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 21 /* 22 * fill in the user structure for an a.out core dump 23 */ aout_dump_thread(struct pt_regs * regs,struct user * dump)24static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) 25 { 26 /* changed the size calculations - should hopefully work better. lbt */ 27 dump->magic = CMAGIC; 28 dump->start_code = 0; 29 dump->start_stack = regs->sp & ~(PAGE_SIZE - 1); 30 dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT; 31 dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1))) 32 >> PAGE_SHIFT; 33 dump->u_dsize -= dump->u_tsize; 34 dump->u_ssize = 0; 35 dump->u_debugreg[0] = current->thread.debugreg0; 36 dump->u_debugreg[1] = current->thread.debugreg1; 37 dump->u_debugreg[2] = current->thread.debugreg2; 38 dump->u_debugreg[3] = current->thread.debugreg3; 39 dump->u_debugreg[4] = 0; 40 dump->u_debugreg[5] = 0; 41 dump->u_debugreg[6] = current->thread.debugreg6; 42 dump->u_debugreg[7] = current->thread.debugreg7; 43 44 if (dump->start_stack < TASK_SIZE) 45 dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack)) 46 >> PAGE_SHIFT; 47 48 dump->regs.bx = regs->bx; 49 dump->regs.cx = regs->cx; 50 dump->regs.dx = regs->dx; 51 dump->regs.si = regs->si; 52 dump->regs.di = regs->di; 53 dump->regs.bp = regs->bp; 54 dump->regs.ax = regs->ax; 55 dump->regs.ds = (u16)regs->ds; 56 dump->regs.es = (u16)regs->es; 57 dump->regs.fs = (u16)regs->fs; 58 savesegment(gs, dump->regs.gs); 59 dump->regs.orig_ax = regs->orig_ax; 60 dump->regs.ip = regs->ip; 61 dump->regs.cs = (u16)regs->cs; 62 dump->regs.flags = regs->flags; 63 dump->regs.sp = regs->sp; 64 dump->regs.ss = (u16)regs->ss; 65 66 dump->u_fpvalid = dump_fpu(regs, &dump->i387); 67 } 68 69 #endif /* CONFIG_X86_32 */ 70 #endif /* __KERNEL__ */ 71 #endif /* _ASM_X86_A_OUT_CORE_H */ 72