cpu_x86_64.c File Reference

#include <assert.h>
#include "ntstatus.h"
#include "dbghelp_private.h"
#include "winternl.h"
#include "wine/debug.h"

Include dependency graph for cpu_x86_64.c:

Go to the source code of this file.

Classes
union	_UNWIND_CODE
struct	_UNWIND_INFO

Macros
#define	NONAMELESSUNION
#define	NONAMELESSSTRUCT
#define	WIN32_NO_STATUS

Typedefs
typedef enum _UNWIND_OP_CODES	UNWIND_CODE_OPS
typedef union _UNWIND_CODE	UNWIND_CODE
typedef union _UNWIND_CODE *	PUNWIND_CODE
typedef struct _UNWIND_INFO	UNWIND_INFO
typedef struct _UNWIND_INFO *	PUNWIND_INFO

Enumerations
enum	_UNWIND_OP_CODES {   UWOP_PUSH_NONVOL = 0 , UWOP_ALLOC_LARGE , UWOP_ALLOC_SMALL , UWOP_SET_FPREG ,   UWOP_SAVE_NONVOL , UWOP_SAVE_NONVOL_FAR , UWOP_SAVE_XMM128 , UWOP_SAVE_XMM128_FAR ,   UWOP_PUSH_MACHFRAME }

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (dbghelp)
static BOOL	x86_64_get_addr (HANDLE hThread, const CONTEXT *ctx, enum cpu_addr ca, ADDRESS64 *addr)
static BOOL	x86_64_stack_walk (struct cpu_stack_walk *csw, STACKFRAME64 *frame, union ctx *ctx)
static void *	x86_64_find_runtime_function (struct module *module, DWORD64 addr)
static unsigned	x86_64_map_dwarf_register (unsigned regno, const struct module *module, BOOL eh_frame)
static void *	x86_64_fetch_context_reg (union ctx *pctx, unsigned regno, unsigned *size)
static const char *	x86_64_fetch_regname (unsigned regno)
static BOOL	x86_64_fetch_minidump_thread (struct dump_context *dc, unsigned index, unsigned flags, const CONTEXT *ctx)
static BOOL	x86_64_fetch_minidump_module (struct dump_context *dc, unsigned index, unsigned flags)

Variables
DECLSPEC_HIDDEN struct cpu	cpu_x86_64

Macro Definition Documentation

NONAMELESSSTRUCT

#define NONAMELESSSTRUCT

Definition at line 25 of file cpu_x86_64.c.

NONAMELESSUNION

#define NONAMELESSUNION

Definition at line 24 of file cpu_x86_64.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 27 of file cpu_x86_64.c.

Typedef Documentation

PUNWIND_CODE

typedef union _UNWIND_CODE * PUNWIND_CODE

PUNWIND_INFO

typedef struct _UNWIND_INFO * PUNWIND_INFO

UNWIND_CODE

typedef union _UNWIND_CODE UNWIND_CODE

UNWIND_CODE_OPS

typedef enum _UNWIND_OP_CODES UNWIND_CODE_OPS

UNWIND_INFO

typedef struct _UNWIND_INFO UNWIND_INFO

Enumeration Type Documentation

_UNWIND_OP_CODES

enum _UNWIND_OP_CODES

Enumerator
UWOP_PUSH_NONVOL
UWOP_ALLOC_LARGE
UWOP_ALLOC_SMALL
UWOP_SET_FPREG
UWOP_SAVE_NONVOL
UWOP_SAVE_NONVOL_FAR
UWOP_SAVE_XMM128
UWOP_SAVE_XMM128_FAR
UWOP_PUSH_MACHFRAME

Definition at line 36 of file cpu_x86_64.c.

{
    UWOP_PUSH_NONVOL = 0,
    UWOP_ALLOC_LARGE,
    UWOP_ALLOC_SMALL,
    UWOP_SET_FPREG,
    UWOP_SAVE_NONVOL,
    UWOP_SAVE_NONVOL_FAR,
    UWOP_SAVE_XMM128,
    UWOP_SAVE_XMM128_FAR,
    UWOP_PUSH_MACHFRAME
} UNWIND_CODE_OPS;

Function Documentation

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

dbghelp

)

x86_64_fetch_context_reg()

static void * x86_64_fetch_context_reg ( union ctx *  pctx, unsigned  regno, unsigned *  size  )

static

Definition at line 781 of file cpu_x86_64.c.

{
#ifdef __x86_64__
    CONTEXT *ctx = &pctx->ctx;
 
    switch (regno)
    {
    case CV_AMD64_RAX: *size = sizeof(ctx->Rax); return &ctx->Rax;
    case CV_AMD64_RDX: *size = sizeof(ctx->Rdx); return &ctx->Rdx;
    case CV_AMD64_RCX: *size = sizeof(ctx->Rcx); return &ctx->Rcx;
    case CV_AMD64_RBX: *size = sizeof(ctx->Rbx); return &ctx->Rbx;
    case CV_AMD64_RSI: *size = sizeof(ctx->Rsi); return &ctx->Rsi;
    case CV_AMD64_RDI: *size = sizeof(ctx->Rdi); return &ctx->Rdi;
    case CV_AMD64_RBP: *size = sizeof(ctx->Rbp); return &ctx->Rbp;
    case CV_AMD64_RSP: *size = sizeof(ctx->Rsp); return &ctx->Rsp;
    case CV_AMD64_R8:  *size = sizeof(ctx->R8);  return &ctx->R8;
    case CV_AMD64_R9:  *size = sizeof(ctx->R9);  return &ctx->R9;
    case CV_AMD64_R10: *size = sizeof(ctx->R10); return &ctx->R10;
    case CV_AMD64_R11: *size = sizeof(ctx->R11); return &ctx->R11;
    case CV_AMD64_R12: *size = sizeof(ctx->R12); return &ctx->R12;
    case CV_AMD64_R13: *size = sizeof(ctx->R13); return &ctx->R13;
    case CV_AMD64_R14: *size = sizeof(ctx->R14); return &ctx->R14;
    case CV_AMD64_R15: *size = sizeof(ctx->R15); return &ctx->R15;
    case CV_AMD64_RIP: *size = sizeof(ctx->Rip); return &ctx->Rip;
 
    case CV_AMD64_XMM0 + 0: *size = sizeof(ctx->u.s.Xmm0 ); return &ctx->u.s.Xmm0;
    case CV_AMD64_XMM0 + 1: *size = sizeof(ctx->u.s.Xmm1 ); return &ctx->u.s.Xmm1;
    case CV_AMD64_XMM0 + 2: *size = sizeof(ctx->u.s.Xmm2 ); return &ctx->u.s.Xmm2;
    case CV_AMD64_XMM0 + 3: *size = sizeof(ctx->u.s.Xmm3 ); return &ctx->u.s.Xmm3;
    case CV_AMD64_XMM0 + 4: *size = sizeof(ctx->u.s.Xmm4 ); return &ctx->u.s.Xmm4;
    case CV_AMD64_XMM0 + 5: *size = sizeof(ctx->u.s.Xmm5 ); return &ctx->u.s.Xmm5;
    case CV_AMD64_XMM0 + 6: *size = sizeof(ctx->u.s.Xmm6 ); return &ctx->u.s.Xmm6;
    case CV_AMD64_XMM0 + 7: *size = sizeof(ctx->u.s.Xmm7 ); return &ctx->u.s.Xmm7;
    case CV_AMD64_XMM8 + 0: *size = sizeof(ctx->u.s.Xmm8 ); return &ctx->u.s.Xmm8;
    case CV_AMD64_XMM8 + 1: *size = sizeof(ctx->u.s.Xmm9 ); return &ctx->u.s.Xmm9;
    case CV_AMD64_XMM8 + 2: *size = sizeof(ctx->u.s.Xmm10); return &ctx->u.s.Xmm10;
    case CV_AMD64_XMM8 + 3: *size = sizeof(ctx->u.s.Xmm11); return &ctx->u.s.Xmm11;
    case CV_AMD64_XMM8 + 4: *size = sizeof(ctx->u.s.Xmm12); return &ctx->u.s.Xmm12;
    case CV_AMD64_XMM8 + 5: *size = sizeof(ctx->u.s.Xmm13); return &ctx->u.s.Xmm13;
    case CV_AMD64_XMM8 + 6: *size = sizeof(ctx->u.s.Xmm14); return &ctx->u.s.Xmm14;
    case CV_AMD64_XMM8 + 7: *size = sizeof(ctx->u.s.Xmm15); return &ctx->u.s.Xmm15;
 
    case CV_AMD64_ST0 + 0: *size = sizeof(ctx->u.s.Legacy[0]); return &ctx->u.s.Legacy[0];
    case CV_AMD64_ST0 + 1: *size = sizeof(ctx->u.s.Legacy[1]); return &ctx->u.s.Legacy[1];
    case CV_AMD64_ST0 + 2: *size = sizeof(ctx->u.s.Legacy[2]); return &ctx->u.s.Legacy[2];
    case CV_AMD64_ST0 + 3: *size = sizeof(ctx->u.s.Legacy[3]); return &ctx->u.s.Legacy[3];
    case CV_AMD64_ST0 + 4: *size = sizeof(ctx->u.s.Legacy[4]); return &ctx->u.s.Legacy[4];
    case CV_AMD64_ST0 + 5: *size = sizeof(ctx->u.s.Legacy[5]); return &ctx->u.s.Legacy[5];
    case CV_AMD64_ST0 + 6: *size = sizeof(ctx->u.s.Legacy[6]); return &ctx->u.s.Legacy[6];
    case CV_AMD64_ST0 + 7: *size = sizeof(ctx->u.s.Legacy[7]); return &ctx->u.s.Legacy[7];
 
    case CV_AMD64_EFLAGS: *size = sizeof(ctx->EFlags); return &ctx->EFlags;
    case CV_AMD64_ES: *size = sizeof(ctx->SegEs); return &ctx->SegEs;
    case CV_AMD64_CS: *size = sizeof(ctx->SegCs); return &ctx->SegCs;
    case CV_AMD64_SS: *size = sizeof(ctx->SegSs); return &ctx->SegSs;
    case CV_AMD64_DS: *size = sizeof(ctx->SegDs); return &ctx->SegDs;
    case CV_AMD64_FS: *size = sizeof(ctx->SegFs); return &ctx->SegFs;
    case CV_AMD64_GS: *size = sizeof(ctx->SegGs); return &ctx->SegGs;
 
    }
#endif
    FIXME("Unknown register %x\n", regno);
    return NULL;
}

x86_64_fetch_minidump_module()

static BOOL x86_64_fetch_minidump_module ( struct dump_context *  dc, unsigned  index, unsigned  flags  )

static

Definition at line 920 of file cpu_x86_64.c.

{
    /* FIXME: not sure about the flags... */
    if (1)
    {
        /* FIXME: crop values across module boundaries, */
#ifdef __x86_64__
        struct process*         pcs;
        struct module*          module;
        const RUNTIME_FUNCTION* rtf;
        ULONG                   size;
 
        if (!(pcs = process_find_by_handle(dc->process->handle)) ||
            !(module = module_find_by_addr(pcs, dc->modules[index].base, DMT_UNKNOWN)))
            return FALSE;
        rtf = (const RUNTIME_FUNCTION*)pe_map_directory(module, IMAGE_DIRECTORY_ENTRY_EXCEPTION, &size);
        if (rtf)
        {
            const RUNTIME_FUNCTION* end = (const RUNTIME_FUNCTION*)((const char*)rtf + size);
            UNWIND_INFO ui;
 
            while (rtf + 1 < end)
            {
                while (rtf->UnwindData & 1)  /* follow chained entry */
                {
                    FIXME("RunTime_Function outside IMAGE_DIRECTORY_ENTRY_EXCEPTION unimplemented yet!\n");
                    return FALSE;
                    /* we need to read into the other process */
                    /* rtf = (RUNTIME_FUNCTION*)(module->module.BaseOfImage + (rtf->UnwindData & ~1)); */
                }
                if (read_process_memory(dc->process, dc->modules[index].base + rtf->UnwindData, &ui, sizeof(ui)))
                    minidump_add_memory_block(dc, dc->modules[index].base + rtf->UnwindData,
                                              FIELD_OFFSET(UNWIND_INFO, UnwindCode) + ui.CountOfCodes * sizeof(UNWIND_CODE), 0);
                rtf++;
            }
        }
#endif
    }
 
    return TRUE;
}

x86_64_fetch_minidump_thread()

static BOOL x86_64_fetch_minidump_thread ( struct dump_context *  dc, unsigned  index, unsigned  flags, const CONTEXT *  ctx  )

static

Definition at line 906 of file cpu_x86_64.c.

{
    if (ctx->ContextFlags && (flags & ThreadWriteInstructionWindow))
    {
        /* FIXME: crop values across module boundaries, */
#ifdef __x86_64__
        ULONG64 base = ctx->Rip <= 0x80 ? 0 : ctx->Rip - 0x80;
        minidump_add_memory_block(dc, base, ctx->Rip + 0x80 - base, 0);
#endif
    }
 
    return TRUE;
}

x86_64_fetch_regname()

static const char * x86_64_fetch_regname ( unsigned  regno )

static

Definition at line 846 of file cpu_x86_64.c.

{
    switch (regno)
    {
    case CV_AMD64_RAX:          return "rax";
    case CV_AMD64_RDX:          return "rdx";
    case CV_AMD64_RCX:          return "rcx";
    case CV_AMD64_RBX:          return "rbx";
    case CV_AMD64_RSI:          return "rsi";
    case CV_AMD64_RDI:          return "rdi";
    case CV_AMD64_RBP:          return "rbp";
    case CV_AMD64_RSP:          return "rsp";
    case CV_AMD64_R8:           return "r8";
    case CV_AMD64_R9:           return "r9";
    case CV_AMD64_R10:          return "r10";
    case CV_AMD64_R11:          return "r11";
    case CV_AMD64_R12:          return "r12";
    case CV_AMD64_R13:          return "r13";
    case CV_AMD64_R14:          return "r14";
    case CV_AMD64_R15:          return "r15";
    case CV_AMD64_RIP:          return "rip";
 
    case CV_AMD64_XMM0 + 0:     return "xmm0";
    case CV_AMD64_XMM0 + 1:     return "xmm1";
    case CV_AMD64_XMM0 + 2:     return "xmm2";
    case CV_AMD64_XMM0 + 3:     return "xmm3";
    case CV_AMD64_XMM0 + 4:     return "xmm4";
    case CV_AMD64_XMM0 + 5:     return "xmm5";
    case CV_AMD64_XMM0 + 6:     return "xmm6";
    case CV_AMD64_XMM0 + 7:     return "xmm7";
    case CV_AMD64_XMM8 + 0:     return "xmm8";
    case CV_AMD64_XMM8 + 1:     return "xmm9";
    case CV_AMD64_XMM8 + 2:     return "xmm10";
    case CV_AMD64_XMM8 + 3:     return "xmm11";
    case CV_AMD64_XMM8 + 4:     return "xmm12";
    case CV_AMD64_XMM8 + 5:     return "xmm13";
    case CV_AMD64_XMM8 + 6:     return "xmm14";
    case CV_AMD64_XMM8 + 7:     return "xmm15";
 
    case CV_AMD64_ST0 + 0:      return "st0";
    case CV_AMD64_ST0 + 1:      return "st1";
    case CV_AMD64_ST0 + 2:      return "st2";
    case CV_AMD64_ST0 + 3:      return "st3";
    case CV_AMD64_ST0 + 4:      return "st4";
    case CV_AMD64_ST0 + 5:      return "st5";
    case CV_AMD64_ST0 + 6:      return "st6";
    case CV_AMD64_ST0 + 7:      return "st7";
 
    case CV_AMD64_EFLAGS:       return "eflags";
    case CV_AMD64_ES:           return "es";
    case CV_AMD64_CS:           return "cs";
    case CV_AMD64_SS:           return "ss";
    case CV_AMD64_DS:           return "ds";
    case CV_AMD64_FS:           return "fs";
    case CV_AMD64_GS:           return "gs";
    }
    FIXME("Unknown register %x\n", regno);
    return NULL;
}

x86_64_find_runtime_function()

static void * x86_64_find_runtime_function ( struct module *  module, DWORD64  addr  )

static

Definition at line 697 of file cpu_x86_64.c.

{
#ifdef __x86_64__
    RUNTIME_FUNCTION*   rtf;
    ULONG               size;
    int                 min, max;
 
    rtf = (RUNTIME_FUNCTION*)pe_map_directory(module, IMAGE_DIRECTORY_ENTRY_EXCEPTION, &size);
    if (rtf) for (min = 0, max = size / sizeof(*rtf); min <= max; )
    {
        int pos = (min + max) / 2;
        if (addr < module->module.BaseOfImage + rtf[pos].BeginAddress) max = pos - 1;
        else if (addr >= module->module.BaseOfImage + rtf[pos].EndAddress) min = pos + 1;
        else
        {
            rtf += pos;
            while (rtf->UnwindData & 1)  /* follow chained entry */
            {
                FIXME("RunTime_Function outside IMAGE_DIRECTORY_ENTRY_EXCEPTION unimplemented yet!\n");
                return NULL;
                /* we need to read into the other process */
                /* rtf = (RUNTIME_FUNCTION*)(module->module.BaseOfImage + (rtf->UnwindData & ~1)); */
            }
            return rtf;
        }
    }
#endif
    return NULL;
}

x86_64_get_addr()

static BOOL x86_64_get_addr ( HANDLE  hThread, const CONTEXT *  ctx, enum cpu_addr  ca, ADDRESS64 *  addr  )

static

Definition at line 79 of file cpu_x86_64.c.

{
    addr->Mode = AddrModeFlat;
    switch (ca)
    {
#ifdef __x86_64__
    case cpu_addr_pc:    addr->Segment = ctx->SegCs; addr->Offset = ctx->Rip; return TRUE;
    case cpu_addr_stack: addr->Segment = ctx->SegSs; addr->Offset = ctx->Rsp; return TRUE;
    case cpu_addr_frame: addr->Segment = ctx->SegSs; addr->Offset = ctx->Rbp; return TRUE;
#endif
    default: addr->Mode = -1;
        return FALSE;
    }
}

x86_64_map_dwarf_register()

static unsigned x86_64_map_dwarf_register ( unsigned  regno, const struct module *  module, BOOL  eh_frame  )

static

Definition at line 727 of file cpu_x86_64.c.

{
    unsigned    reg;
 
    if (regno >= 17 && regno <= 24)
        reg = CV_AMD64_XMM0 + regno - 17;
    else if (regno >= 25 && regno <= 32)
        reg = CV_AMD64_XMM8 + regno - 25;
    else if (regno >= 33 && regno <= 40)
        reg = CV_AMD64_ST0 + regno - 33;
    else switch (regno)
    {
    case  0: reg = CV_AMD64_RAX;    break;
    case  1: reg = CV_AMD64_RDX;    break;
    case  2: reg = CV_AMD64_RCX;    break;
    case  3: reg = CV_AMD64_RBX;    break;
    case  4: reg = CV_AMD64_RSI;    break;
    case  5: reg = CV_AMD64_RDI;    break;
    case  6: reg = CV_AMD64_RBP;    break;
    case  7: reg = CV_AMD64_RSP;    break;
    case  8: reg = CV_AMD64_R8;     break;
    case  9: reg = CV_AMD64_R9;     break;
    case 10: reg = CV_AMD64_R10;    break;
    case 11: reg = CV_AMD64_R11;    break;
    case 12: reg = CV_AMD64_R12;    break;
    case 13: reg = CV_AMD64_R13;    break;
    case 14: reg = CV_AMD64_R14;    break;
    case 15: reg = CV_AMD64_R15;    break;
    case 16: reg = CV_AMD64_RIP;    break;
    case 49: reg = CV_AMD64_EFLAGS; break;
    case 50: reg = CV_AMD64_ES;     break;
    case 51: reg = CV_AMD64_CS;     break;
    case 52: reg = CV_AMD64_SS;     break;
    case 53: reg = CV_AMD64_DS;     break;
    case 54: reg = CV_AMD64_FS;     break;
    case 55: reg = CV_AMD64_GS;     break;
    case 62: reg = CV_AMD64_TR;     break;
    case 63: reg = CV_AMD64_LDTR;   break;
    case 64: reg = CV_AMD64_MXCSR;  break;
    case 65: reg = CV_AMD64_CTRL;   break;
    case 66: reg = CV_AMD64_STAT;   break;
/*
 * 56-57 reserved
 * 58 %fs.base
 * 59 %gs.base
 * 60-61 reserved
 */
    default:
        FIXME("Don't know how to map register %d\n", regno);
        return 0;
    }
    return reg;
}

x86_64_stack_walk()

static BOOL x86_64_stack_walk ( struct cpu_stack_walk *  csw, STACKFRAME64 *  frame, union ctx *  ctx  )

static

Definition at line 690 of file cpu_x86_64.c.

{
    return FALSE;
}

Variable Documentation

cpu_x86_64

DECLSPEC_HIDDEN struct cpu cpu_x86_64

Initial value:

= {
    IMAGE_FILE_MACHINE_AMD64,
    8,
    CV_AMD64_RSP,
    x86_64_get_addr,
    x86_64_stack_walk,
    x86_64_find_runtime_function,
    x86_64_map_dwarf_register,
    x86_64_fetch_context_reg,
    x86_64_fetch_regname,
    x86_64_fetch_minidump_thread,
    x86_64_fetch_minidump_module,
}

Definition at line 962 of file cpu_x86_64.c.