regs); - current->thread.forking = 1; - ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, - child_tid); - current->thread.forking = 0; - return ret; -} - void arch_switch_to(struct task_struct *to) { if ((to->thread.arch.fs == 0) || (to->mm == NULL)) diff --git a/arch/x86/um/sysrq_32.c b/arch/x86/um/sysrq_32.c index 2d5cc51e9be..16ee0e450e3 100644 --- a/arch/x86/um/sysrq_32.c +++ b/arch/x86/um/sysrq_32.c @@ -3,12 +3,12 @@ * Licensed under the GPL */ -#include "linux/kernel.h" -#include "linux/smp.h" -#include "linux/sched.h" -#include "linux/kallsyms.h" -#include "asm/ptrace.h" -#include "sysrq.h" +#include <linux/kernel.h> +#include <linux/smp.h> +#include <linux/sched.h> +#include <linux/kallsyms.h> +#include <asm/ptrace.h> +#include <asm/sysrq.h> /* This is declared by <linux/sched.h> */ void show_regs(struct pt_regs *regs) @@ -30,70 +30,4 @@ void show_regs(struct pt_regs *regs) printk(" DS: %04lx ES: %04lx\n", 0xffff & PT_REGS_DS(regs), 0xffff & PT_REGS_ES(regs)); - - show_trace(NULL, (unsigned long *) ®s); } - -/* 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/x86/um/sysrq_64.c b/arch/x86/um/sysrq_64.c index 08258f17996..38b4e4abd0f 100644 --- a/arch/x86/um/sysrq_64.c +++ b/arch/x86/um/sysrq_64.c @@ -10,9 +10,9 @@ #include <linux/utsname.h> #include <asm/current.h> #include <asm/ptrace.h> -#include "sysrq.h" +#include <asm/sysrq.h> -void __show_regs(struct pt_regs *regs) +void show_regs(struct pt_regs *regs) { printk("\n"); print_modules(); @@ -33,9 +33,3 @@ void __show_regs(struct pt_regs *regs) printk(KERN_INFO "R13: %016lx R14: %016lx R15: %016lx\n", PT_REGS_R13(regs), PT_REGS_R14(regs), PT_REGS_R15(regs)); } - -void show_regs(struct pt_regs *regs) -{ - __show_regs(regs); - show_trace(current, (unsigned long *) ®s); -} diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c index baba84f8ecb..80ffa5b9982 100644 --- a/arch/x86/um/tls_32.c +++ b/arch/x86/um/tls_32.c @@ -3,12 +3,13 @@ * Licensed under the GPL */ -#include "linux/percpu.h" -#include "linux/sched.h" -#include "asm/uaccess.h" -#include "os.h" -#include "skas.h" -#include "sysdep/tls.h" +#include <linux/percpu.h> +#include <linux/sched.h> +#include <linux/syscalls.h> +#include <asm/uaccess.h> +#include <os.h> +#include <skas.h> +#include <sysdep/tls.h> /* * If needed we can detect when it's uninitialized. @@ -274,7 +275,7 @@ clear: goto out; } -int sys_set_thread_area(struct user_desc __user *user_desc) +SYSCALL_DEFINE1(set_thread_area, struct user_desc __user *, user_desc) { struct user_desc info; int idx, ret; @@ -322,7 +323,7 @@ int ptrace_set_thread_area(struct task_struct *child, int idx, return set_tls_entry(child, &info, idx, 0); } -int sys_get_thread_area(struct user_desc __user *user_desc) +SYSCALL_DEFINE1(get_thread_area, struct user_desc __user *, user_desc) { struct user_desc info; int idx, ret; diff --git a/arch/x86/um/tls_64.c b/arch/x86/um/tls_64.c index f7ba46200ec..d22363cb854 100644 --- a/arch/x86/um/tls_64.c +++ b/arch/x86/um/tls_64.c @@ -1,4 +1,4 @@ -#include "linux/sched.h" +#include <linux/sched.h> void clear_flushed_tls(struct task_struct *task) { diff --git a/arch/x86/um/vdso/.gitignore b/arch/x86/um/vdso/.gitignore new file mode 100644 index 00000000000..9cac6d07219 --- /dev/null +++ b/arch/x86/um/vdso/.gitignore @@ -0,0 +1,2 @@ +vdso-syms.lds +vdso.lds diff --git a/arch/x86/um/vdso/vma.c b/arch/x86/um/vdso/vma.c index af91901babb..916cda4cd5b 100644 --- a/arch/x86/um/vdso/vma.c +++ b/arch/x86/um/vdso/vma.c @@ -12,7 +12,7 @@ #include <asm/page.h> #include <linux/init.h> -unsigned int __read_mostly vdso_enabled = 1; +static unsigned int __read_mostly vdso_enabled = 1; unsigned long um_vdso_addr; extern unsigned long task_size; |