diff options
Diffstat (limited to 'kernel/arch/x86/include/asm/a.out-core.h')
| -rw-r--r-- | kernel/arch/x86/include/asm/a.out-core.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/kernel/arch/x86/include/asm/a.out-core.h b/kernel/arch/x86/include/asm/a.out-core.h new file mode 100644 index 000000000..7a15588e4 --- /dev/null +++ b/kernel/arch/x86/include/asm/a.out-core.h @@ -0,0 +1,65 @@ +/* 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 */ |