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Teach LLVM about the PPC64 memory sanitizer implementation.

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Summary:
This is the LLVM part of the PPC memory sanitizer implementation in
D10648.

Reviewers: kcc, samsonov, willschm, wschmidt, eugenis

Reviewed By: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10649

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240627 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad 2015-06-25 10:34:29 +00:00
parent 780a0c9266
commit 0ee17729e5
1 changed files with 17 additions and 0 deletions
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17
lib/Transforms/Instrumentation/MemorySanitizer.cpp
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@ -236,6 +236,14 @@ static const MemoryMapParams Linux_MIPS64_MemoryMapParams = {
0x002000000000, // OriginBase
};
// ppc64 Linux
static const MemoryMapParams Linux_PowerPC64_MemoryMapParams = {
0x200000000000, // AndMask
0x100000000000, // XorMask
0x080000000000, // ShadowBase
0x1C0000000000, // OriginBase
};
// i386 FreeBSD
static const MemoryMapParams FreeBSD_I386_MemoryMapParams = {
0x000180000000, // AndMask
@ -262,6 +270,11 @@ static const PlatformMemoryMapParams Linux_MIPS_MemoryMapParams = {
&Linux_MIPS64_MemoryMapParams,
};
static const PlatformMemoryMapParams Linux_PowerPC_MemoryMapParams = {
NULL,
&Linux_PowerPC64_MemoryMapParams,
};
static const PlatformMemoryMapParams FreeBSD_X86_MemoryMapParams = {
&FreeBSD_I386_MemoryMapParams,
&FreeBSD_X86_64_MemoryMapParams,
@ -479,6 +492,10 @@ bool MemorySanitizer::doInitialization(Module &M) {
case Triple::mips64el:
MapParams = Linux_MIPS_MemoryMapParams.bits64;
break;
case Triple::ppc64:
case Triple::ppc64le:
MapParams = Linux_PowerPC_MemoryMapParams.bits64;
break;
default:
report_fatal_error("unsupported architecture");
}