Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262093AbVAJFiY (ORCPT ); Mon, 10 Jan 2005 00:38:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262115AbVAJFiY (ORCPT ); Mon, 10 Jan 2005 00:38:24 -0500 Received: from pool-151-203-193-191.bos.east.verizon.net ([151.203.193.191]:19972 "EHLO ccure.user-mode-linux.org") by vger.kernel.org with ESMTP id S262093AbVAJFOR (ORCPT ); Mon, 10 Jan 2005 00:14:17 -0500 Message-Id: <200501100735.j0A7ZPPW005770@ccure.user-mode-linux.org> X-Mailer: exmh version 2.4 06/23/2000 with nmh-1.1-RC1 To: akpm@osdl.org cc: linux-kernel@vger.kernel.org Subject: [PATCH 8/28] UML - x86_64 ptrace support Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 10 Jan 2005 02:35:25 -0500 From: Jeff Dike Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 33270 Lines: 1058 This adds the x86_64 ptrace support. It also cleans up the existing code somewhat, eliminating a couple of simple header files, and generalizing the mk_ptregs buils to accomodate multiple architectures. Signed-off-by: Jeff Dike Index: 2.6.10/arch/um/include/sysdep-i386/ptrace.h =================================================================== --- 2.6.10.orig/arch/um/include/sysdep-i386/ptrace.h 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/include/sysdep-i386/ptrace.h 2005-01-09 21:46:47.000000000 -0500 @@ -9,11 +9,52 @@ #include "uml-config.h" #ifdef UML_CONFIG_MODE_TT -#include "ptrace-tt.h" +#include "sysdep/sc.h" #endif #ifdef UML_CONFIG_MODE_SKAS -#include "ptrace-skas.h" + +/* syscall emulation path in ptrace */ + +#ifndef PTRACE_SYSEMU +#define PTRACE_SYSEMU 31 +#endif + +void set_using_sysemu(int value); +int get_using_sysemu(void); +extern int sysemu_supported; + +#include "skas_ptregs.h" + +#define HOST_FRAME_SIZE 17 + +#define REGS_IP(r) ((r)[HOST_IP]) +#define REGS_SP(r) ((r)[HOST_SP]) +#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) +#define REGS_EAX(r) ((r)[HOST_EAX]) +#define REGS_EBX(r) ((r)[HOST_EBX]) +#define REGS_ECX(r) ((r)[HOST_ECX]) +#define REGS_EDX(r) ((r)[HOST_EDX]) +#define REGS_ESI(r) ((r)[HOST_ESI]) +#define REGS_EDI(r) ((r)[HOST_EDI]) +#define REGS_EBP(r) ((r)[HOST_EBP]) +#define REGS_CS(r) ((r)[HOST_CS]) +#define REGS_SS(r) ((r)[HOST_SS]) +#define REGS_DS(r) ((r)[HOST_DS]) +#define REGS_ES(r) ((r)[HOST_ES]) +#define REGS_FS(r) ((r)[HOST_FS]) +#define REGS_GS(r) ((r)[HOST_GS]) + +#define REGS_SET_SYSCALL_RETURN(r, res) REGS_EAX(r) = (res) + +#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) + +#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type) + +#define REGS_FAULT_ADDR(r) ((r)->fault_addr) + +#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) + #endif #ifndef PTRACE_SYSEMU_SINGLESTEP #define PTRACE_SYSEMU_SINGLESTEP 32 Index: 2.6.10/arch/um/include/sysdep-x86_64/ptrace.h =================================================================== --- 2.6.10.orig/arch/um/include/sysdep-x86_64/ptrace.h 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/arch/um/include/sysdep-x86_64/ptrace.h 2005-01-09 21:59:58.000000000 -0500 @@ -0,0 +1,260 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_H +#define __SYSDEP_X86_64_PTRACE_H + +#include "uml-config.h" + +#ifdef UML_CONFIG_MODE_TT +#include "sysdep/sc.h" +#endif + +#ifdef UML_CONFIG_MODE_SKAS +#include "skas_ptregs.h" + +#define REGS_IP(r) ((r)[HOST_IP]) +#define REGS_SP(r) ((r)[HOST_SP]) + +#define REGS_RBX(r) ((r)[HOST_RBX]) +#define REGS_RCX(r) ((r)[HOST_RCX]) +#define REGS_RDX(r) ((r)[HOST_RDX]) +#define REGS_RSI(r) ((r)[HOST_RSI]) +#define REGS_RDI(r) ((r)[HOST_RDI]) +#define REGS_RBP(r) ((r)[HOST_RBP]) +#define REGS_RAX(r) ((r)[HOST_RAX]) +#define REGS_R8(r) ((r)[HOST_R8]) +#define REGS_R9(r) ((r)[HOST_R9]) +#define REGS_R10(r) ((r)[HOST_R10]) +#define REGS_R11(r) ((r)[HOST_R11]) +#define REGS_R12(r) ((r)[HOST_R12]) +#define REGS_R13(r) ((r)[HOST_R13]) +#define REGS_R14(r) ((r)[HOST_R14]) +#define REGS_R15(r) ((r)[HOST_R15]) +#define REGS_CS(r) ((r)[HOST_CS]) +#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) +#define REGS_SS(r) ((r)[HOST_SS]) + +#define HOST_FS_BASE 21 +#define HOST_GS_BASE 22 +#define HOST_DS 23 +#define HOST_ES 24 +#define HOST_FS 25 +#define HOST_GS 26 + +#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE]) +#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE]) +#define REGS_DS(r) ((r)[HOST_DS]) +#define REGS_ES(r) ((r)[HOST_ES]) +#define REGS_FS(r) ((r)[HOST_FS]) +#define REGS_GS(r) ((r)[HOST_GS]) + +#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_RAX]) + +#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res) + +#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) + +#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type) + +#define REGS_FAULT_ADDR(r) ((r)->fault_addr) + +#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) + +#define REGS_TRAP(r) ((r)->trap_type) + +#define REGS_ERR(r) ((r)->fault_type) + +#endif + +#include "choose-mode.h" + +/* XXX */ +union uml_pt_regs { +#ifdef UML_CONFIG_MODE_TT + struct tt_regs { + long syscall; + unsigned long orig_rax; + void *sc; + } tt; +#endif +#ifdef UML_CONFIG_MODE_SKAS + struct skas_regs { + /* XXX */ + unsigned long regs[27]; + unsigned long fp[65]; + unsigned long fault_addr; + unsigned long fault_type; + unsigned long trap_type; + long syscall; + int is_user; + } skas; +#endif +}; + +#define EMPTY_UML_PT_REGS { } + +/* XXX */ +extern int mode_tt; + +#define UPT_RBX(r) CHOOSE_MODE(SC_RBX(UPT_SC(r)), REGS_RBX((r)->skas.regs)) +#define UPT_RCX(r) CHOOSE_MODE(SC_RCX(UPT_SC(r)), REGS_RCX((r)->skas.regs)) +#define UPT_RDX(r) CHOOSE_MODE(SC_RDX(UPT_SC(r)), REGS_RDX((r)->skas.regs)) +#define UPT_RSI(r) CHOOSE_MODE(SC_RSI(UPT_SC(r)), REGS_RSI((r)->skas.regs)) +#define UPT_RDI(r) CHOOSE_MODE(SC_RDI(UPT_SC(r)), REGS_RDI((r)->skas.regs)) +#define UPT_RBP(r) CHOOSE_MODE(SC_RBP(UPT_SC(r)), REGS_RBP((r)->skas.regs)) +#define UPT_RAX(r) CHOOSE_MODE(SC_RAX(UPT_SC(r)), REGS_RAX((r)->skas.regs)) +#define UPT_R8(r) CHOOSE_MODE(SC_R8(UPT_SC(r)), REGS_R8((r)->skas.regs)) +#define UPT_R9(r) CHOOSE_MODE(SC_R9(UPT_SC(r)), REGS_R9((r)->skas.regs)) +#define UPT_R10(r) CHOOSE_MODE(SC_R10(UPT_SC(r)), REGS_R10((r)->skas.regs)) +#define UPT_R11(r) CHOOSE_MODE(SC_R11(UPT_SC(r)), REGS_R11((r)->skas.regs)) +#define UPT_R12(r) CHOOSE_MODE(SC_R12(UPT_SC(r)), REGS_R12((r)->skas.regs)) +#define UPT_R13(r) CHOOSE_MODE(SC_R13(UPT_SC(r)), REGS_R13((r)->skas.regs)) +#define UPT_R14(r) CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs)) +#define UPT_R15(r) CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs)) +#define UPT_CS(r) CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) +#define UPT_FS(r) CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs)) +#define UPT_GS(r) CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs)) +#define UPT_DS(r) CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs)) +#define UPT_ES(r) CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs)) +#define UPT_CS(r) CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) +#define UPT_ORIG_RAX(r) \ + CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs)) + +#define UPT_IP(r) CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs)) +#define UPT_SP(r) CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs)) + +#define UPT_EFLAGS(r) \ + CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs)) +#define UPT_SC(r) ((r)->tt.sc) +#define UPT_SYSCALL_NR(r) CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall) + +extern int user_context(unsigned long sp); + +#define UPT_IS_USER(r) \ + CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.is_user) + +#define UPT_SYSCALL_ARG1(r) UPT_RDI(r) +#define UPT_SYSCALL_ARG2(r) UPT_RSI(r) +#define UPT_SYSCALL_ARG3(r) UPT_RDX(r) +#define UPT_SYSCALL_ARG4(r) UPT_R10(r) +#define UPT_SYSCALL_ARG5(r) UPT_R8(r) +#define UPT_SYSCALL_ARG6(r) UPT_R9(r) + +struct syscall_args { + unsigned long args[6]; +}; + +#define SYSCALL_ARGS(r) ((struct syscall_args) \ + { .args = { UPT_SYSCALL_ARG1(r), \ + UPT_SYSCALL_ARG2(r), \ + UPT_SYSCALL_ARG3(r), \ + UPT_SYSCALL_ARG4(r), \ + UPT_SYSCALL_ARG5(r), \ + UPT_SYSCALL_ARG6(r) } } ) + +#define UPT_REG(regs, reg) \ + ({ unsigned long val; \ + switch(reg){ \ + case R8: val = UPT_R8(regs); break; \ + case R9: val = UPT_R9(regs); break; \ + case R10: val = UPT_R10(regs); break; \ + case R11: val = UPT_R11(regs); break; \ + case R12: val = UPT_R12(regs); break; \ + case R13: val = UPT_R13(regs); break; \ + case R14: val = UPT_R14(regs); break; \ + case R15: val = UPT_R15(regs); break; \ + case RIP: val = UPT_IP(regs); break; \ + case RSP: val = UPT_SP(regs); break; \ + case RAX: val = UPT_RAX(regs); break; \ + case RBX: val = UPT_RBX(regs); break; \ + case RCX: val = UPT_RCX(regs); break; \ + case RDX: val = UPT_RDX(regs); break; \ + case RSI: val = UPT_RSI(regs); break; \ + case RDI: val = UPT_RDI(regs); break; \ + case RBP: val = UPT_RBP(regs); break; \ + case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \ + case CS: val = UPT_CS(regs); break; \ + case DS: val = UPT_DS(regs); break; \ + case ES: val = UPT_ES(regs); break; \ + case FS: val = UPT_FS(regs); break; \ + case GS: val = UPT_GS(regs); break; \ + case EFLAGS: val = UPT_EFLAGS(regs); break; \ + default : \ + panic("Bad register in UPT_REG : %d\n", reg); \ + val = -1; \ + } \ + val; \ + }) + + +#define UPT_SET(regs, reg, val) \ + ({ unsigned long val; \ + switch(reg){ \ + case R8: UPT_R8(regs) = val; break; \ + case R9: UPT_R9(regs) = val; break; \ + case R10: UPT_R10(regs) = val; break; \ + case R11: UPT_R11(regs) = val; break; \ + case R12: UPT_R12(regs) = val; break; \ + case R13: UPT_R13(regs) = val; break; \ + case R14: UPT_R14(regs) = val; break; \ + case R15: UPT_R15(regs) = val; break; \ + case RIP: UPT_IP(regs) = val; break; \ + case RSP: UPT_SP(regs) = val; break; \ + case RAX: UPT_RAX(regs) = val; break; \ + case RBX: UPT_RBX(regs) = val; break; \ + case RCX: UPT_RCX(regs) = val; break; \ + case RDX: UPT_RDX(regs) = val; break; \ + case RSI: UPT_RSI(regs) = val; break; \ + case RDI: UPT_RDI(regs) = val; break; \ + case RBP: UPT_RBP(regs) = val; break; \ + case ORIG_RAX: UPT_ORIG_RAX(regs) = val; break; \ + case CS: UPT_CS(regs) = val; break; \ + case DS: UPT_DS(regs) = val; break; \ + case ES: UPT_ES(regs) = val; break; \ + case FS: UPT_FS(regs) = val; break; \ + case GS: UPT_GS(regs) = val; break; \ + case EFLAGS: UPT_EFLAGS(regs) = val; break; \ + default : \ + panic("Bad register in UPT_SET : %d\n", reg); \ + break; \ + } \ + val; \ + }) + +#define UPT_SET_SYSCALL_RETURN(r, res) \ + CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \ + REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res))) + +#define UPT_RESTART_SYSCALL(r) \ + CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \ + REGS_RESTART_SYSCALL((r)->skas.regs)) + +#define UPT_SEGV_IS_FIXABLE(r) \ + CHOOSE_MODE(SC_SEGV_IS_FIXABLE(UPT_SC(r)), \ + REGS_SEGV_IS_FIXABLE(&r->skas)) + +#define UPT_FAULT_ADDR(r) \ + CHOOSE_MODE(SC_FAULT_ADDR(UPT_SC(r)), REGS_FAULT_ADDR(&r->skas)) + +#define UPT_FAULT_WRITE(r) \ + CHOOSE_MODE(SC_FAULT_WRITE(UPT_SC(r)), REGS_FAULT_WRITE(&r->skas)) + +#define UPT_TRAP(r) CHOOSE_MODE(SC_TRAP_TYPE(UPT_SC(r)), REGS_TRAP(&r->skas)) +#define UPT_ERR(r) CHOOSE_MODE(SC_FAULT_TYPE(UPT_SC(r)), REGS_ERR(&r->skas)) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ Index: 2.6.10/arch/um/include/sysdep-x86_64/ptrace_user.h =================================================================== --- 2.6.10.orig/arch/um/include/sysdep-x86_64/ptrace_user.h 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/arch/um/include/sysdep-x86_64/ptrace_user.h 2005-01-09 21:52:21.000000000 -0500 @@ -0,0 +1,69 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_USER_H__ +#define __SYSDEP_X86_64_PTRACE_USER_H__ + +#define __FRAME_OFFSETS +#include +#undef __FRAME_OFFSETS + +#define PT_INDEX(off) ((off) / sizeof(unsigned long)) + +#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)]) +#define PT_SYSCALL_NR_OFFSET (ORIG_RAX) + +#define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)]) +#define PT_SYSCALL_ARG1_OFFSET (RDI) + +#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)]) +#define PT_SYSCALL_ARG2_OFFSET (RSI) + +#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)]) +#define PT_SYSCALL_ARG3_OFFSET (RDX) + +#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)]) +#define PT_SYSCALL_ARG4_OFFSET (RCX) + +#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)]) +#define PT_SYSCALL_ARG5_OFFSET (R8) + +#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)]) +#define PT_SYSCALL_ARG6_OFFSET (R9) + +#define PT_SYSCALL_RET_OFFSET (RAX) + +#define PT_IP_OFFSET (RIP) +#define PT_IP(regs) ((regs)[PT_INDEX(RIP)]) + +#define PT_SP_OFFSET (RSP) +#define PT_SP(regs) ((regs)[PT_INDEX(RSP)]) + +#define PT_ORIG_RAX_OFFSET (ORIG_RAX) +#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)]) + +#define MAX_REG_OFFSET (FRAME_SIZE) +#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) + +/* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though + * it's defined in the kernel's include/linux/ptrace.h + */ +#ifndef PTRACE_SETOPTIONS +#define PTRACE_SETOPTIONS 0x4200 +#endif + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ Index: 2.6.10/arch/um/kernel/ptrace.c =================================================================== --- 2.6.10.orig/arch/um/kernel/ptrace.c 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/kernel/ptrace.c 2005-01-09 21:59:49.000000000 -0500 @@ -16,6 +16,7 @@ #include "asm/uaccess.h" #include "kern_util.h" #include "ptrace_user.h" +#include "skas_ptrace.h" /* * Called by kernel/ptrace.c when detaching.. Index: 2.6.10/arch/um/kernel/skas/Makefile =================================================================== --- 2.6.10.orig/arch/um/kernel/skas/Makefile 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/kernel/skas/Makefile 2005-01-09 19:12:51.000000000 -0500 @@ -6,8 +6,6 @@ obj-y := exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \ syscall_kern.o syscall_user.o time.o tlb.o trap_user.o uaccess.o \ -subdir-y := util - USER_OBJS = $(filter %_user.o,$(obj-y)) process.o time.o USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file)) Index: 2.6.10/arch/um/kernel/skas/include/ptrace-skas.h =================================================================== --- 2.6.10.orig/arch/um/kernel/skas/include/ptrace-skas.h 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/kernel/skas/include/ptrace-skas.h 2003-09-15 09:40:47.000000000 -0400 @@ -1,57 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __PTRACE_SKAS_H -#define __PTRACE_SKAS_H - -#include "uml-config.h" - -#ifdef UML_CONFIG_MODE_SKAS - -#include "skas_ptregs.h" - -#define HOST_FRAME_SIZE 17 - -#define REGS_IP(r) ((r)[HOST_IP]) -#define REGS_SP(r) ((r)[HOST_SP]) -#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) -#define REGS_EAX(r) ((r)[HOST_EAX]) -#define REGS_EBX(r) ((r)[HOST_EBX]) -#define REGS_ECX(r) ((r)[HOST_ECX]) -#define REGS_EDX(r) ((r)[HOST_EDX]) -#define REGS_ESI(r) ((r)[HOST_ESI]) -#define REGS_EDI(r) ((r)[HOST_EDI]) -#define REGS_EBP(r) ((r)[HOST_EBP]) -#define REGS_CS(r) ((r)[HOST_CS]) -#define REGS_SS(r) ((r)[HOST_SS]) -#define REGS_DS(r) ((r)[HOST_DS]) -#define REGS_ES(r) ((r)[HOST_ES]) -#define REGS_FS(r) ((r)[HOST_FS]) -#define REGS_GS(r) ((r)[HOST_GS]) - -#define REGS_SET_SYSCALL_RETURN(r, res) REGS_EAX(r) = (res) - -#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) - -#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type) - -#define REGS_FAULT_ADDR(r) ((r)->fault_addr) - -#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) - -#endif - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ Index: 2.6.10/arch/um/kernel/skas/util/Makefile =================================================================== --- 2.6.10.orig/arch/um/kernel/skas/util/Makefile 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/kernel/skas/util/Makefile 2005-01-09 19:12:51.000000000 -0500 @@ -1,2 +1,4 @@ hostprogs-y := mk_ptregs always := $(hostprogs-y) + +mk_ptregs-objs := mk_ptregs-$(SUBARCH).o Index: 2.6.10/arch/um/kernel/skas/util/mk_ptregs-i386.c =================================================================== --- 2.6.10.orig/arch/um/kernel/skas/util/mk_ptregs-i386.c 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/arch/um/kernel/skas/util/mk_ptregs-i386.c 2005-01-09 19:12:51.000000000 -0500 @@ -0,0 +1,51 @@ +#include +#include +#include + +#define PRINT_REG(name, val) printf("#define HOST_%s %d\n", (name), (val)) + +int main(int argc, char **argv) +{ + printf("/* Automatically generated by " + "arch/um/kernel/skas/util/mk_ptregs */\n"); + printf("\n"); + printf("#ifndef __SKAS_PT_REGS_\n"); + printf("#define __SKAS_PT_REGS_\n"); + printf("\n"); + printf("#define HOST_FRAME_SIZE %d\n", FRAME_SIZE); + printf("#define HOST_FP_SIZE %d\n", + sizeof(struct user_i387_struct) / sizeof(unsigned long)); + printf("#define HOST_XFP_SIZE %d\n", + sizeof(struct user_fxsr_struct) / sizeof(unsigned long)); + + PRINT_REG("IP", EIP); + PRINT_REG("SP", UESP); + PRINT_REG("EFLAGS", EFL); + PRINT_REG("EAX", EAX); + PRINT_REG("EBX", EBX); + PRINT_REG("ECX", ECX); + PRINT_REG("EDX", EDX); + PRINT_REG("ESI", ESI); + PRINT_REG("EDI", EDI); + PRINT_REG("EBP", EBP); + PRINT_REG("CS", CS); + PRINT_REG("SS", SS); + PRINT_REG("DS", DS); + PRINT_REG("FS", FS); + PRINT_REG("ES", ES); + PRINT_REG("GS", GS); + printf("\n"); + printf("#endif\n"); + return(0); +} + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ Index: 2.6.10/arch/um/kernel/skas/util/mk_ptregs-x86_64.c =================================================================== --- 2.6.10.orig/arch/um/kernel/skas/util/mk_ptregs-x86_64.c 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/arch/um/kernel/skas/util/mk_ptregs-x86_64.c 2005-01-09 19:12:51.000000000 -0500 @@ -0,0 +1,68 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#include +#define __FRAME_OFFSETS +#include + +#define PRINT_REG(name, val) \ + printf("#define HOST_%s (%d / sizeof(unsigned long))\n", (name), (val)) + +int main(int argc, char **argv) +{ + printf("/* Automatically generated by " + "arch/um/kernel/skas/util/mk_ptregs */\n"); + printf("\n"); + printf("#ifndef __SKAS_PT_REGS_\n"); + printf("#define __SKAS_PT_REGS_\n"); + printf("#define HOST_FRAME_SIZE (%d / sizeof(unsigned long))\n", + FRAME_SIZE); + PRINT_REG("RBX", RBX); + PRINT_REG("RCX", RCX); + PRINT_REG("RDI", RDI); + PRINT_REG("RSI", RSI); + PRINT_REG("RDX", RDX); + PRINT_REG("RBP", RBP); + PRINT_REG("RAX", RAX); + PRINT_REG("R8", R8); + PRINT_REG("R9", R9); + PRINT_REG("R10", R10); + PRINT_REG("R11", R11); + PRINT_REG("R12", R12); + PRINT_REG("R13", R13); + PRINT_REG("R14", R14); + PRINT_REG("R15", R15); + PRINT_REG("ORIG_RAX", ORIG_RAX); + PRINT_REG("CS", CS); + PRINT_REG("SS", SS); + PRINT_REG("EFLAGS", EFLAGS); +#if 0 + PRINT_REG("FS", FS); + PRINT_REG("GS", GS); + PRINT_REG("DS", DS); + PRINT_REG("ES", ES); +#endif + + PRINT_REG("IP", RIP); + PRINT_REG("SP", RSP); + printf("#define HOST_FP_SIZE 0\n"); + printf("#define HOST_XFP_SIZE 0\n"); + printf("\n"); + printf("\n"); + printf("#endif\n"); + return(0); +} + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ Index: 2.6.10/arch/um/kernel/skas/util/mk_ptregs.c =================================================================== --- 2.6.10.orig/arch/um/kernel/skas/util/mk_ptregs.c 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/kernel/skas/util/mk_ptregs.c 2003-09-15 09:40:47.000000000 -0400 @@ -1,51 +0,0 @@ -#include -#include -#include - -#define PRINT_REG(name, val) printf("#define HOST_%s %d\n", (name), (val)) - -int main(int argc, char **argv) -{ - printf("/* Automatically generated by " - "arch/um/kernel/skas/util/mk_ptregs */\n"); - printf("\n"); - printf("#ifndef __SKAS_PT_REGS_\n"); - printf("#define __SKAS_PT_REGS_\n"); - printf("\n"); - printf("#define HOST_FRAME_SIZE %d\n", FRAME_SIZE); - printf("#define HOST_FP_SIZE %d\n", - sizeof(struct user_i387_struct) / sizeof(unsigned long)); - printf("#define HOST_XFP_SIZE %d\n", - sizeof(struct user_fxsr_struct) / sizeof(unsigned long)); - - PRINT_REG("IP", EIP); - PRINT_REG("SP", UESP); - PRINT_REG("EFLAGS", EFL); - PRINT_REG("EAX", EAX); - PRINT_REG("EBX", EBX); - PRINT_REG("ECX", ECX); - PRINT_REG("EDX", EDX); - PRINT_REG("ESI", ESI); - PRINT_REG("EDI", EDI); - PRINT_REG("EBP", EBP); - PRINT_REG("CS", CS); - PRINT_REG("SS", SS); - PRINT_REG("DS", DS); - PRINT_REG("FS", FS); - PRINT_REG("ES", ES); - PRINT_REG("GS", GS); - printf("\n"); - printf("#endif\n"); - return(0); -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ Index: 2.6.10/arch/um/kernel/tt/include/ptrace-tt.h =================================================================== --- 2.6.10.orig/arch/um/kernel/tt/include/ptrace-tt.h 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/kernel/tt/include/ptrace-tt.h 2003-09-15 09:40:47.000000000 -0400 @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __PTRACE_TT_H -#define __PTRACE_TT_H - -#include "uml-config.h" - -#ifdef UML_CONFIG_MODE_TT -#include "sysdep/sc.h" -#endif - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ Index: 2.6.10/arch/um/sys-i386/ldt.c =================================================================== --- 2.6.10.orig/arch/um/sys-i386/ldt.c 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/arch/um/sys-i386/ldt.c 2005-01-09 21:59:49.000000000 -0500 @@ -25,6 +25,8 @@ #ifdef CONFIG_MODE_SKAS extern int userspace_pid; +#include "skas_ptrace.h" + int sys_modify_ldt_skas(int func, void *ptr, unsigned long bytecount) { struct ptrace_ldt ldt; Index: 2.6.10/arch/um/sys-x86_64/Makefile =================================================================== --- 2.6.10.orig/arch/um/sys-x86_64/Makefile 2005-01-09 19:09:42.000000000 -0500 +++ 2.6.10/arch/um/sys-x86_64/Makefile 2005-01-09 21:59:49.000000000 -0500 @@ -5,10 +5,10 @@ # lib-y = bitops.o bugs.o csum-partial.o fault.o mem.o memcpy.o \ - ptrace.o semaphore.o sigcontext.o signal.o syscalls.o \ - sysrq.o thunk.o + ptrace.o ptrace_user.o semaphore.o sigcontext.o signal.o \ + syscalls.o sysrq.o thunk.o -USER_OBJS := sigcontext.o +USER_OBJS := ptrace_user.o sigcontext.o USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file)) SYMLINKS = bitops.c csum-copy.S csum-partial.c csum-wrappers.c memcpy.S \ Index: 2.6.10/arch/um/sys-x86_64/ptrace.c =================================================================== --- 2.6.10.orig/arch/um/sys-x86_64/ptrace.c 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/arch/um/sys-x86_64/ptrace.c 2005-01-09 19:12:51.000000000 -0500 @@ -0,0 +1,138 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#define __FRAME_OFFSETS +#include "asm/ptrace.h" +#include "linux/sched.h" +#include "linux/errno.h" +#include "asm/elf.h" + +/* XXX x86_64 */ +unsigned long not_ss; +unsigned long not_ds; +unsigned long not_es; + +#define SC_SS(r) (not_ss) +#define SC_DS(r) (not_ds) +#define SC_ES(r) (not_es) + +/* determines which flags the user has access to. */ +/* 1 = access 0 = no access */ +#define FLAG_MASK 0x44dd5UL + +int putreg(struct task_struct *child, int regno, unsigned long value) +{ + unsigned long tmp; + +#ifdef TIF_IA32 + /* Some code in the 64bit emulation may not be 64bit clean. + Don't take any chances. */ + if (test_tsk_thread_flag(child, TIF_IA32)) + value &= 0xffffffff; +#endif + switch (regno){ + case FS: + case GS: + case DS: + case ES: + case SS: + case CS: + if (value && (value & 3) != 3) + return -EIO; + value &= 0xffff; + break; + + case FS_BASE: + case GS_BASE: + if (!((value >> 48) == 0 || (value >> 48) == 0xffff)) + return -EIO; + break; + + case EFLAGS: + value &= FLAG_MASK; + tmp = PT_REGS_EFLAGS(&child->thread.regs) & ~FLAG_MASK; + value |= tmp; + break; + } + + PT_REGS_SET(&child->thread.regs, regno, value); + return 0; +} + +unsigned long getreg(struct task_struct *child, int regno) +{ + unsigned long retval = ~0UL; + switch (regno) { + case FS: + case GS: + case DS: + case ES: + case SS: + case CS: + retval = 0xffff; + /* fall through */ + default: + retval &= PT_REG(&child->thread.regs, regno); +#ifdef TIF_IA32 + if (test_tsk_thread_flag(child, TIF_IA32)) + retval &= 0xffffffff; +#endif + } + return retval; +} + +void arch_switch(void) +{ +/* XXX + printk("arch_switch\n"); +*/ +} + +int is_syscall(unsigned long addr) +{ + panic("is_syscall"); +} + +int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu ) +{ + panic("dump_fpu"); + return(1); +} + +int get_fpregs(unsigned long buf, struct task_struct *child) +{ + panic("get_fpregs"); + return(0); +} + +int set_fpregs(unsigned long buf, struct task_struct *child) +{ + panic("set_fpregs"); + return(0); +} + +int get_fpxregs(unsigned long buf, struct task_struct *tsk) +{ + panic("get_fpxregs"); + return(0); +} + +int set_fpxregs(unsigned long buf, struct task_struct *tsk) +{ + panic("set_fxpregs"); + return(0); +} + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ Index: 2.6.10/arch/um/sys-x86_64/ptrace_user.c =================================================================== --- 2.6.10.orig/arch/um/sys-x86_64/ptrace_user.c 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/arch/um/sys-x86_64/ptrace_user.c 2005-01-09 19:12:51.000000000 -0500 @@ -0,0 +1,64 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#include +#include +#define __FRAME_OFFSETS +#include +#include +#include "user.h" +#include "kern_constants.h" + +int ptrace_getregs(long pid, unsigned long *regs_out) +{ + if(ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0) + return(-errno); + return(0); +} + +int ptrace_setregs(long pid, unsigned long *regs) +{ + if(ptrace(PTRACE_SETREGS, pid, 0, regs) < 0) + return(-errno); + return(0); +} + +void ptrace_pokeuser(unsigned long addr, unsigned long data) +{ + panic("ptrace_pokeuser"); +} + +#define DS 184 +#define ES 192 +#define __USER_DS 0x2b + +void arch_enter_kernel(void *task, int pid) +{ +} + +void arch_leave_kernel(void *task, int pid) +{ +#ifdef UM_USER_CS + if(ptrace(PTRACE_POKEUSER, pid, CS, UM_USER_CS) < 0) + tracer_panic("POKEUSER CS failed"); +#endif + + if(ptrace(PTRACE_POKEUSER, pid, DS, __USER_DS) < 0) + tracer_panic("POKEUSER DS failed"); + if(ptrace(PTRACE_POKEUSER, pid, ES, __USER_DS) < 0) + tracer_panic("POKEUSER ES failed"); +} + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ Index: 2.6.10/include/asm-um/ptrace-generic.h =================================================================== --- 2.6.10.orig/include/asm-um/ptrace-generic.h 2005-01-09 19:06:08.000000000 -0500 +++ 2.6.10/include/asm-um/ptrace-generic.h 2005-01-09 21:59:49.000000000 -0500 @@ -21,7 +21,6 @@ #undef instruction_pointer #include "sysdep/ptrace.h" -#include "skas_ptrace.h" struct pt_regs { union uml_pt_regs regs; Index: 2.6.10/include/asm-um/ptrace-x86_64.h =================================================================== --- 2.6.10.orig/include/asm-um/ptrace-x86_64.h 2003-09-15 09:40:47.000000000 -0400 +++ 2.6.10/include/asm-um/ptrace-x86_64.h 2005-01-09 19:12:51.000000000 -0500 @@ -0,0 +1,75 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_PTRACE_X86_64_H +#define __UM_PTRACE_X86_64_H + +#include "linux/compiler.h" + +#define signal_fault signal_fault_x86_64 +#define __FRAME_OFFSETS /* Needed to get the R* macros */ +#include "asm/ptrace-generic.h" +#undef signal_fault + +void signal_fault(struct pt_regs_subarch *regs, void *frame, char *where); + +#define FS_BASE (21 * sizeof(unsigned long)) +#define GS_BASE (22 * sizeof(unsigned long)) +#define DS (23 * sizeof(unsigned long)) +#define ES (24 * sizeof(unsigned long)) +#define FS (25 * sizeof(unsigned long)) +#define GS (26 * sizeof(unsigned long)) + +#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs) +#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs) +#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs) +#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs) +#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs) +#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs) +#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs) +#define PT_REGS_R8(r) UPT_R8(&(r)->regs) +#define PT_REGS_R9(r) UPT_R9(&(r)->regs) +#define PT_REGS_R10(r) UPT_R10(&(r)->regs) +#define PT_REGS_R11(r) UPT_R11(&(r)->regs) +#define PT_REGS_R12(r) UPT_R12(&(r)->regs) +#define PT_REGS_R13(r) UPT_R13(&(r)->regs) +#define PT_REGS_R14(r) UPT_R14(&(r)->regs) +#define PT_REGS_R15(r) UPT_R15(&(r)->regs) + +#define PT_REGS_FS(r) UPT_FS(&(r)->regs) +#define PT_REGS_GS(r) UPT_GS(&(r)->regs) +#define PT_REGS_DS(r) UPT_DS(&(r)->regs) +#define PT_REGS_ES(r) UPT_ES(&(r)->regs) +#define PT_REGS_SS(r) UPT_SS(&(r)->regs) +#define PT_REGS_CS(r) UPT_CS(&(r)->regs) + +#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs) +#define PT_REGS_RIP(r) UPT_IP(&(r)->regs) +#define PT_REGS_RSP(r) UPT_SP(&(r)->regs) + +#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) + +/* XXX */ +#define user_mode(r) UPT_IS_USER(&(r)->regs) +#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r) +#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r) + +#define PT_FIX_EXEC_STACK(sp) do ; while(0) + +#define profile_pc(regs) PT_REGS_IP(regs) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/