mirror of
https://github.com/torvalds/linux.git
synced 2024-12-16 08:02:17 +00:00
9f6b3c2c30
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>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* a.out coredump register dumper
|
|
*
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public Licence
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the Licence, or (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef _ASM_X86_A_OUT_CORE_H
|
|
#define _ASM_X86_A_OUT_CORE_H
|
|
|
|
#ifdef __KERNEL__
|
|
#ifdef CONFIG_X86_32
|
|
|
|
#include <linux/user.h>
|
|
#include <linux/elfcore.h>
|
|
#include <asm/debugreg.h>
|
|
|
|
/*
|
|
* fill in the user structure for an a.out core dump
|
|
*/
|
|
static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
|
|
{
|
|
/* changed the size calculations - should hopefully work better. lbt */
|
|
dump->magic = CMAGIC;
|
|
dump->start_code = 0;
|
|
dump->start_stack = regs->sp & ~(PAGE_SIZE - 1);
|
|
dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT;
|
|
dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1)))
|
|
>> PAGE_SHIFT;
|
|
dump->u_dsize -= dump->u_tsize;
|
|
dump->u_ssize = 0;
|
|
aout_dump_debugregs(dump);
|
|
|
|
if (dump->start_stack < TASK_SIZE)
|
|
dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack))
|
|
>> PAGE_SHIFT;
|
|
|
|
dump->regs.bx = regs->bx;
|
|
dump->regs.cx = regs->cx;
|
|
dump->regs.dx = regs->dx;
|
|
dump->regs.si = regs->si;
|
|
dump->regs.di = regs->di;
|
|
dump->regs.bp = regs->bp;
|
|
dump->regs.ax = regs->ax;
|
|
dump->regs.ds = (u16)regs->ds;
|
|
dump->regs.es = (u16)regs->es;
|
|
dump->regs.fs = (u16)regs->fs;
|
|
dump->regs.gs = get_user_gs(regs);
|
|
dump->regs.orig_ax = regs->orig_ax;
|
|
dump->regs.ip = regs->ip;
|
|
dump->regs.cs = (u16)regs->cs;
|
|
dump->regs.flags = regs->flags;
|
|
dump->regs.sp = regs->sp;
|
|
dump->regs.ss = (u16)regs->ss;
|
|
|
|
dump->u_fpvalid = dump_fpu(regs, &dump->i387);
|
|
}
|
|
|
|
#endif /* CONFIG_X86_32 */
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _ASM_X86_A_OUT_CORE_H */
|