Bug #12644 » 0001-Support-debug-build-on-Windows-with-MSVC.patch
| win32/win32.c | ||
|---|---|---|
|
/* License: Ruby's */
|
||
|
#if RUBY_MSVCRT_VERSION >= 140
|
||
|
typedef char lowio_text_mode;
|
||
|
typedef char lowio_pipe_lookahead[3];
|
||
|
typedef struct {
|
||
|
CRITICAL_SECTION lock;
|
||
|
intptr_t osfhnd; // underlying OS file HANDLE
|
||
|
__int64 startpos; // File position that matches buffer start
|
||
|
unsigned char osfile; // Attributes of file (e.g., open in text mode?)
|
||
|
char textmode;
|
||
|
char _pipe_lookahead;
|
||
|
lowio_text_mode textmode;
|
||
|
lowio_pipe_lookahead _pipe_lookahead;
|
||
|
uint8_t unicode : 1; // Was the file opened as unicode?
|
||
|
uint8_t utf8translations : 1; // Buffer contains translations other than CRLF
|
||
| ... | ... | |
|
#define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
|
||
|
#define _osfhnd(i) (_pioinfo(i)->osfhnd)
|
||
|
#define _osfile(i) (_pioinfo(i)->osfile)
|
||
|
#define _pipech(i) (_pioinfo(i)->pipech)
|
||
|
#define rb_acrt_lowio_lock_fh(i) EnterCriticalSection(&_pioinfo(i)->lock)
|
||
|
#define rb_acrt_lowio_unlock_fh(i) LeaveCriticalSection(&_pioinfo(i)->lock)
|
||
| ... | ... | |
|
set_pioinfo_extra(void)
|
||
|
{
|
||
|
#if RUBY_MSVCRT_VERSION >= 140
|
||
|
# define FUNCTION_RET 0xc3 /* ret */
|
||
|
# ifdef _DEBUG
|
||
|
# define UCRTBASE "ucrtbased.dll"
|
||
|
# else
|
||
|
# define UCRTBASE "ucrtbase.dll"
|
||
|
# endif
|
||
|
/* get __pioinfo addr with _isatty */
|
||
|
char *p = (char*)get_proc_address("ucrtbase.dll", "_isatty", NULL);
|
||
|
char *pend = p + 100;
|
||
|
char *p = (char*)get_proc_address(UCRTBASE, "_isatty", NULL);
|
||
|
char *pend = p;
|
||
|
/* _osfile(fh) & FDEV */
|
||
|
#if _WIN64
|
||
|
# if _WIN64
|
||
|
int32_t rel;
|
||
|
char *rip;
|
||
|
/* add rsp, _ */
|
||
|
# define FUNCTION_BEFORE_RET_MARK "\x48\x83\xc4"
|
||
|
# define FUNCTION_SKIP_BYTES 1
|
||
|
# ifdef _DEBUG
|
||
|
/* lea rcx,[__pioinfo's addr in RIP-relative 32bit addr] */
|
||
|
# define PIOINFO_MARK "\x48\x8d\x0d"
|
||
|
# else
|
||
|
/* lea rdx,[__pioinfo's addr in RIP-relative 32bit addr] */
|
||
|
# define PIOINFO_MARK "\x48\x8d\x15"
|
||
|
#else
|
||
|
# define PIOINFO_MARK "\x48\x8d\x15"
|
||
|
# endif
|
||
|
# else /* x86 */
|
||
|
/* pop ebp */
|
||
|
# define FUNCTION_BEFORE_RET_MARK "\x5d"
|
||
|
# define FUNCTION_SKIP_BYTES 0
|
||
|
/* mov eax,dword ptr [eax*4+100EB430h] */
|
||
|
# define PIOINFO_MARK "\x8B\x04\x85"
|
||
|
#endif
|
||
|
for (p; p < pend; p++) {
|
||
|
if (memcmp(p, PIOINFO_MARK, strlen(PIOINFO_MARK)) == 0) {
|
||
|
goto found;
|
||
|
# define PIOINFO_MARK "\x8B\x04\x85"
|
||
|
# endif
|
||
|
if (p) {
|
||
|
for (pend += 10; pend < p + 300; pend++) {
|
||
|
// find end of function
|
||
|
if (memcmp(pend, FUNCTION_BEFORE_RET_MARK, sizeof(FUNCTION_BEFORE_RET_MARK) - 1) == 0 &&
|
||
|
*(pend + (sizeof(FUNCTION_BEFORE_RET_MARK) - 1) + FUNCTION_SKIP_BYTES) & FUNCTION_RET == FUNCTION_RET) {
|
||
|
// search backwards from end of function
|
||
|
for (pend -= (sizeof(PIOINFO_MARK) - 1); pend > p; pend--) {
|
||
|
if (memcmp(pend, PIOINFO_MARK, sizeof(PIOINFO_MARK) - 1) == 0) {
|
||
|
p = pend;
|
||
|
goto found;
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
fprintf(stderr, "unexpected ucrtbase.dll\n");
|
||
|
fprintf(stderr, "unexpected " UCRTBASE "\n");
|
||
|
_exit(1);
|
||
|
found:
|
||
|
p += strlen(PIOINFO_MARK);
|
||
|
p += sizeof(PIOINFO_MARK) - 1;
|
||
|
#if _WIN64
|
||
|
rel = *(int32_t*)(p);
|
||
|
rip = p + sizeof(int32_t);
|
||
|
__pioinfo = (ioinfo**)(rip + rel);
|
||
|
#else
|
||
|
__pioinfo = (ioinfo**)(p);
|
||
|
__pioinfo = *(ioinfo***)(p);
|
||
|
#endif
|
||
|
#else
|
||
|
int fd;
|
||