754 lines
24 KiB
C
754 lines
24 KiB
C
/*
|
|
* Debugger memory handling
|
|
*
|
|
* Copyright 1993 Eric Youngdale
|
|
* Copyright 1995 Alexandre Julliard
|
|
* Copyright 2000-2005 Eric Pouech
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "debugger.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
|
|
|
|
void* be_cpu_linearize(HANDLE hThread, const ADDRESS64* addr)
|
|
{
|
|
assert(addr->Mode == AddrModeFlat);
|
|
return (void*)(DWORD_PTR)addr->Offset;
|
|
}
|
|
|
|
BOOL be_cpu_build_addr(HANDLE hThread, const dbg_ctx_t *ctx, ADDRESS64* addr,
|
|
unsigned seg, DWORD64 offset)
|
|
{
|
|
addr->Mode = AddrModeFlat;
|
|
addr->Segment = 0; /* don't need segment */
|
|
addr->Offset = offset;
|
|
return TRUE;
|
|
}
|
|
|
|
void* memory_to_linear_addr(const ADDRESS64* addr)
|
|
{
|
|
return dbg_curr_process->be_cpu->linearize(dbg_curr_thread->handle, addr);
|
|
}
|
|
|
|
BOOL memory_get_current_pc(ADDRESS64* addr)
|
|
{
|
|
assert(dbg_curr_process->be_cpu->get_addr);
|
|
return dbg_curr_process->be_cpu->get_addr(dbg_curr_thread->handle, &dbg_context,
|
|
be_cpu_addr_pc, addr);
|
|
}
|
|
|
|
BOOL memory_get_current_stack(ADDRESS64* addr)
|
|
{
|
|
assert(dbg_curr_process->be_cpu->get_addr);
|
|
return dbg_curr_process->be_cpu->get_addr(dbg_curr_thread->handle, &dbg_context,
|
|
be_cpu_addr_stack, addr);
|
|
}
|
|
|
|
static void memory_report_invalid_addr(const void* addr)
|
|
{
|
|
ADDRESS64 address;
|
|
|
|
address.Mode = AddrModeFlat;
|
|
address.Segment = 0;
|
|
address.Offset = (ULONG_PTR)addr;
|
|
dbg_printf("*** Invalid address ");
|
|
print_address(&address, FALSE);
|
|
dbg_printf(" ***\n");
|
|
}
|
|
|
|
/***********************************************************************
|
|
* memory_read_value
|
|
*
|
|
* Read a memory value.
|
|
*/
|
|
BOOL memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result)
|
|
{
|
|
BOOL ret = FALSE;
|
|
|
|
if (lvalue->in_debuggee)
|
|
{
|
|
void* linear = memory_to_linear_addr(&lvalue->addr);
|
|
if (!(ret = dbg_read_memory(linear, result, size)))
|
|
memory_report_invalid_addr(linear);
|
|
}
|
|
else
|
|
{
|
|
if (lvalue->addr.Offset)
|
|
{
|
|
memcpy(result, (void*)(DWORD_PTR)lvalue->addr.Offset, size);
|
|
ret = TRUE;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* memory_write_value
|
|
*
|
|
* Store a value in memory.
|
|
*/
|
|
BOOL memory_write_value(const struct dbg_lvalue* lvalue, DWORD size, void* value)
|
|
{
|
|
BOOL ret = TRUE;
|
|
DWORD64 os;
|
|
|
|
if (!types_get_info(&lvalue->type, TI_GET_LENGTH, &os)) return FALSE;
|
|
if (size != os)
|
|
{
|
|
dbg_printf("Size mismatch in memory_write_value, got %u from type while expecting %u\n",
|
|
(DWORD)os, size);
|
|
return FALSE;
|
|
}
|
|
|
|
/* FIXME: only works on little endian systems */
|
|
if (lvalue->in_debuggee)
|
|
{
|
|
void* linear = memory_to_linear_addr(&lvalue->addr);
|
|
if (!(ret = dbg_write_memory(linear, value, size)))
|
|
memory_report_invalid_addr(linear);
|
|
}
|
|
else
|
|
{
|
|
memcpy((void*)(DWORD_PTR)lvalue->addr.Offset, value, size);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* memory_examine
|
|
*
|
|
* Implementation of the 'x' command.
|
|
*/
|
|
void memory_examine(const struct dbg_lvalue *lvalue, int count, char format)
|
|
{
|
|
int i;
|
|
char buffer[256];
|
|
ADDRESS64 addr;
|
|
void *linear;
|
|
|
|
types_extract_as_address(lvalue, &addr);
|
|
linear = memory_to_linear_addr(&addr);
|
|
|
|
if (format != 'i' && count > 1)
|
|
{
|
|
print_address(&addr, FALSE);
|
|
dbg_printf(": ");
|
|
}
|
|
|
|
switch (format)
|
|
{
|
|
case 'u':
|
|
if (count == 1) count = 256;
|
|
memory_get_string(dbg_curr_process, linear,
|
|
TRUE, TRUE, buffer, min(count, sizeof(buffer)));
|
|
dbg_printf("%s\n", buffer);
|
|
return;
|
|
case 's':
|
|
if (count == 1) count = 256;
|
|
memory_get_string(dbg_curr_process, linear,
|
|
TRUE, FALSE, buffer, min(count, sizeof(buffer)));
|
|
dbg_printf("%s\n", buffer);
|
|
return;
|
|
case 'i':
|
|
while (count-- && memory_disasm_one_insn(&addr));
|
|
return;
|
|
case 'g':
|
|
while (count--)
|
|
{
|
|
GUID guid;
|
|
if (!dbg_read_memory(linear, &guid, sizeof(guid)))
|
|
{
|
|
memory_report_invalid_addr(linear);
|
|
break;
|
|
}
|
|
dbg_printf("{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\n",
|
|
guid.Data1, guid.Data2, guid.Data3,
|
|
guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3],
|
|
guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);
|
|
linear = (char*)linear + sizeof(guid);
|
|
addr.Offset += sizeof(guid);
|
|
if (count)
|
|
{
|
|
print_address(&addr, FALSE);
|
|
dbg_printf(": ");
|
|
}
|
|
}
|
|
return;
|
|
|
|
#define DO_DUMP2(_t,_l,_f,_vv) { \
|
|
_t _v; \
|
|
for (i = 0; i < count; i++) { \
|
|
if (!dbg_read_memory(linear, &_v, sizeof(_t))) \
|
|
{ memory_report_invalid_addr(linear); break; } \
|
|
dbg_printf(_f, (_vv)); \
|
|
addr.Offset += sizeof(_t); \
|
|
linear = (char*)linear + sizeof(_t); \
|
|
if ((i % (_l)) == (_l) - 1 && i != count - 1) \
|
|
{ \
|
|
dbg_printf("\n"); \
|
|
print_address(&addr, FALSE); \
|
|
dbg_printf(": "); \
|
|
} \
|
|
} \
|
|
dbg_printf("\n"); \
|
|
}
|
|
#define DO_DUMP(_t,_l,_f) DO_DUMP2(_t,_l,_f,_v)
|
|
|
|
case 'x': DO_DUMP(int, 4, " %8.8x"); break;
|
|
case 'd': DO_DUMP(unsigned int, 4, " %4.4d"); break;
|
|
case 'w': DO_DUMP(unsigned short, 8, " %04x"); break;
|
|
case 'a':
|
|
if (sizeof(DWORD_PTR) == 4)
|
|
{
|
|
DO_DUMP(DWORD_PTR, 4, " %8.8Ix");
|
|
}
|
|
else
|
|
{
|
|
DO_DUMP(DWORD_PTR, 2, " %16.16Ix");
|
|
}
|
|
break;
|
|
case 'c': DO_DUMP2(char, 32, " %c", (_v < 0x20) ? ' ' : _v); break;
|
|
case 'b': DO_DUMP2(char, 16, " %02x", (_v) & 0xff); break;
|
|
}
|
|
}
|
|
|
|
BOOL memory_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
|
|
BOOL is_signed, dbg_lgint_t* ret)
|
|
{
|
|
/* size must fit in ret and be a power of two */
|
|
if (size > sizeof(*ret) || (size & (size - 1))) return FALSE;
|
|
|
|
if (lvalue->bitlen)
|
|
{
|
|
struct dbg_lvalue alt_lvalue = *lvalue;
|
|
dbg_lguint_t mask;
|
|
DWORD bt;
|
|
/* FIXME: this test isn't sufficient, depending on start of bitfield
|
|
* (ie a 64 bit field can spread across 9 bytes)
|
|
*/
|
|
if (lvalue->bitlen > 8 * sizeof(dbg_lgint_t)) return FALSE;
|
|
alt_lvalue.addr.Offset += lvalue->bitstart >> 3;
|
|
/*
|
|
* Bitfield operation. We have to extract the field.
|
|
*/
|
|
if (!memory_read_value(&alt_lvalue, sizeof(*ret), ret)) return FALSE;
|
|
mask = ~(dbg_lguint_t)0 << lvalue->bitlen;
|
|
*ret >>= lvalue->bitstart & 7;
|
|
*ret &= ~mask;
|
|
|
|
/*
|
|
* OK, now we have the correct part of the number.
|
|
* Check to see whether the basic type is signed or not, and if so,
|
|
* we need to sign extend the number.
|
|
*/
|
|
if (types_get_info(&lvalue->type, TI_GET_BASETYPE, &bt) &&
|
|
(bt == btInt || bt == btLong) && (*ret & (1 << (lvalue->bitlen - 1))))
|
|
{
|
|
*ret |= mask;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* we are on little endian CPU */
|
|
memset(ret, 0, sizeof(*ret)); /* clear unread bytes */
|
|
if (!memory_read_value(lvalue, size, ret)) return FALSE;
|
|
|
|
/* propagate sign information */
|
|
if (is_signed && size < 8 && (*ret >> (size * 8 - 1)) != 0)
|
|
{
|
|
dbg_lguint_t neg = -1;
|
|
*ret |= neg << (size * 8);
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL memory_store_integer(const struct dbg_lvalue* lvalue, dbg_lgint_t val)
|
|
{
|
|
DWORD64 size;
|
|
if (!types_get_info(&lvalue->type, TI_GET_LENGTH, &size)) return FALSE;
|
|
/* this is simple if we're on a little endian CPU */
|
|
return memory_write_value(lvalue, (unsigned)size, &val);
|
|
}
|
|
|
|
|
|
BOOL memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee,
|
|
BOOL unicode, char* buffer, int size)
|
|
{
|
|
SIZE_T sz;
|
|
WCHAR* buffW;
|
|
|
|
buffer[0] = 0;
|
|
if (!addr) return FALSE;
|
|
if (in_debuggee)
|
|
{
|
|
BOOL ret;
|
|
|
|
if (!unicode) ret = pcs->process_io->read(pcs->handle, addr, buffer, size, &sz);
|
|
else
|
|
{
|
|
buffW = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
|
|
ret = pcs->process_io->read(pcs->handle, addr, buffW, size * sizeof(WCHAR), &sz);
|
|
WideCharToMultiByte(CP_ACP, 0, buffW, sz / sizeof(WCHAR), buffer, size,
|
|
NULL, NULL);
|
|
HeapFree(GetProcessHeap(), 0, buffW);
|
|
}
|
|
if (size) buffer[size-1] = 0;
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
lstrcpynA(buffer, addr, size);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL memory_get_string_indirect(struct dbg_process* pcs, void* addr, BOOL unicode, WCHAR* buffer, int size)
|
|
{
|
|
void* ad = 0;
|
|
SIZE_T sz;
|
|
|
|
buffer[0] = 0;
|
|
if (addr &&
|
|
pcs->process_io->read(pcs->handle, addr, &ad, pcs->be_cpu->pointer_size, &sz) && sz == pcs->be_cpu->pointer_size && ad)
|
|
{
|
|
LPSTR buff;
|
|
BOOL ret;
|
|
|
|
if (unicode)
|
|
ret = pcs->process_io->read(pcs->handle, ad, buffer, size * sizeof(WCHAR), &sz) && sz != 0;
|
|
else
|
|
{
|
|
if ((buff = HeapAlloc(GetProcessHeap(), 0, size)))
|
|
{
|
|
ret = pcs->process_io->read(pcs->handle, ad, buff, size, &sz) && sz != 0;
|
|
MultiByteToWideChar(CP_ACP, 0, buff, sz, buffer, size);
|
|
HeapFree(GetProcessHeap(), 0, buff);
|
|
}
|
|
else ret = FALSE;
|
|
}
|
|
if (size) buffer[size-1] = 0;
|
|
return ret;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Convert an address offset to hex string. If mode == 32, treat offset as
|
|
* 32 bits (discard upper 32 bits), if mode == 64 use all 64 bits, if mode == 0
|
|
* treat as either 32 or 64 bits, depending on whether we're running as
|
|
* Wine32 or Wine64.
|
|
*/
|
|
char* memory_offset_to_string(char *str, DWORD64 offset, unsigned mode)
|
|
{
|
|
if (mode != 32 && mode != 64)
|
|
{
|
|
#ifdef _WIN64
|
|
mode = 64;
|
|
#else
|
|
mode = 32;
|
|
#endif
|
|
}
|
|
|
|
if (mode == 32)
|
|
sprintf(str, "0x%08x", (unsigned int) offset);
|
|
else
|
|
sprintf(str, "0x%08x%08x", (unsigned int)(offset >> 32),
|
|
(unsigned int)offset);
|
|
|
|
return str;
|
|
}
|
|
|
|
static void dbg_print_sdecimal(dbg_lgint_t sv)
|
|
{
|
|
dbg_printf("%I64d", sv);
|
|
}
|
|
|
|
static void dbg_print_hex(DWORD size, dbg_lgint_t sv)
|
|
{
|
|
if (!sv)
|
|
dbg_printf("0");
|
|
else
|
|
/* clear unneeded high bits, esp. sign extension */
|
|
dbg_printf("%#I64x", sv & (~(dbg_lguint_t)0 >> (8 * (sizeof(dbg_lgint_t) - size))));
|
|
}
|
|
|
|
static void print_typed_basic(const struct dbg_lvalue* lvalue)
|
|
{
|
|
dbg_lgint_t val_int;
|
|
void* val_ptr;
|
|
double val_real;
|
|
DWORD64 size64;
|
|
DWORD tag, size, count, bt;
|
|
struct dbg_type type = lvalue->type;
|
|
struct dbg_type sub_type;
|
|
struct dbg_lvalue sub_lvalue;
|
|
|
|
if (!types_get_real_type(&type, &tag)) return;
|
|
|
|
switch (tag)
|
|
{
|
|
case SymTagBaseType:
|
|
if (!types_get_info(&type, TI_GET_LENGTH, &size64) ||
|
|
!types_get_info(&type, TI_GET_BASETYPE, &bt))
|
|
{
|
|
WINE_ERR("Couldn't get information\n");
|
|
RaiseException(DEBUG_STATUS_INTERNAL_ERROR, 0, 0, NULL);
|
|
return;
|
|
}
|
|
size = (DWORD)size64;
|
|
switch (bt)
|
|
{
|
|
case btInt:
|
|
case btLong:
|
|
if (!memory_fetch_integer(lvalue, size, TRUE, &val_int)) return;
|
|
if (size == 1) goto print_char;
|
|
dbg_print_hex(size, val_int);
|
|
break;
|
|
case btUInt:
|
|
case btULong:
|
|
if (!memory_fetch_integer(lvalue, size, FALSE, &val_int)) return;
|
|
dbg_print_hex(size, val_int);
|
|
break;
|
|
case btFloat:
|
|
if (!dbg_curr_process->be_cpu->fetch_float(lvalue, size, &val_real)) return;
|
|
dbg_printf("%f", val_real);
|
|
break;
|
|
case btChar:
|
|
case btWChar:
|
|
/* sometimes WCHAR is defined as btChar with size = 2, so discrimate
|
|
* Ansi/Unicode based on size, not on basetype
|
|
*/
|
|
if (!memory_fetch_integer(lvalue, size, TRUE, &val_int)) return;
|
|
print_char:
|
|
if ((size == 1 && isprint((char)val_int)) ||
|
|
(size == 2 && val_int < 127 && isprint((char)val_int)))
|
|
dbg_printf("'%c'", (char)val_int);
|
|
else
|
|
dbg_printf("%d", (int)val_int);
|
|
break;
|
|
case btBool:
|
|
if (!memory_fetch_integer(lvalue, size, TRUE, &val_int)) return;
|
|
dbg_printf("%s", val_int ? "true" : "false");
|
|
break;
|
|
default:
|
|
WINE_FIXME("Unsupported basetype %u\n", bt);
|
|
break;
|
|
}
|
|
break;
|
|
case SymTagPointerType:
|
|
if (!types_array_index(lvalue, 0, &sub_lvalue))
|
|
{
|
|
dbg_printf("Internal symbol error: unable to access memory location %p",
|
|
memory_to_linear_addr(&lvalue->addr));
|
|
break;
|
|
}
|
|
val_ptr = memory_to_linear_addr(&sub_lvalue.addr);
|
|
if (types_get_real_type(&sub_lvalue.type, &tag) && tag == SymTagBaseType &&
|
|
types_get_info(&sub_lvalue.type, TI_GET_BASETYPE, &bt) &&
|
|
types_get_info(&sub_lvalue.type, TI_GET_LENGTH, &size64))
|
|
{
|
|
char buffer[1024];
|
|
|
|
if (!val_ptr) dbg_printf("0x0");
|
|
else if (((bt == btChar || bt == btInt) && size64 == 1) || (bt == btUInt && size64 == 2))
|
|
{
|
|
if (memory_get_string(dbg_curr_process, val_ptr, sub_lvalue.in_debuggee,
|
|
size64 == 2, buffer, sizeof(buffer)))
|
|
dbg_printf("\"%s\"", buffer);
|
|
else
|
|
dbg_printf("*** invalid address %p ***", val_ptr);
|
|
break;
|
|
}
|
|
}
|
|
dbg_printf("%p", val_ptr);
|
|
break;
|
|
case SymTagArrayType:
|
|
case SymTagUDT:
|
|
if (!memory_read_value(lvalue, sizeof(val_ptr), &val_ptr)) return;
|
|
dbg_printf("%p", val_ptr);
|
|
break;
|
|
case SymTagEnum:
|
|
{
|
|
BOOL ok = FALSE;
|
|
|
|
if (!types_get_info(&type, TI_GET_LENGTH, &size64) ||
|
|
!memory_fetch_integer(lvalue, size64, TRUE, &val_int)) return;
|
|
|
|
if (types_get_info(&type, TI_GET_CHILDRENCOUNT, &count))
|
|
{
|
|
char buffer[sizeof(TI_FINDCHILDREN_PARAMS) + 256 * sizeof(DWORD)];
|
|
TI_FINDCHILDREN_PARAMS* fcp = (TI_FINDCHILDREN_PARAMS*)buffer;
|
|
WCHAR* ptr;
|
|
VARIANT variant;
|
|
int i;
|
|
|
|
fcp->Start = 0;
|
|
while (count)
|
|
{
|
|
fcp->Count = min(count, 256);
|
|
if (types_get_info(&type, TI_FINDCHILDREN, fcp))
|
|
{
|
|
sub_type.module = type.module;
|
|
for (i = 0; i < min(fcp->Count, count); i++)
|
|
{
|
|
sub_type.id = fcp->ChildId[i];
|
|
if (!types_get_info(&sub_type, TI_GET_VALUE, &variant))
|
|
continue;
|
|
switch (V_VT(&variant))
|
|
{
|
|
case VT_I1: ok = (val_int == V_I1(&variant)); break;
|
|
case VT_I2: ok = (val_int == V_I2(&variant)); break;
|
|
case VT_I4: ok = (val_int == V_I4(&variant)); break;
|
|
case VT_I8: ok = (val_int == V_I8(&variant)); break;
|
|
default: WINE_FIXME("Unsupported variant type (%u)\n", V_VT(&variant));
|
|
}
|
|
if (ok && types_get_info(&sub_type, TI_GET_SYMNAME, &ptr) && ptr)
|
|
{
|
|
dbg_printf("%ls", ptr);
|
|
HeapFree(GetProcessHeap(), 0, ptr);
|
|
count = 0; /* so that we'll get away from outer loop */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
count -= min(count, 256);
|
|
fcp->Start += 256;
|
|
}
|
|
}
|
|
if (!ok) dbg_print_sdecimal(val_int);
|
|
}
|
|
break;
|
|
default:
|
|
WINE_FIXME("Unsupported tag %u\n", tag);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* print_basic
|
|
*
|
|
* Implementation of the 'print' command.
|
|
*/
|
|
void print_basic(const struct dbg_lvalue* lvalue, char format)
|
|
{
|
|
if (lvalue->type.id == dbg_itype_none)
|
|
{
|
|
dbg_printf("Unable to evaluate expression\n");
|
|
return;
|
|
}
|
|
|
|
if (format != 0)
|
|
{
|
|
unsigned size;
|
|
dbg_lgint_t res = types_extract_as_lgint(lvalue, &size, NULL);
|
|
WCHAR wch;
|
|
|
|
switch (format)
|
|
{
|
|
case 'x':
|
|
dbg_print_hex(size, res);
|
|
return;
|
|
|
|
case 'd':
|
|
dbg_print_sdecimal(res);
|
|
return;
|
|
|
|
case 'c':
|
|
dbg_printf("%d = '%c'", (char)(res & 0xff), (char)(res & 0xff));
|
|
return;
|
|
|
|
case 'u':
|
|
wch = (WCHAR)(res & 0xFFFF);
|
|
dbg_printf("%d = '", wch);
|
|
dbg_outputW(&wch, 1);
|
|
dbg_printf("'");
|
|
return;
|
|
|
|
case 'i':
|
|
case 's':
|
|
case 'w':
|
|
case 'b':
|
|
dbg_printf("Format specifier '%c' is meaningless in 'print' command\n", format);
|
|
}
|
|
}
|
|
if (lvalue->type.id == dbg_itype_segptr)
|
|
{
|
|
dbg_print_sdecimal(types_extract_as_lgint(lvalue, NULL, NULL));
|
|
}
|
|
else print_typed_basic(lvalue);
|
|
}
|
|
|
|
void print_bare_address(const ADDRESS64* addr)
|
|
{
|
|
char hexbuf[MAX_OFFSET_TO_STR_LEN];
|
|
|
|
switch (addr->Mode)
|
|
{
|
|
case AddrModeFlat:
|
|
dbg_printf("%s", memory_offset_to_string(hexbuf, addr->Offset, 0));
|
|
break;
|
|
case AddrModeReal:
|
|
case AddrMode1616:
|
|
dbg_printf("0x%04x:0x%04x", addr->Segment, (unsigned) addr->Offset);
|
|
break;
|
|
case AddrMode1632:
|
|
dbg_printf("0x%04x:%s", addr->Segment,
|
|
memory_offset_to_string(hexbuf, addr->Offset, 32));
|
|
break;
|
|
default:
|
|
dbg_printf("Unknown mode %x", addr->Mode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* print_address
|
|
*
|
|
* Print an 16- or 32-bit address, with the nearest symbol if any.
|
|
*/
|
|
void print_address(const ADDRESS64* addr, BOOLEAN with_line)
|
|
{
|
|
char buffer[sizeof(SYMBOL_INFO) + 256];
|
|
SYMBOL_INFO* si = (SYMBOL_INFO*)buffer;
|
|
DWORD_PTR lin = (DWORD_PTR)memory_to_linear_addr(addr);
|
|
DWORD64 disp64;
|
|
DWORD disp;
|
|
IMAGEHLP_MODULE im;
|
|
|
|
print_bare_address(addr);
|
|
|
|
si->SizeOfStruct = sizeof(*si);
|
|
si->MaxNameLen = 256;
|
|
im.SizeOfStruct = 0;
|
|
if (SymFromAddr(dbg_curr_process->handle, lin, &disp64, si) && disp64 < si->Size)
|
|
{
|
|
dbg_printf(" %s", si->Name);
|
|
if (disp64) dbg_printf("+0x%I64x", disp64);
|
|
}
|
|
else
|
|
{
|
|
im.SizeOfStruct = sizeof(im);
|
|
if (!SymGetModuleInfo(dbg_curr_process->handle, lin, &im)) return;
|
|
dbg_printf(" %s", im.ModuleName);
|
|
if (lin > im.BaseOfImage)
|
|
dbg_printf("+0x%Ix", lin - im.BaseOfImage);
|
|
}
|
|
if (with_line)
|
|
{
|
|
IMAGEHLP_LINE64 il;
|
|
|
|
il.SizeOfStruct = sizeof(il);
|
|
if (SymGetLineFromAddr64(dbg_curr_process->handle, lin, &disp, &il))
|
|
dbg_printf(" [%s:%u]", il.FileName, il.LineNumber);
|
|
if (im.SizeOfStruct == 0) /* don't display again module if address is in module+disp form */
|
|
{
|
|
im.SizeOfStruct = sizeof(im);
|
|
if (SymGetModuleInfo(dbg_curr_process->handle, lin, &im))
|
|
dbg_printf(" in %s", im.ModuleName);
|
|
}
|
|
}
|
|
}
|
|
|
|
BOOL memory_disasm_one_insn(ADDRESS64* addr)
|
|
{
|
|
char ch;
|
|
|
|
print_address(addr, TRUE);
|
|
dbg_printf(": ");
|
|
if (!dbg_read_memory(memory_to_linear_addr(addr), &ch, sizeof(ch)))
|
|
{
|
|
dbg_printf("-- no code accessible --\n");
|
|
return FALSE;
|
|
}
|
|
dbg_curr_process->be_cpu->disasm_one_insn(addr, TRUE);
|
|
dbg_printf("\n");
|
|
return TRUE;
|
|
}
|
|
|
|
void memory_disassemble(const struct dbg_lvalue* xstart,
|
|
const struct dbg_lvalue* xend, int instruction_count)
|
|
{
|
|
static ADDRESS64 last = {0,0,0};
|
|
int stop = 0;
|
|
int i;
|
|
|
|
if (!xstart && !xend)
|
|
{
|
|
if (!last.Segment && !last.Offset) memory_get_current_pc(&last);
|
|
}
|
|
else
|
|
{
|
|
if (xstart)
|
|
types_extract_as_address(xstart, &last);
|
|
if (xend)
|
|
stop = types_extract_as_integer(xend);
|
|
}
|
|
for (i = 0; (instruction_count == 0 || i < instruction_count) &&
|
|
(stop == 0 || last.Offset <= stop); i++)
|
|
memory_disasm_one_insn(&last);
|
|
}
|
|
|
|
BOOL memory_get_register(DWORD regno, DWORD_PTR** value, char* buffer, int len)
|
|
{
|
|
const struct dbg_internal_var* div;
|
|
|
|
/* negative register values are wine's dbghelp hacks
|
|
* see dlls/dbghelp/dbghelp_private.h for the details
|
|
*/
|
|
switch (regno)
|
|
{
|
|
case -1:
|
|
if (buffer) snprintf(buffer, len, "<internal error>");
|
|
return FALSE;
|
|
case -2:
|
|
if (buffer) snprintf(buffer, len, "<couldn't compute location>");
|
|
return FALSE;
|
|
case -3:
|
|
if (buffer) snprintf(buffer, len, "<is not available>");
|
|
return FALSE;
|
|
case -4:
|
|
if (buffer) snprintf(buffer, len, "<couldn't read memory>");
|
|
return FALSE;
|
|
case -5:
|
|
if (buffer) snprintf(buffer, len, "<has been optimized away by compiler>");
|
|
return FALSE;
|
|
}
|
|
|
|
for (div = dbg_curr_process->be_cpu->context_vars; div->name; div++)
|
|
{
|
|
if (div->val == regno)
|
|
{
|
|
if (!stack_get_register_frame(div, value))
|
|
{
|
|
if (buffer) snprintf(buffer, len, "<register %s not accessible in this frame>", div->name);
|
|
return FALSE;
|
|
}
|
|
|
|
if (buffer) lstrcpynA(buffer, div->name, len);
|
|
return TRUE;
|
|
}
|
|
}
|
|
if (buffer) snprintf(buffer, len, "<unknown register %u>", regno);
|
|
return FALSE;
|
|
}
|