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| author | Brandon Potter <brandon.potter@amd.com> | 2016-03-17 10:31:03 -0700 |
|---|---|---|
| committer | Brandon Potter <brandon.potter@amd.com> | 2016-03-17 10:31:03 -0700 |
| commit | 9b4249410ec18cac9df2c7e9c0a4a6ce5459233d (patch) | |
| tree | c3260ef4f23b9eca7d835ab1e0dfc8ce1173b17c /src/arch/alpha/process.cc | |
| parent | 4fc69db8f89049a881a5f4aa68545840818b124c (diff) | |
| download | gem5-9b4249410ec18cac9df2c7e9c0a4a6ce5459233d.tar.xz | |
base: support dynamic loading of Linux ELF objects in SE mode
Diffstat (limited to 'src/arch/alpha/process.cc')
| -rw-r--r-- | src/arch/alpha/process.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc index 54ef338f3..9e298f0c6 100644 --- a/src/arch/alpha/process.cc +++ b/src/arch/alpha/process.cc @@ -67,6 +67,9 @@ AlphaLiveProcess::AlphaLiveProcess(LiveProcessParams *params, void AlphaLiveProcess::argsInit(int intSize, int pageSize) { + // Patch the ld_bias for dynamic executables. + updateBias(); + objFile->loadSections(initVirtMem); typedef AuxVector<uint64_t> auxv_t; @@ -88,6 +91,10 @@ AlphaLiveProcess::argsInit(int intSize, int pageSize) auxv.push_back(auxv_t(M5_AT_PHDR, elfObject->programHeaderTable())); DPRINTF(Loader, "auxv at PHDR %08p\n", elfObject->programHeaderTable()); auxv.push_back(auxv_t(M5_AT_PHNUM, elfObject->programHeaderCount())); + // This is the base address of the ELF interpreter; it should be + // zero for static executables or contain the base address for + // dynamic executables. + auxv.push_back(auxv_t(M5_AT_BASE, getBias())); auxv.push_back(auxv_t(M5_AT_ENTRY, objFile->entryPoint())); auxv.push_back(auxv_t(M5_AT_UID, uid())); auxv.push_back(auxv_t(M5_AT_EUID, euid())); @@ -163,7 +170,7 @@ AlphaLiveProcess::argsInit(int intSize, int pageSize) setSyscallArg(tc, 1, argv_array_base); tc->setIntReg(StackPointerReg, stack_min); - tc->pcState(objFile->entryPoint()); + tc->pcState(getStartPC()); } void |