From ada071db53208bf02afee79390d1169130ce99ed Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sun, 11 Nov 2007 17:23:22 -0800 Subject: SPARC: Force %g1 to be zero on process startup even though it normally already should be. --HG-- extra : convert_revision : 9feb63109e8c955b49c7e96acad1ad7c29a4349f --- src/arch/sparc/process.cc | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/arch/sparc') diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc index 1f5d0b077..0c40fe58d 100644 --- a/src/arch/sparc/process.cc +++ b/src/arch/sparc/process.cc @@ -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)); -- cgit v1.2.3