paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-04-19 23:39:31 +02:00
Code Issues Packages Projects Releases Wiki Activity

* change the exception address is only useful if a valid frame is passed

Browse Source 
git-svn-id: branches/debug_eh@41377 -
This commit is contained in:
florian 2019-02-18 22:04:08 +00:00
parent a24d75ed3d
commit 9e67e7311a
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
rtl/inc/psabieh.inc
View File

@ -981,9 +981,15 @@ procedure fpc_RaiseException_Internal(Obj: TObject; AnAddr: CodePointer; AFrame:
{ tweak stack, so we get the correct context, this requires assembly }
procedure fpc_RaiseException(Obj: TObject; AnAddr: CodePointer; AFrame: Pointer); compilerproc;assembler; nostackframe;
asm
movl AFrame,%ebp
movl AnAddr,(%esp)
jmpl fpc_RaiseException_Internal
{ loading the address makes only sense if a frame is passed, else unwinding is completly mixed up }
orl AFrame,AFrame
je .L1
movl AFrame,%ebp
orl AnAddr,AnAddr
je .L1
movl AnAddr,(%esp)
.L1:
jmpl fpc_RaiseException_Internal
end;
{$define PSABI_HANDLESCONTEXT}
{$endif CPUI386}