kernel_optimize_test/arch/x86_64/kernel/asm-offsets.c
Andi Kleen 5f8efbb96f [PATCH] x86_64: Allow nesting of int3 by default for kprobes
This unbreaks recursive kprobes which didn't work anymore
due to an earlier patch which converted the debug entry point
to use an IST.

This also allows nesting of the debug entry point too.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-16 11:27:58 -08:00

73 lines
1.7 KiB
C

/*
* Generate definitions needed by assembly language modules.
* This code generates raw asm output which is post-processed to extract
* and format the required data.
*/
#include <linux/sched.h>
#include <linux/stddef.h>
#include <linux/errno.h>
#include <linux/hardirq.h>
#include <linux/suspend.h>
#include <asm/pda.h>
#include <asm/processor.h>
#include <asm/segment.h>
#include <asm/thread_info.h>
#include <asm/ia32.h>
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
#define BLANK() asm volatile("\n->" : : )
int main(void)
{
#define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))
ENTRY(state);
ENTRY(flags);
ENTRY(thread);
ENTRY(pid);
BLANK();
#undef ENTRY
#define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry))
ENTRY(flags);
ENTRY(addr_limit);
ENTRY(preempt_count);
ENTRY(status);
BLANK();
#undef ENTRY
#define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry))
ENTRY(kernelstack);
ENTRY(oldrsp);
ENTRY(pcurrent);
ENTRY(irqcount);
ENTRY(cpunumber);
ENTRY(irqstackptr);
ENTRY(data_offset);
BLANK();
#undef ENTRY
#ifdef CONFIG_IA32_EMULATION
#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
ENTRY(eax);
ENTRY(ebx);
ENTRY(ecx);
ENTRY(edx);
ENTRY(esi);
ENTRY(edi);
ENTRY(ebp);
ENTRY(esp);
ENTRY(eip);
BLANK();
#undef ENTRY
DEFINE(IA32_RT_SIGFRAME_sigcontext,
offsetof (struct rt_sigframe32, uc.uc_mcontext));
BLANK();
#endif
DEFINE(pbe_address, offsetof(struct pbe, address));
DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
DEFINE(pbe_next, offsetof(struct pbe, next));
BLANK();
DEFINE(TSS_ist, offsetof(struct tss_struct, ist));
return 0;
}