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mingw fixups

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@24464 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2007-02-04 12:53:43 +00:00
parent edcf9400aa
commit 10dc034618
2 changed files with 31 additions and 20 deletions
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39
Source/NSDebug.m
View file

@ -872,7 +872,7 @@ unsigned NSCountFrames(void)
* functions are not reliable (at least not on my EM64T based system) and
* will sometimes walk off the stack and access illegal memory locations.
* In order to prevent such an occurrance from crashing the application,
* we use sigsetjmp() and siglongjmp() to ensure that we can recover, and
* we use setjmp() and longjmp() to ensure that we can recover, and
* we keep the jump buffer in thread-local memory to avoid possible thread
* safety issues.
* Of course this will fail horribly if an exception occurs in one of the
@ -880,7 +880,11 @@ unsigned NSCountFrames(void)
*/
#include <signal.h>
static sigjmp_buf *
#if defined(__MINGW32__)
#include <setjmp.h>
#endif
static jmp_buf *
jbuf()
{
NSMutableData *d;
@ -888,34 +892,35 @@ jbuf()
d = [[[NSThread currentThread] threadDictionary] objectForKey: @"GSjbuf"];
if (d == nil)
{
d = [[NSMutableData alloc] initWithLength: sizeof(sigjmp_buf)];
d = [[NSMutableData alloc] initWithLength:
sizeof(jmp_buf) + sizeof(void(*)(int))];
[[[NSThread currentThread] threadDictionary] setObject: d
forKey: @"GSjbuf"];
RELEASE(d);
}
return (sigjmp_buf*)[d mutableBytes];
return (jmp_buf*)[d mutableBytes];
}
static void
recover(int sig)
{
sigjmp_buf *env = jbuf();
jmp_buf *env = jbuf();
siglongjmp(*env, 1);
longjmp(*env, 1);
}
void *
NSFrameAddress(int offset)
{
sigjmp_buf *env;
jmp_buf *env;
void (*old)(int);
void *val;
env = jbuf();
if (sigsetjmp(*env, 1) == 0)
if (setjmp(*env) == 0)
{
void (*old)(int);
old = signal(SIGSEGV, recover);
memcpy(env + 1, &old, sizeof(old));
switch (offset)
{
_NS_FRAME_HACK(0); _NS_FRAME_HACK(1); _NS_FRAME_HACK(2);
@ -958,6 +963,9 @@ NSFrameAddress(int offset)
}
else
{
env = jbuf();
memcpy(&old, env + 1, sizeof(old));
signal(SIGSEGV, old);
val = NULL;
}
return val;
@ -966,15 +974,15 @@ NSFrameAddress(int offset)
void *
NSReturnAddress(int offset)
{
sigjmp_buf *env;
jmp_buf *env;
void (*old)(int);
void *val;
env = jbuf();
if (sigsetjmp(*env, 1) == 0)
if (setjmp(*env) == 0)
{
void (*old)(int);
old = signal(SIGSEGV, recover);
memcpy(env + 1, &old, sizeof(old));
switch (offset)
{
_NS_RETURN_HACK(0); _NS_RETURN_HACK(1); _NS_RETURN_HACK(2);
@ -1017,6 +1025,9 @@ NSReturnAddress(int offset)
}
else
{
env = jbuf();
memcpy(&old, env + 1, sizeof(old));
signal(SIGSEGV, old);
val = NULL;
}

12
Source/NSException.m
View file

@ -368,11 +368,11 @@ static void find_address (bfd *abfd, asection *section,
@end
static BOOL LoadModule(NSString *filename);
static BOOL GSLoadModule(NSString *filename);
// this method automatically load the current process + GNUstep base & gui.
static NSMutableDictionary *
GetStackModules()
GSGetStackModules()
{
static NSMutableDictionary *stackModules = nil;
@ -398,7 +398,7 @@ GetStackModules()
{
if ([bundle load] == YES)
{
LoadModule([bundle executablePath]);
GSLoadModule([bundle executablePath]);
}
}
}
@ -407,11 +407,11 @@ GetStackModules()
// initialize stack trace info
static BOOL
LoadModule(NSString *filename)
GSLoadModule(NSString *filename)
{
if ([filename length] > 0)
{
NSMutableDictionary *modules = GetStackModules();
NSMutableDictionary *modules = GSGetStackModules();
if ([modules objectForKey: filename] == nil)
{
@ -495,7 +495,7 @@ LoadModule(NSString *filename)
int m;
frames = [[NSMutableArray alloc] init];
modules = [GetStackModules() allValues];
modules = [GSGetStackModules() allValues];
n = NSCountFrames();
m = [modules count];