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| author | Len Brown <len.brown@intel.com> | 2008-10-23 05:57:26 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-23 06:11:07 +0200 |
| commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
| tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /include/asm-x86/ptrace.h | |
| parent | panasonic-laptop: fix build (diff) | |
| parent | binfmt_elf_fdpic: Update for cputime changes. (diff) | |
| download | linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.zip | |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/asm-x86/ptrace.h')
| -rw-r--r-- | include/asm-x86/ptrace.h | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index 8a71db803da6..a2025525a15a 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PTRACE_H -#define _ASM_X86_PTRACE_H +#ifndef ASM_X86__PTRACE_H +#define ASM_X86__PTRACE_H #include <linux/compiler.h> /* For __user */ #include <asm/ptrace-abi.h> @@ -127,26 +127,59 @@ struct pt_regs { #endif /* __KERNEL__ */ #endif /* !__i386__ */ + +#ifdef CONFIG_X86_PTRACE_BTS +/* a branch trace record entry + * + * In order to unify the interface between various processor versions, + * we use the below data structure for all processors. + */ +enum bts_qualifier { + BTS_INVALID = 0, + BTS_BRANCH, + BTS_TASK_ARRIVES, + BTS_TASK_DEPARTS +}; + +struct bts_struct { + __u64 qualifier; + union { + /* BTS_BRANCH */ + struct { + __u64 from_ip; + __u64 to_ip; + } lbr; + /* BTS_TASK_ARRIVES or + BTS_TASK_DEPARTS */ + __u64 jiffies; + } variant; +}; +#endif /* CONFIG_X86_PTRACE_BTS */ + #ifdef __KERNEL__ -/* the DS BTS struct is used for ptrace as well */ -#include <asm/ds.h> +#include <linux/init.h> +struct cpuinfo_x86; struct task_struct; +#ifdef CONFIG_X86_PTRACE_BTS +extern void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *); extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier); +#else +#define ptrace_bts_init_intel(config) do {} while (0) +#endif /* CONFIG_X86_PTRACE_BTS */ extern unsigned long profile_pc(struct pt_regs *regs); extern unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs); - -#ifdef CONFIG_X86_32 extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, - int error_code); -#else + int error_code, int si_code); void signal_fault(struct pt_regs *regs, void __user *frame, char *where); -#endif + +extern long syscall_trace_enter(struct pt_regs *); +extern void syscall_trace_leave(struct pt_regs *); static inline unsigned long regs_return_value(struct pt_regs *regs) { @@ -213,6 +246,11 @@ static inline unsigned long frame_pointer(struct pt_regs *regs) return regs->bp; } +static inline unsigned long user_stack_pointer(struct pt_regs *regs) +{ + return regs->sp; +} + /* * These are defined as per linux/ptrace.h, which see. */ @@ -239,4 +277,4 @@ extern int do_set_thread_area(struct task_struct *p, int idx, #endif /* !__ASSEMBLY__ */ -#endif +#endif /* ASM_X86__PTRACE_H */ |