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u_debug_symbol: support getting a string without output

This commit is contained in:
Luca Barbieri 2010-08-18 00:38:19 +02:00
parent d46f91af68
commit 64c4f9c566
2 changed files with 28 additions and 15 deletions
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40
src/gallium/auxiliary/util/u_debug_symbol.c
View File

@ -33,6 +33,7 @@
*/
#include "pipe/p_compiler.h"
#include "u_string.h"
#include "u_debug.h"
#include "u_debug_symbol.h"
@ -113,8 +114,8 @@ BOOL WINAPI j_SymGetSymFromAddr(HANDLE hProcess, DWORD Address, PDWORD Displacem
}
static INLINE boolean
debug_symbol_print_imagehlp(const void *addr)
static INLINE void
debug_symbol_name_imagehlp(const void *addr, char* buf, unsigned size)
{
HANDLE hProcess;
BYTE symbolBuffer[1024];
@ -131,25 +132,34 @@ debug_symbol_print_imagehlp(const void *addr)
if(j_SymInitialize(hProcess, NULL, TRUE))
bSymInitialized = TRUE;
}
if(!j_SymGetSymFromAddr(hProcess, (DWORD)addr, &dwDisplacement, pSymbol))
return FALSE;
debug_printf("\t%s\n", pSymbol->Name);
return TRUE;
buf[0] = 0;
else
{
strncpy(buf, pSymbol->Name, size);
buf[size - 1] = 0;
}
}
#endif
void
debug_symbol_name(const void *addr, char* buf, unsigned size)
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER) && defined(PIPE_ARCH_X86)
debug_symbol_name_imagehlp(addr, buf, size);
if(buf[0])
return;
#endif
util_snprintf(buf, size, "%p", addr);
buf[size - 1] = 0;
}
void
debug_symbol_print(const void *addr)
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER) && defined(PIPE_ARCH_X86)
if(debug_symbol_print_imagehlp(addr))
return;
#endif
debug_printf("\t%p\n", addr);
char buf[1024];
debug_symbol_name(addr, buf, sizeof(buf));
debug_printf("\t%s\n", buf);
}

3
src/gallium/auxiliary/util/u_debug_symbol.h
View File

@ -42,6 +42,9 @@ extern "C" {
#endif
void
debug_symbol_name(const void *addr, char* buf, unsigned size);
void
debug_symbol_print(const void *addr);