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_vswprintf. Also moved _vsnprintf and _vswprintf to its own file.

This commit is contained in:
gibbed 2014-01-17 18:46:56 -08:00
parent f0543b4ba9
commit cd8c081ee6
6 changed files with 492 additions and 204 deletions
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2
src/xenia/kernel/sources.gypi
View File

@ -58,6 +58,8 @@
'xboxkrnl_private.h',
'xboxkrnl_rtl.cc',
'xboxkrnl_rtl.h',
'xboxkrnl_strings.cc',
'xboxkrnl_strings.h',
'xboxkrnl_table.inc',
'xboxkrnl_threading.cc',
'xboxkrnl_threading.h',

1
src/xenia/kernel/xboxkrnl_module.cc
View File

@ -50,6 +50,7 @@ XboxkrnlModule::XboxkrnlModule(Emulator* emulator, KernelState* kernel_state) :
RegisterNtExports(export_resolver_, kernel_state);
RegisterObExports(export_resolver_, kernel_state);
RegisterRtlExports(export_resolver_, kernel_state_);
RegisterStringExports(export_resolver_, kernel_state_);
RegisterThreadingExports(export_resolver_, kernel_state);
RegisterVideoExports(export_resolver_, kernel_state);

1
src/xenia/kernel/xboxkrnl_private.h
View File

@ -33,6 +33,7 @@ void RegisterModuleExports(ExportResolver* export_resolver, KernelState* state);
void RegisterNtExports(ExportResolver* export_resolver, KernelState* state);
void RegisterObExports(ExportResolver* export_resolver, KernelState* state);
void RegisterRtlExports(ExportResolver* export_resolver, KernelState* state);
void RegisterStringExports(ExportResolver* export_resolver, KernelState* state);
void RegisterThreadingExports(ExportResolver* export_resolver,
KernelState* state);
void RegisterVideoExports(ExportResolver* export_resolver, KernelState* state);

204
src/xenia/kernel/xboxkrnl_rtl.cc
View File

@ -379,208 +379,6 @@ SHIM_CALL RtlMultiByteToUnicodeN_shim(
}
// TODO: clean me up!
SHIM_CALL _vsnprintf_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t buffer_ptr = SHIM_GET_ARG_32(0);
uint32_t count = SHIM_GET_ARG_32(1);
uint32_t format_ptr = SHIM_GET_ARG_32(2);
uint32_t arg_ptr = SHIM_GET_ARG_32(3);
if (format_ptr == 0) {
SHIM_SET_RETURN(-1);
return;
}
char *buffer = (char *)SHIM_MEM_ADDR(buffer_ptr); // TODO: ensure it never writes past the end of the buffer (count)...
const char *format = (const char *)SHIM_MEM_ADDR(format_ptr);
int arg_index = 0;
char *b = buffer;
for (; *format != '\0'; ++format) {
const char *start = format;
if (*format != '%') {
*b++ = *format;
continue;
}
++format;
if (*format == '\0') {
break;
}
if (*format == '%') {
*b++ = *format;
continue;
}
const char *end;
end = format;
// skip flags
while (*end == '-' ||
*end == '+' ||
*end == ' ' ||
*end == '#' ||
*end == '0') {
++end;
}
if (*end == '\0') {
break;
}
int arg_extras = 0;
// skip width
if (*end == '*') {
++end;
arg_extras++;
}
else {
while (*end >= '0' && *end <= '9') {
++end;
}
}
if (*end == '\0') {
break;
}
// skip precision
if (*end == '.') {
++end;
if (*end == '*') {
++end;
++arg_extras;
}
else {
while (*end >= '0' && *end <= '9') {
++end;
}
}
}
if (*end == '\0') {
break;
}
// get length
int arg_size = 4;
if (*end == 'h') {
++end;
arg_size = 4;
if (*end == 'h') {
++end;
}
}
else if (*end == 'l') {
++end;
arg_size = 4;
if (*end == 'l') {
++end;
arg_size = 8;
}
}
else if (*end == 'j') {
arg_size = 8;
++end;
}
else if (*end == 'z') {
arg_size = 4;
++end;
}
else if (*end == 't') {
arg_size = 8;
++end;
}
else if (*end == 'L') {
arg_size = 8;
++end;
}
if (*end == '\0') {
break;
}
if (*end == 'd' ||
*end == 'i' ||
*end == 'u' ||
*end == 'o' ||
*end == 'x' ||
*end == 'X' ||
*end == 'f' ||
*end == 'F' ||
*end == 'e' ||
*end == 'E' ||
*end == 'g' ||
*end == 'G' ||
*end == 'a' ||
*end == 'A' ||
*end == 'c') {
char local[512];
local[0] = '\0';
strncat(local, start, end + 1 - start);
XEASSERT(arg_size == 8 || arg_size == 4);
if (arg_size == 8) {
if (arg_extras == 0) {
uint64_t value = SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
int result = sprintf(b, local, value);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
else if (arg_size == 4) {
if (arg_extras == 0) {
uint32_t value = (uint32_t)SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
int result = sprintf(b, local, value);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
}
else if (*end == 's' ||
*end == 'p' ||
*end == 'n') {
char local[512];
local[0] = '\0';
strncat(local, start, end + 1 - start);
XEASSERT(arg_size == 4);
if (arg_extras == 0) {
uint32_t value = (uint32_t)SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
const char *pointer = (const char *)SHIM_MEM_ADDR(value);
int result = sprintf(b, local, pointer);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
else {
XEASSERT(false);
break;
}
format = end;
}
*b++ = '\0';
SHIM_SET_RETURN((uint32_t)(b - buffer));
}
uint32_t xeRtlNtStatusToDosError(X_STATUS status) {
if (!status || (status & 0x20000000)) {
// Success.
@ -968,8 +766,6 @@ void xe::kernel::xboxkrnl::RegisterRtlExports(
SHIM_SET_MAPPING("xboxkrnl.exe", RtlUnicodeStringToAnsiString, state);
SHIM_SET_MAPPING("xboxkrnl.exe", RtlMultiByteToUnicodeN, state);
SHIM_SET_MAPPING("xboxkrnl.exe", _vsnprintf, state);
SHIM_SET_MAPPING("xboxkrnl.exe", RtlTimeToTimeFields, state);
SHIM_SET_MAPPING("xboxkrnl.exe", RtlTimeFieldsToTime, state);

461
src/xenia/kernel/xboxkrnl_strings.cc Normal file
View File

@ -0,0 +1,461 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/kernel/xboxkrnl_rtl.h>
#include <xenia/kernel/kernel_state.h>
#include <xenia/kernel/xboxkrnl_private.h>
#include <xenia/kernel/objects/xthread.h>
#include <xenia/kernel/objects/xuser_module.h>
#include <xenia/kernel/util/shim_utils.h>
#include <xenia/kernel/util/xex2.h>
using namespace xe;
using namespace xe::kernel;
using namespace xe::kernel::xboxkrnl;
namespace xe {
namespace kernel {
// TODO: clean me up!
SHIM_CALL _vsnprintf_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t buffer_ptr = SHIM_GET_ARG_32(0);
uint32_t count = SHIM_GET_ARG_32(1);
uint32_t format_ptr = SHIM_GET_ARG_32(2);
uint32_t arg_ptr = SHIM_GET_ARG_32(3);
if (format_ptr == 0) {
SHIM_SET_RETURN(-1);
return;
}
char *buffer = (char *)SHIM_MEM_ADDR(buffer_ptr); // TODO: ensure it never writes past the end of the buffer (count)...
const char *format = (const char *)SHIM_MEM_ADDR(format_ptr);
int arg_index = 0;
char *b = buffer;
for (; *format != '\0'; ++format) {
const char *start = format;
if (*format != '%') {
*b++ = *format;
continue;
}
++format;
if (*format == '\0') {
break;
}
if (*format == '%') {
*b++ = *format;
continue;
}
const char *end;
end = format;
// skip flags
while (*end == '-' ||
*end == '+' ||
*end == ' ' ||
*end == '#' ||
*end == '0') {
++end;
}
if (*end == '\0') {
break;
}
int arg_extras = 0;
// skip width
if (*end == '*') {
++end;
arg_extras++;
}
else {
while (*end >= '0' && *end <= '9') {
++end;
}
}
if (*end == '\0') {
break;
}
// skip precision
if (*end == '.') {
++end;
if (*end == '*') {
++end;
++arg_extras;
}
else {
while (*end >= '0' && *end <= '9') {
++end;
}
}
}
if (*end == '\0') {
break;
}
// get length
int arg_size = 4;
if (*end == 'h') {
++end;
arg_size = 4;
if (*end == 'h') {
++end;
}
}
else if (*end == 'l') {
++end;
arg_size = 4;
if (*end == 'l') {
++end;
arg_size = 8;
}
}
else if (*end == 'j') {
arg_size = 8;
++end;
}
else if (*end == 'z') {
arg_size = 4;
++end;
}
else if (*end == 't') {
arg_size = 8;
++end;
}
else if (*end == 'L') {
arg_size = 8;
++end;
}
if (*end == '\0') {
break;
}
if (*end == 'd' ||
*end == 'i' ||
*end == 'u' ||
*end == 'o' ||
*end == 'x' ||
*end == 'X' ||
*end == 'f' ||
*end == 'F' ||
*end == 'e' ||
*end == 'E' ||
*end == 'g' ||
*end == 'G' ||
*end == 'a' ||
*end == 'A' ||
*end == 'c') {
char local[512];
local[0] = '\0';
strncat(local, start, end + 1 - start);
XEASSERT(arg_size == 8 || arg_size == 4);
if (arg_size == 8) {
if (arg_extras == 0) {
uint64_t value = SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
int result = sprintf(b, local, value);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
else if (arg_size == 4) {
if (arg_extras == 0) {
uint32_t value = (uint32_t)SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
int result = sprintf(b, local, value);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
}
else if (*end == 's' ||
*end == 'p' ||
*end == 'n') {
char local[512];
local[0] = '\0';
strncat(local, start, end + 1 - start);
XEASSERT(arg_size == 4);
if (arg_extras == 0) {
uint32_t value = (uint32_t)SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
const char *pointer = (const char *)SHIM_MEM_ADDR(value);
int result = sprintf(b, local, pointer);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
else {
XEASSERT(false);
break;
}
format = end;
}
*b++ = '\0';
SHIM_SET_RETURN((uint32_t)(b - buffer));
}
// TODO: clean me up!
SHIM_CALL _vswprintf_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t buffer_ptr = SHIM_GET_ARG_32(0);
uint32_t format_ptr = SHIM_GET_ARG_32(1);
uint32_t arg_ptr = SHIM_GET_ARG_32(2);
if (format_ptr == 0) {
SHIM_SET_RETURN(-1);
return;
}
wchar_t*buffer = (wchar_t*)SHIM_MEM_ADDR(buffer_ptr); // TODO: ensure it never writes past the end of the buffer (count)...
const wchar_t* format = (const wchar_t*)SHIM_MEM_ADDR(format_ptr);
// this will work since a null is the same regardless of endianness
size_t format_length = wcslen(format);
// swap the format buffer
wchar_t *swapped_format = (wchar_t*)xe_malloc((format_length + 1) * sizeof(wchar_t));
for (size_t i = 0; i < format_length; ++i)
{
swapped_format[i] = XESWAP16(format[i]);
}
swapped_format[format_length] = '\0';
// be sneaky
format = swapped_format;
int arg_index = 0;
wchar_t *b = buffer;
for (; *format != '\0'; ++format) {
const wchar_t *start = format;
if (*format != '%') {
*b++ = *format;
continue;
}
++format;
if (*format == '\0') {
break;
}
if (*format == '%') {
*b++ = *format;
continue;
}
const wchar_t *end;
end = format;
// skip flags
while (*end == '-' ||
*end == '+' ||
*end == ' ' ||
*end == '#' ||
*end == '0') {
++end;
}
if (*end == '\0') {
break;
}
int arg_extras = 0;
// skip width
if (*end == '*') {
++end;
arg_extras++;
}
else {
while (*end >= '0' && *end <= '9') {
++end;
}
}
if (*end == '\0') {
break;
}
// skip precision
if (*end == '.') {
++end;
if (*end == '*') {
++end;
++arg_extras;
}
else {
while (*end >= '0' && *end <= '9') {
++end;
}
}
}
if (*end == '\0') {
break;
}
// get length
int arg_size = 4;
if (*end == 'h') {
++end;
arg_size = 4;
if (*end == 'h') {
++end;
}
}
else if (*end == 'l') {
++end;
arg_size = 4;
if (*end == 'l') {
++end;
arg_size = 8;
}
}
else if (*end == 'j') {
arg_size = 8;
++end;
}
else if (*end == 'z') {
arg_size = 4;
++end;
}
else if (*end == 't') {
arg_size = 8;
++end;
}
else if (*end == 'L') {
arg_size = 8;
++end;
}
if (*end == '\0') {
break;
}
if (*end == 'd' ||
*end == 'i' ||
*end == 'u' ||
*end == 'o' ||
*end == 'x' ||
*end == 'X' ||
*end == 'f' ||
*end == 'F' ||
*end == 'e' ||
*end == 'E' ||
*end == 'g' ||
*end == 'G' ||
*end == 'a' ||
*end == 'A' ||
*end == 'c') {
wchar_t local[512];
local[0] = '\0';
wcsncat(local, start, end + 1 - start);
XEASSERT(arg_size == 8 || arg_size == 4);
if (arg_size == 8) {
if (arg_extras == 0) {
uint64_t value = SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
int result = wsprintf(b, local, value);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
else if (arg_size == 4) {
if (arg_extras == 0) {
uint32_t value = (uint32_t)SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
int result = wsprintf(b, local, value);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
}
else if (*end == 's' ||
*end == 'p' ||
*end == 'n') {
wchar_t local[512];
local[0] = '\0';
wcsncat(local, start, end + 1 - start);
XEASSERT(arg_size == 4);
if (arg_extras == 0) {
uint32_t value = (uint32_t)SHIM_MEM_64(arg_ptr + (arg_index * 8)); // TODO: check if this is correct...
const char *pointer = (const char *)SHIM_MEM_ADDR(value);
int result = wsprintf(b, local, pointer);
b += result;
arg_index++;
}
else {
XEASSERT(false);
}
}
else {
XEASSERT(false);
break;
}
format = end;
}
*b++ = '\0';
// swap the result buffer
for (wchar_t* swap = buffer; swap != b; ++swap)
{
*swap = XESWAP16(*swap);
}
SHIM_SET_RETURN((uint32_t)((b - buffer) / sizeof(wchar_t)));
}
} // namespace kernel
} // namespace xe
void xe::kernel::xboxkrnl::RegisterStringExports(
ExportResolver* export_resolver, KernelState* state) {
SHIM_SET_MAPPING("xboxkrnl.exe", _vsnprintf, state);
SHIM_SET_MAPPING("xboxkrnl.exe", _vswprintf, state);
}

27
src/xenia/kernel/xboxkrnl_strings.h Normal file
View File

@ -0,0 +1,27 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_KERNEL_XBOXKRNL_STRINGS_H_
#define XENIA_KERNEL_XBOXKRNL_STRINGS_H_
#include <xenia/common.h>
#include <xenia/core.h>
#include <xenia/xbox.h>
namespace xe {
namespace kernel {
} // namespace kernel
} // namespace xe
#endif // XENIA_KERNEL_XBOXKRNL_STRINGS_H_