6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-24 23:28:41 +00:00
Code Issues Projects Releases Wiki Activity

Fix the cleanup process of exception information in JIT. Now JIT

Browse Source 
deregisters registered by it FDE structures allowing consecutive
JIT runs to succeed.  Patch by Yuri.  Fixes PR8285.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117004 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2010-10-21 08:57:29 +00:00
parent ba3f881007
commit b35fd448ce
3 changed files with 36 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/ExecutionEngine/JIT/JIT.cpp
View File

@@ -87,6 +87,7 @@ extern "C" void LLVMLinkInJIT() {
// values of an opaque key, used by libgcc to find dwarf tables.
extern "C" void __register_frame(void*);
extern "C" void __deregister_frame(void*);
#if defined(__APPLE__) && MAC_OS_X_VERSION_MAX_ALLOWED <= 1050
# define USE_KEYMGR 1
@@ -318,8 +319,10 @@ JIT::JIT(Module *M, TargetMachine &tm, TargetJITInfo &tji,
LOI = (LibgccObjectInfo*)calloc(sizeof(struct LibgccObjectInfo), 1);
_keymgr_set_and_unlock_processwide_ptr(KEYMGR_GCC3_DW2_OBJ_LIST, LOI);
InstallExceptionTableRegister(DarwinRegisterFrame);
// Not sure about how to deregister on Darwin.
#else
InstallExceptionTableRegister(__register_frame);
InstallExceptionTableDeregister(__deregister_frame);
#endif // __APPLE__
#endif // __GNUC__
@@ -328,6 +331,9 @@ JIT::JIT(Module *M, TargetMachine &tm, TargetJITInfo &tji,
}
JIT::~JIT() {
// Unregister all exception tables registered by this JIT.
DeregisterAllTables();
// Cleanup.
AllJits->Remove(this);
delete jitstate;
delete JCE;