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SPARC: Force %g1 to be zero on process startup even though it normally already should be.

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--HG--
extra : convert_revision : 9feb63109e8c955b49c7e96acad1ad7c29a4349f
This commit is contained in:
Gabe Black
2007-11-11 17:23:22 -08:00
parent 6cfe4176f5
commit ada071db53
1 changed files with 8 additions and 0 deletions
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8
src/arch/sparc/process.cc
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@@ -429,6 +429,10 @@ Sparc64LiveProcess::argsInit(int intSize, int pageSize)
threadContexts[0]->setIntReg(ArgumentReg[1], argv_array_base);
threadContexts[0]->setIntReg(StackPointerReg, stack_min - StackBias);
// %g1 is a pointer to a function that should be run at exit. Since we
// don't have anything like that, it should be set to 0.
threadContexts[0]->setIntReg(1, 0);
Addr prog_entry = objFile->entryPoint();
threadContexts[0]->setPC(prog_entry);
threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
@@ -658,6 +662,10 @@ Sparc32LiveProcess::argsInit(int intSize, int pageSize)
//threadContexts[0]->setIntReg(ArgumentReg[1], argv_array_base);
threadContexts[0]->setIntReg(StackPointerReg, stack_min);
// %g1 is a pointer to a function that should be run at exit. Since we
// don't have anything like that, it should be set to 0.
threadContexts[0]->setIntReg(1, 0);
uint32_t prog_entry = objFile->entryPoint();
threadContexts[0]->setPC(prog_entry);
threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));