1 /* a.out coredump register dumper 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 12 #ifndef _ASM_X86_A_OUT_CORE_H 13 #define _ASM_X86_A_OUT_CORE_H 14 15 #ifdef __KERNEL__ 16 #ifdef CONFIG_X86_32 17 18 #include <linux/user.h> 19 #include <linux/elfcore.h> 20 #include <asm/debugreg.h> 21 22 /* 23 * fill in the user structure for an a.out core dump 24 */ aout_dump_thread(struct pt_regs * regs,struct user * dump)25static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) 26 { 27 /* changed the size calculations - should hopefully work better. lbt */ 28 dump->magic = CMAGIC; 29 dump->start_code = 0; 30 dump->start_stack = regs->sp & ~(PAGE_SIZE - 1); 31 dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT; 32 dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1))) 33 >> PAGE_SHIFT; 34 dump->u_dsize -= dump->u_tsize; 35 dump->u_ssize = 0; 36 aout_dump_debugregs(dump); 37 38 if (dump->start_stack < TASK_SIZE) 39 dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack)) 40 >> PAGE_SHIFT; 41 42 dump->regs.bx = regs->bx; 43 dump->regs.cx = regs->cx; 44 dump->regs.dx = regs->dx; 45 dump->regs.si = regs->si; 46 dump->regs.di = regs->di; 47 dump->regs.bp = regs->bp; 48 dump->regs.ax = regs->ax; 49 dump->regs.ds = (u16)regs->ds; 50 dump->regs.es = (u16)regs->es; 51 dump->regs.fs = (u16)regs->fs; 52 dump->regs.gs = get_user_gs(regs); 53 dump->regs.orig_ax = regs->orig_ax; 54 dump->regs.ip = regs->ip; 55 dump->regs.cs = (u16)regs->cs; 56 dump->regs.flags = regs->flags; 57 dump->regs.sp = regs->sp; 58 dump->regs.ss = (u16)regs->ss; 59 60 dump->u_fpvalid = dump_fpu(regs, &dump->i387); 61 } 62 63 #endif /* CONFIG_X86_32 */ 64 #endif /* __KERNEL__ */ 65 #endif /* _ASM_X86_A_OUT_CORE_H */ 66