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Enable existing MSVC stack backtrace code on MinGW where supported.

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The existing code seems to work fine, though symbol lookup in
openttd.exe does not work.
This commit is contained in:
Jonathan G Rennison
2015-09-09 00:09:07 +01:00
parent c5bc04c4b8
commit 99d8d1afa6
2 changed files with 29 additions and 3 deletions
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21
config.lib
View File

@@ -1612,6 +1612,27 @@ EOL
rm tmp.config.bfd
fi
if [ "$os" = "MINGW" ]; then
"$cc_host" $CFLAGS $LDFLAGS -o tmp.config.dbghelp -x c++ - 2> /dev/null << EOL
#include <windows.h>
#include <dbghelp.h>
int main() {
STACKFRAME64 frame;
IMAGEHLP_SYMBOL64 *sym_info;
IMAGEHLP_MODULE64 module;
IMAGEHLP_LINE64 line;
return 0;
}
EOL
if [ $? -ne 0 ]; then
log 1 "checking dbghelp... no"
else
log 1 "checking dbghelp... found"
CFLAGS="$CFLAGS -DWITH_DBGHELP"
fi
rm -f tmp.config.dbghelp
fi
if [ "$os" != "CYGWIN" ] && [ "$os" != "HAIKU" ] && [ "$os" != "MINGW" ] && [ "$os" != "DOS" ] && [ "$os" != "WINCE" ]; then
LIBS="$LIBS -lc"
fi

11
src/os/windows/crashlog_win.cpp
View File

@@ -49,12 +49,13 @@ class CrashLogWindows : public CrashLog {
/* virtual */ char *LogRegisters(char *buffer, const char *last) const;
/* virtual */ char *LogModules(char *buffer, const char *last) const;
public:
#if defined(_MSC_VER)
#if defined(_MSC_VER) || defined(WITH_DBGHELP)
/* virtual */ int WriteCrashDump(char *filename, const char *filename_last) const;
char *AppendDecodedStacktrace(char *buffer, const char *last) const;
#else
char *AppendDecodedStacktrace(char *buffer, const char *last) const { return buffer; }
#endif /* _MSC_VER */
#endif /* _MSC_VER || WITH_DBGHELP */
/** Buffer for the generated crash log */
char crashlog[65536];
@@ -321,10 +322,14 @@ static char *PrintModuleInfo(char *output, const char *last, HMODULE mod)
return buffer + seprintf(buffer, last, "\n");
}
#if defined(_MSC_VER) || defined(WITH_DBGHELP)
#if defined(_MSC_VER)
#pragma warning(disable:4091)
#endif
#include <dbghelp.h>
#if defined(_MSC_VER)
#pragma warning(default:4091)
#endif
char *CrashLogWindows::AppendDecodedStacktrace(char *buffer, const char *last) const
{
@@ -479,7 +484,7 @@ char *CrashLogWindows::AppendDecodedStacktrace(char *buffer, const char *last) c
}
return ret;
}
#endif /* _MSC_VER */
#endif /* _MSC_VER || WITH_DBGHELP */
extern bool CloseConsoleLogIfActive();
static void ShowCrashlogWindow();