diff options
Diffstat (limited to 'arch/um/include/sysdep-x86_64/ptrace.h')
| -rw-r--r-- | arch/um/include/sysdep-x86_64/ptrace.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h new file mode 100644 index 000000000000..915c82daffbd --- /dev/null +++ b/arch/um/include/sysdep-x86_64/ptrace.h @@ -0,0 +1,264 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_H +#define __SYSDEP_X86_64_PTRACE_H + +#include "uml-config.h" +#include "user_constants.h" + +#define MAX_REG_OFFSET (UM_FRAME_SIZE) +#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) + +#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: + */ |