6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-02 22:23:10 +00:00
Code Issues Projects Releases Wiki Activity

[mips] Fix off by one issue when applying a fixup.

Browse Source 
The branch offset for a R_MIPS_PC16 relocation is indeed a 16-bit signed
immediate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197506 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matheus Almeida
2013-12-17 17:10:00 +00:00
parent 7c29644cce
commit 24c63679d7
3 changed files with 22 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
View File

@@ -64,7 +64,7 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
// address range. Forcing a signed division because Value can be negative.
Value = (int64_t)Value / 4;
// We now check if Value can be encoded as a 16-bit signed immediate.
if (!isIntN(15, Value) && Ctx)
if (!isIntN(16, Value) && Ctx)
Ctx->FatalError(Fixup.getLoc(), "out of range PC16 fixup");
break;
case Mips::fixup_Mips_26:
@@ -97,7 +97,7 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
// Forcing a signed division because Value can be negative.
Value = (int64_t)Value / 2;
// We now check if Value can be encoded as a 16-bit signed immediate.
if (!isIntN(15, Value) && Ctx)
if (!isIntN(16, Value) && Ctx)
Ctx->FatalError(Fixup.getLoc(), "out of range PC16 fixup");
break;
}