| /* |
| * 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" |
| #include "sysdep/faultinfo.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; |
| struct faultinfo faultinfo; |
| } tt; |
| #endif |
| #ifdef UML_CONFIG_MODE_SKAS |
| struct skas_regs { |
| /* XXX */ |
| unsigned long regs[27]; |
| unsigned long fp[65]; |
| struct faultinfo faultinfo; |
| 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) |
| #define UPT_SYSCALL_RET(r) UPT_RAX(r) |
| |
| 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 __upt_val = val; \ |
| switch(reg){ \ |
| case R8: UPT_R8(regs) = __upt_val; break; \ |
| case R9: UPT_R9(regs) = __upt_val; break; \ |
| case R10: UPT_R10(regs) = __upt_val; break; \ |
| case R11: UPT_R11(regs) = __upt_val; break; \ |
| case R12: UPT_R12(regs) = __upt_val; break; \ |
| case R13: UPT_R13(regs) = __upt_val; break; \ |
| case R14: UPT_R14(regs) = __upt_val; break; \ |
| case R15: UPT_R15(regs) = __upt_val; break; \ |
| case RIP: UPT_IP(regs) = __upt_val; break; \ |
| case RSP: UPT_SP(regs) = __upt_val; break; \ |
| case RAX: UPT_RAX(regs) = __upt_val; break; \ |
| case RBX: UPT_RBX(regs) = __upt_val; break; \ |
| case RCX: UPT_RCX(regs) = __upt_val; break; \ |
| case RDX: UPT_RDX(regs) = __upt_val; break; \ |
| case RSI: UPT_RSI(regs) = __upt_val; break; \ |
| case RDI: UPT_RDI(regs) = __upt_val; break; \ |
| case RBP: UPT_RBP(regs) = __upt_val; break; \ |
| case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \ |
| case CS: UPT_CS(regs) = __upt_val; break; \ |
| case DS: UPT_DS(regs) = __upt_val; break; \ |
| case ES: UPT_ES(regs) = __upt_val; break; \ |
| case FS: UPT_FS(regs) = __upt_val; break; \ |
| case GS: UPT_GS(regs) = __upt_val; break; \ |
| case EFLAGS: UPT_EFLAGS(regs) = __upt_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_FAULTINFO(r) \ |
| CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo)) |
| |
| #endif |