RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-19 11:02:59 +02:00
Code Issues Projects Releases Wiki Activity

Add another (and hopefully the last) exception case, where once we recalculate

Browse Source 
the alignment requirement, if it no longer makes the TType base offset overflow
into extra bytes, then we need to pad to those bytes ourselves.

llvm-svn: 97196
This commit is contained in:
Bill Wendling 2010-02-26 00:43:54 +00:00
parent 6c6c5e70e3
commit 173d797171
1 changed files with 11 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
lib/CodeGen/AsmPrinter/DwarfException.cpp
View File

@ -762,9 +762,16 @@ void DwarfException::EmitExceptionTable() {
SizeAlign -= TTypeBaseOverflow; SizeAlign -= TTypeBaseOverflow;
} }
if (!TTypeBaseOverflow || SizeAlign != 0) if (!TTypeBaseOverflow) {
EmitULEB128(Offset, "@TType base offset"); EmitULEB128(TTypeBaseOffset + SizeAlign, "@TType base offset");
else } else if (SizeAlign != 0) {
// If the new "offset + alignment" size doesn't require extra the same
// extra padding that the original one did, then we need to insert that
// padding ourselves.
EmitULEB128(TTypeBaseOffset + SizeAlign, "@TType base offset",
MCAsmInfo::getULEB128Size(TTypeBaseOffset + SizeAlign) !=
OffsetSize ? TTypeBaseOverflow : 0);
} else {
// If adding the extra padding to this offset causes it to buffer to the // If adding the extra padding to this offset causes it to buffer to the
// size of the padding needed, then we should perform the padding here and // size of the padding needed, then we should perform the padding here and
// not at the call site table below. E.g. if we have this: // not at the call site table below. E.g. if we have this:
@ -790,6 +797,7 @@ void DwarfException::EmitExceptionTable() {
// //
// and not with padding on the "Call site table length" entry. // and not with padding on the "Call site table length" entry.
EmitULEB128(TTypeBaseOffset, "@TType base offset", TTypeBaseOverflow); EmitULEB128(TTypeBaseOffset, "@TType base offset", TTypeBaseOverflow);
}
} }
// SjLj Exception handling // SjLj Exception handling