mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-18 22:33:56 -07:00
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/* Copyright (c) 2010 Wildfire Games
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
/* udbg.cpp
|
|
|
|
This file contains debug helpers that are common for all unix systems. See
|
|
linux/ldbg.cpp for the linux-specific stuff (Using BFD and backtrace() for
|
|
symbol lookups and backtraces)
|
|
*/
|
|
|
|
#include "precompiled.h"
|
|
|
|
#include <cstdio>
|
|
|
|
#include "lib/timer.h"
|
|
#include "lib/sysdep/sysdep.h"
|
|
#include "lib/debug.h"
|
|
|
|
|
|
void debug_break()
|
|
{
|
|
kill(getpid(), SIGTRAP);
|
|
}
|
|
|
|
#define DEBUGGER_WAIT 3
|
|
#define DEBUGGER_CMD "gdb"
|
|
#define DEBUGGER_ARG_FORMAT "--pid=%d"
|
|
#define DEBUGGER_BREAK_AFTER_WAIT 0
|
|
|
|
/*
|
|
Start the debugger and tell it to attach to the current process/thread
|
|
(called by display_error)
|
|
*/
|
|
void udbg_launch_debugger()
|
|
{
|
|
pid_t orgpid=getpid();
|
|
pid_t ret=fork();
|
|
if (ret == 0)
|
|
{
|
|
// Child Process: exec() gdb (Debugger), set to attach to old fork
|
|
char buf[16];
|
|
snprintf(buf, 16, DEBUGGER_ARG_FORMAT, orgpid);
|
|
|
|
int ret=execlp(DEBUGGER_CMD, DEBUGGER_CMD, buf, NULL);
|
|
// In case of success, we should never get here anyway, though...
|
|
if (ret != 0)
|
|
{
|
|
perror("Debugger launch failed");
|
|
}
|
|
}
|
|
else if (ret > 0)
|
|
{
|
|
// Parent (original) fork:
|
|
debug_printf(L"Sleeping until debugger attaches.\nPlease wait.\n");
|
|
sleep(DEBUGGER_WAIT);
|
|
}
|
|
else // fork error, ret == -1
|
|
{
|
|
perror("Debugger launch: fork failed");
|
|
}
|
|
}
|
|
|
|
void debug_puts(const wchar_t* text)
|
|
{
|
|
printf("%ls", text); // must not use printf, since stdout is byte-oriented
|
|
fflush(stdout);
|
|
}
|
|
|
|
int debug_IsPointerBogus(const void* UNUSED(p))
|
|
{
|
|
// TODO: maybe this should do some checks
|
|
return false;
|
|
}
|