diff options
Diffstat (limited to 'arch/m68k/kernel')
-rw-r--r-- | arch/m68k/kernel/asm-offsets.c | 39 | ||||
-rw-r--r-- | arch/m68k/kernel/entry.S | 22 | ||||
-rw-r--r-- | arch/m68k/kernel/vmlinux-std.lds | 10 | ||||
-rw-r--r-- | arch/m68k/kernel/vmlinux-sun3.lds | 9 |
4 files changed, 38 insertions, 42 deletions
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index b1f012f6c49..73e5e581245 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -8,6 +8,8 @@ * #defines from the assembly-language output. */ +#define ASM_OFFSETS_C + #include <linux/stddef.h> #include <linux/sched.h> #include <linux/kernel_stat.h> @@ -27,6 +29,9 @@ int main(void) DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); +#ifdef CONFIG_MMU + DEFINE(TASK_TINFO, offsetof(struct task_struct, thread.info)); +#endif /* offsets into the thread struct */ DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); @@ -44,20 +49,20 @@ int main(void) DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags)); /* offsets into the pt_regs */ - DEFINE(PT_D0, offsetof(struct pt_regs, d0)); - DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0)); - DEFINE(PT_D1, offsetof(struct pt_regs, d1)); - DEFINE(PT_D2, offsetof(struct pt_regs, d2)); - DEFINE(PT_D3, offsetof(struct pt_regs, d3)); - DEFINE(PT_D4, offsetof(struct pt_regs, d4)); - DEFINE(PT_D5, offsetof(struct pt_regs, d5)); - DEFINE(PT_A0, offsetof(struct pt_regs, a0)); - DEFINE(PT_A1, offsetof(struct pt_regs, a1)); - DEFINE(PT_A2, offsetof(struct pt_regs, a2)); - DEFINE(PT_PC, offsetof(struct pt_regs, pc)); - DEFINE(PT_SR, offsetof(struct pt_regs, sr)); + DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0)); + DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0)); + DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1)); + DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2)); + DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3)); + DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4)); + DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5)); + DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0)); + DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1)); + DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2)); + DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc)); + DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr)); /* bitfields are a bit difficult */ - DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4); + DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4); /* offsets into the irq_handler struct */ DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler)); @@ -84,10 +89,10 @@ int main(void) DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref)); /* signal defines */ - DEFINE(SIGSEGV, SIGSEGV); - DEFINE(SEGV_MAPERR, SEGV_MAPERR); - DEFINE(SIGTRAP, SIGTRAP); - DEFINE(TRAP_TRACE, TRAP_TRACE); + DEFINE(LSIGSEGV, SIGSEGV); + DEFINE(LSEGV_MAPERR, SEGV_MAPERR); + DEFINE(LSIGTRAP, SIGTRAP); + DEFINE(LTRAP_TRACE, TRAP_TRACE); /* offsets into the custom struct */ DEFINE(CUSTOMBASE, &amiga_custom); diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index c3735cd6207..922f52e7ed1 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -77,17 +77,17 @@ ENTRY(ret_from_fork) jra .Lret_from_exception do_trace_entry: - movel #-ENOSYS,%sp@(PT_D0) | needed for strace + movel #-ENOSYS,%sp@(PT_OFF_D0)| needed for strace subql #4,%sp SAVE_SWITCH_STACK jbsr syscall_trace RESTORE_SWITCH_STACK addql #4,%sp - movel %sp@(PT_ORIG_D0),%d0 + movel %sp@(PT_OFF_ORIG_D0),%d0 cmpl #NR_syscalls,%d0 jcs syscall badsys: - movel #-ENOSYS,%sp@(PT_D0) + movel #-ENOSYS,%sp@(PT_OFF_D0) jra ret_from_syscall do_trace_exit: @@ -103,7 +103,7 @@ ENTRY(ret_from_signal) addql #4,%sp /* on 68040 complete pending writebacks if any */ #ifdef CONFIG_M68040 - bfextu %sp@(PT_VECTOR){#0,#4},%d0 + bfextu %sp@(PT_OFF_FORMATVEC){#0,#4},%d0 subql #7,%d0 | bus error frame ? jbne 1f movel %sp,%sp@- @@ -127,7 +127,7 @@ ENTRY(system_call) jcc badsys syscall: jbsr @(sys_call_table,%d0:l:4)@(0) - movel %d0,%sp@(PT_D0) | save the return value + movel %d0,%sp@(PT_OFF_D0) | save the return value ret_from_syscall: |oriw #0x0700,%sr movew %curptr@(TASK_INFO+TINFO_FLAGS+2),%d0 @@ -135,7 +135,7 @@ ret_from_syscall: 1: RESTORE_ALL syscall_exit_work: - btst #5,%sp@(PT_SR) | check if returning to kernel + btst #5,%sp@(PT_OFF_SR) | check if returning to kernel bnes 1b | if so, skip resched, signals lslw #1,%d0 jcs do_trace_exit @@ -148,7 +148,7 @@ syscall_exit_work: ENTRY(ret_from_exception) .Lret_from_exception: - btst #5,%sp@(PT_SR) | check if returning to kernel + btst #5,%sp@(PT_OFF_SR) | check if returning to kernel bnes 1f | if so, skip resched, signals | only allow interrupts when we are really the last one on the | kernel stack, otherwise stack overflow can occur during @@ -182,7 +182,7 @@ do_signal_return: jbra resume_userspace do_delayed_trace: - bclr #7,%sp@(PT_SR) | clear trace bit in SR + bclr #7,%sp@(PT_OFF_SR) | clear trace bit in SR pea 1 | send SIGTRAP movel %curptr,%sp@- pea LSIGTRAP @@ -199,7 +199,7 @@ ENTRY(auto_inthandler) GET_CURRENT(%d0) addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | put exception # in d0 - bfextu %sp@(PT_VECTOR){#4,#10},%d0 + bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0 subw #VEC_SPUR,%d0 movel %sp,%sp@- @@ -216,7 +216,7 @@ ret_from_interrupt: ALIGN ret_from_last_interrupt: moveq #(~ALLOWINT>>8)&0xff,%d0 - andb %sp@(PT_SR),%d0 + andb %sp@(PT_OFF_SR),%d0 jne 2b /* check if we need to do software interrupts */ @@ -232,7 +232,7 @@ ENTRY(user_inthandler) GET_CURRENT(%d0) addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | put exception # in d0 - bfextu %sp@(PT_VECTOR){#4,#10},%d0 + bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0 user_irqvec_fixup = . + 2 subw #VEC_USER,%d0 diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index 01d212bb05a..47eac19e8f6 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -82,13 +82,6 @@ SECTIONS _end = . ; - /* Sections to be discarded */ - /DISCARD/ : { - EXIT_TEXT - EXIT_DATA - *(.exitcall.exit) - } - /* Stabs debugging sections. */ .stab 0 : { *(.stab) } .stabstr 0 : { *(.stabstr) } @@ -97,4 +90,7 @@ SECTIONS .stab.index 0 : { *(.stab.index) } .stab.indexstr 0 : { *(.stab.indexstr) } .comment 0 : { *(.comment) } + + /* Sections to be discarded */ + DISCARDS } diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds index c192f773db9..03efaf04d7d 100644 --- a/arch/m68k/kernel/vmlinux-sun3.lds +++ b/arch/m68k/kernel/vmlinux-sun3.lds @@ -77,13 +77,6 @@ __init_begin = .; _end = . ; - /* Sections to be discarded */ - /DISCARD/ : { - EXIT_TEXT - EXIT_DATA - *(.exitcall.exit) - } - .crap : { /* Stabs debugging sections. */ *(.stab) @@ -96,4 +89,6 @@ __init_begin = .; *(.note) } + /* Sections to be discarded */ + DISCARDS } |