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-rw-r--r--arch/um/include/sysdep-x86_64/ptrace.h264
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:
+ */
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