GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "windows-nat.h"
#include "x86-nat.h"
#include "i386-tdep.h"
#include <windows.h>
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] =
{
context_offset (Eax),
context_offset (Ecx),
context_offset (Edx),
context_offset (Ebx),
context_offset (Esp),
context_offset (Ebp),
context_offset (Esi),
context_offset (Edi),
context_offset (Eip),
context_offset (EFlags),
context_offset (SegCs),
context_offset (SegSs),
context_offset (SegDs),
context_offset (SegEs),
context_offset (SegFs),
context_offset (SegGs),
th->context.ContextFlags = \
CONTEXT_FULL | \
CONTEXT_FLOATING_POINT;
GetThreadContext (th->h, &th->context);
}
static void
arm_set_thread_context (win32_thread_info *th, DEBUG_EVENT* current_event)
{
SetThreadContext (th->h, &th->context);
}
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] = {
context_offset (R0),
context_offset (R1),
context_offset (R2),
context_offset (R3),
context_offset (R4),
context_offset (R5),
context_offset (R6),
context_offset (R7),
context_offset (R8),
context_offset (R9),
context_offset (R10),
context_offset (R11),
context_offset (R12),
context_offset (Sp),
context_offset (Lr),
context_offset (Pc),
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "windows-nat.h"
#include "i386-nat.h"
#include <windows.h>
#define context_offset(x) (offsetof (CONTEXT, x))
static const int mappings[] =
{
context_offset (Rax),
context_offset (Rbx),
context_offset (Rcx),
context_offset (Rdx),
context_offset (Rsi),
context_offset (Rdi),
context_offset (Rbp),
context_offset (Rsp),
context_offset (R8),
context_offset (R9),
context_offset (R10),
context_offset (R11),
context_offset (R12),
context_offset (R13),
context_offset (R14),
context_offset (R15),
{
th->context.EFlags |= FLAG_TRACE_BIT;
}
#ifndef __x86_64__
/* An array of offset mappings into a Win32 Context structure.
This is a one-to-one mapping which is indexed by gdb's register
numbers. It retrieves an offset into the context structure where
the 4 byte register is located.
An offset value of -1 indicates that Win32 does not provide this
register in it's CONTEXT structure. In this case regptr will return
a pointer into a dummy register. */
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] = {
context_offset (Eax),
context_offset (Ecx),
context_offset (Edx),
context_offset (Ebx),
context_offset (Esp),
context_offset (Ebp),
context_offset (Esi),
context_offset (Edi),
context_offset (Eip),
context_offset (EFlags),
context_offset (SegCs),
context_offset (SegSs),
context_offset (SegDs),
context_offset (SegEs),
context_offset (SegFs),
context_offset (SegGs),
namespace gdb {
#ifndef __x86_64__
/* An array of offset mappings into a Win32 Context structure.
This is a one-to-one mapping which is indexed by gdb's register
numbers. It retrieves an offset into the context structure where
the 4 byte register is located.
An offset value of -1 indicates that Win32 does not provide this
register in it's CONTEXT structure. In this case regptr will return
a pointer into a dummy register. */
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] = {
context_offset(Eax),
context_offset(Ecx),
context_offset(Edx),
context_offset(Ebx),
context_offset(Esp),
context_offset(Ebp),
context_offset(Esi),
context_offset(Edi),
context_offset(Eip),
context_offset(EFlags),
context_offset(SegCs),
context_offset(SegSs),
context_offset(SegDs),
context_offset(SegEs),
context_offset(SegFs),
context_offset(SegGs),
context_offset(FloatSave.RegisterArea[0 * 10]),
context_offset(FloatSave.RegisterArea[1 * 10]),
context_offset(FloatSave.RegisterArea[2 * 10]),
context_offset(FloatSave.RegisterArea[3 * 10]),
context_offset(FloatSave.RegisterArea[4 * 10]),
context_offset(FloatSave.RegisterArea[5 * 10]),
context_offset(FloatSave.RegisterArea[6 * 10]),
context_offset(FloatSave.RegisterArea[7 * 10]),
context_offset(FloatSave.ControlWord),
context_offset(FloatSave.StatusWord),
context_offset(FloatSave.TagWord),
context_offset(FloatSave.ErrorSelector),
context_offset(FloatSave.ErrorOffset),
context_offset(FloatSave.DataSelector),
context_offset(FloatSave.DataOffset),
context_offset(FloatSave.ErrorSelector),
/* XMM0-7 */
context_offset(ExtendedRegisters[10 * 16]),
context_offset(ExtendedRegisters[11 * 16]),
context_offset(ExtendedRegisters[12 * 16]),
context_offset(ExtendedRegisters[13 * 16]),
context_offset(ExtendedRegisters[14 * 16]),
context_offset(ExtendedRegisters[15 * 16]),
context_offset(ExtendedRegisters[16 * 16]),
context_offset(ExtendedRegisters[17 * 16]),
/* MXCSR */
context_offset(ExtendedRegisters[24])
};
#undef context_offset
#else /* __x86_64__ */
#define context_offset(x) (offsetof (CONTEXT, x))
static const int mappings[] =
{
context_offset(Rax),
context_offset(Rbx),
context_offset(Rcx),
context_offset(Rdx),
context_offset(Rsi),
context_offset(Rdi),
context_offset(Rbp),
context_offset(Rsp),
context_offset(R8),
context_offset(R9),
context_offset(R10),
context_offset(R11),
context_offset(R12),
context_offset(R13),
context_offset(R14),
context_offset(R15),
context_offset(Rip),
context_offset(EFlags),
context_offset(SegCs),
context_offset(SegSs),
context_offset(SegDs),
context_offset(SegEs),
context_offset(SegFs),
context_offset(SegGs),
context_offset(FloatSave.FloatRegisters[0]),
context_offset(FloatSave.FloatRegisters[1]),
context_offset(FloatSave.FloatRegisters[2]),
context_offset(FloatSave.FloatRegisters[3]),
context_offset(FloatSave.FloatRegisters[4]),
context_offset(FloatSave.FloatRegisters[5]),
context_offset(FloatSave.FloatRegisters[6]),
context_offset(FloatSave.FloatRegisters[7]),
context_offset(FloatSave.ControlWord),
context_offset(FloatSave.StatusWord),
context_offset(FloatSave.TagWord),
context_offset(FloatSave.ErrorSelector),
context_offset(FloatSave.ErrorOffset),
context_offset(FloatSave.DataSelector),
context_offset(FloatSave.DataOffset),
context_offset(FloatSave.ErrorSelector)
/* XMM0-7 */,
context_offset(Xmm0),
context_offset(Xmm1),
context_offset(Xmm2),
context_offset(Xmm3),
context_offset(Xmm4),
context_offset(Xmm5),
context_offset(Xmm6),
context_offset(Xmm7),
context_offset(Xmm8),
context_offset(Xmm9),
context_offset(Xmm10),
context_offset(Xmm11),
context_offset(Xmm12),
context_offset(Xmm13),
context_offset(Xmm14),
context_offset(Xmm15),
/* MXCSR */
context_offset(FloatSave.MxCsr)
};
#undef context_offset
#endif /* __x86_64__ */
X86Target::X86Target() : Target(sizeof(mappings) / sizeof(mappings[0]))
{
_ctx.ContextFlags = CONTEXT_ALL;
GetThreadContext(GetCurrentThread(), &_ctx);
printf("esp: %x, ebp: %x, eip: %x, eax: %x, ebx: %x, ecx: %x, edx: %p, esi: %p, edi: %p, eflag: %x\n",
_ctx.Esp, _ctx.Ebp, _ctx.Eip, _ctx.Eax, _ctx.Ebx, _ctx.Ecx, _ctx.Edx, _ctx.Esi, _ctx.Edi, _ctx.EFlags);
}
const std::string& X86Target::xml_core(void)
{
static std::string desc;
if (desc.size() == 0) {
char buf[4096] = { 0 };
FILE* fp = fopen("32bit-core.xml", "r");
fread(buf, 1, sizeof(buf), fp);
fclose(fp);
desc = buf;
}
return desc;
}
int X86Target::rd_reg(int reg_no)
{
if (reg_no > _num_regs)
return 14;
char* p = (char *)&_ctx;
put_reg(*(addr_type* )(p + mappings[reg_no]));
return 0;
}
int X86Target::wr_reg(int reg_no, addr_type value)
{
if (reg_no > _num_regs)
return 14;
char* p = (char *)&_ctx;
*(addr_type* )(p + mappings[reg_no]) = value;
return 0;
}
int X86Target::rd_mem(addr_type addr)
{
if (IsBadReadPtr((PVOID )addr, 1)) {
return -1;
}
put_mem(*(char*)addr);
return 0;
}
int X86Target::wr_mem(addr_type addr, char data)
{
if (IsBadWritePtr((PVOID)addr, 1)) {
return -1;
}
*((char*)addr) = data;
return 0;
}
int X86Target::set_breakpoint(addr_type addr, size_type size)
{
return -1;
}
int X86Target::del_breakpoint(addr_type addr, size_type size)
{
return -1;
}
bool X86Target::has_breakpoint(addr_type addr, size_type size)
{
return false;
}
int X86Target::query(const std::string& type)
{
return -1;
}
} // namespace gdb {