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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-11-09 23:03:43 +0300 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-11-10 13:23:05 +0300 |
| commit | 9f6b3c2c30cfbb1166ce7e74a8f9fd93ae19d2de (patch) | |
| tree | 1144b1c516327765c7daacc6f4b23cc606a0c013 /arch/x86/include | |
| parent | 676c0dbe6e514fdd8e434a9e623c781aa9b40b15 (diff) | |
| download | linux-9f6b3c2c30cfbb1166ce7e74a8f9fd93ae19d2de.tar.xz | |
hw-breakpoints: Fix broken a.out format dump
Fix the broken a.out format dump. For now we only dump the ptrace
breakpoints.
TODO: Dump every perf breakpoints for the current thread, not only
ptrace based ones.
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K. Prasad" <prasad@linux.vnet.ibm.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/a.out-core.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/debugreg.h | 2 |
2 files changed, 4 insertions, 8 deletions
diff --git a/arch/x86/include/asm/a.out-core.h b/arch/x86/include/asm/a.out-core.h index fc4685dd6e4d..7a15588e45d4 100644 --- a/arch/x86/include/asm/a.out-core.h +++ b/arch/x86/include/asm/a.out-core.h @@ -17,6 +17,7 @@ #include <linux/user.h> #include <linux/elfcore.h> +#include <asm/debugreg.h> /* * fill in the user structure for an a.out core dump @@ -32,14 +33,7 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) >> PAGE_SHIFT; dump->u_dsize -= dump->u_tsize; dump->u_ssize = 0; - dump->u_debugreg[0] = current->thread.debugreg[0]; - dump->u_debugreg[1] = current->thread.debugreg[1]; - dump->u_debugreg[2] = current->thread.debugreg[2]; - dump->u_debugreg[3] = current->thread.debugreg[3]; - dump->u_debugreg[4] = 0; - dump->u_debugreg[5] = 0; - dump->u_debugreg[6] = current->thread.debugreg6; - dump->u_debugreg[7] = current->thread.debugreg7; + aout_dump_debugregs(dump); if (dump->start_stack < TASK_SIZE) dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack)) diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h index 9a3333c91f9a..f1b673f08239 100644 --- a/arch/x86/include/asm/debugreg.h +++ b/arch/x86/include/asm/debugreg.h @@ -89,6 +89,8 @@ static inline void hw_breakpoint_disable(void) set_debugreg(0UL, 3); } +extern void aout_dump_debugregs(struct user *dump); + #ifdef CONFIG_KVM extern void hw_breakpoint_restore(void); #endif |