From 5d446e61d992f105a05aade62d5305fd8a346081 Mon Sep 17 00:00:00 2001 From: Amara Emerson Date: Fri, 3 May 2013 11:36:35 +0000 Subject: Add support for reading ARM ELF build attributes. Build attribute sections can now be read if they exist via ELFObjectFile, and the llvm-readobj tool has been extended with an option to dump this information if requested. Regression tests are also included which exercise these features. Also update the docs with a fixed ARM ABI link and a new link to the Addenda which provides the build attributes specification. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181009 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/llvm-readobj/ELFDumper.cpp | 63 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'tools/llvm-readobj/ELFDumper.cpp') diff --git a/tools/llvm-readobj/ELFDumper.cpp b/tools/llvm-readobj/ELFDumper.cpp index ea1b83f32f..6fa9026399 100644 --- a/tools/llvm-readobj/ELFDumper.cpp +++ b/tools/llvm-readobj/ELFDumper.cpp @@ -51,6 +51,7 @@ public: virtual void printDynamicTable() LLVM_OVERRIDE; virtual void printNeededLibraries() LLVM_OVERRIDE; virtual void printProgramHeaders() LLVM_OVERRIDE; + virtual void printARMBuildAttributes() LLVM_OVERRIDE; private: typedef ELFObjectFile ELFO; @@ -858,3 +859,65 @@ void ELFDumper::printProgramHeaders() { W.printNumber("Alignment", PI->p_align); } } + +#define LLVM_READOBJ_ARMATTR_NUMCASE(X) case ARMBuildAttrs::X: \ + W.printNumber(" Tag_" #X, BuildAttrs.Tag_##X); \ + break; \ + +#define LLVM_READOBJ_ARMATTR_STRCASE(X) case ARMBuildAttrs::X: \ + W.printString(" Tag_" #X, BuildAttrs.Tag_##X); \ + break; \ + +template +void ELFDumper::printARMBuildAttributes() { + if (Obj->getArch() != Triple::arm || !Obj->hasARMBuildAttributes()) + return; + ARMBuildAttrs::ARMGenericBuildAttrInfo BuildAttrs; + SmallVector AttrsRead; + error_code EC = Obj->readARMBuildAttributes(BuildAttrs, AttrsRead); + if (error(EC)) + return; + + DictScope D(W, "ARMBuildAttributes"); + + for (SmallVector::iterator I = AttrsRead.begin(), + E = AttrsRead.end(); I != E; ++I) { + switch (*I) { + LLVM_READOBJ_ARMATTR_STRCASE(CPU_name) + LLVM_READOBJ_ARMATTR_STRCASE(CPU_raw_name) + LLVM_READOBJ_ARMATTR_NUMCASE(CPU_arch) + LLVM_READOBJ_ARMATTR_NUMCASE(CPU_arch_profile) + LLVM_READOBJ_ARMATTR_NUMCASE(ARM_ISA_use) + LLVM_READOBJ_ARMATTR_NUMCASE(THUMB_ISA_use) + LLVM_READOBJ_ARMATTR_NUMCASE(FP_arch) + LLVM_READOBJ_ARMATTR_NUMCASE(WMMX_arch) + LLVM_READOBJ_ARMATTR_NUMCASE(Advanced_SIMD_arch) + LLVM_READOBJ_ARMATTR_NUMCASE(PCS_config) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_PCS_R9_use) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_PCS_RW_data) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_PCS_RO_data) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_PCS_GOT_use) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_PCS_wchar_t) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_FP_rounding) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_FP_denormal) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_FP_exceptions) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_FP_user_exceptions) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_FP_number_model) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_align8_needed) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_align8_preserved) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_enum_size) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_HardFP_use) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_VFP_args) + LLVM_READOBJ_ARMATTR_NUMCASE(CPU_unaligned_access) + LLVM_READOBJ_ARMATTR_NUMCASE(FP_HP_extension) + LLVM_READOBJ_ARMATTR_NUMCASE(MPextension_use) + LLVM_READOBJ_ARMATTR_NUMCASE(DIV_use) + LLVM_READOBJ_ARMATTR_NUMCASE(T2EE_use) + LLVM_READOBJ_ARMATTR_NUMCASE(Virtualization_use) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_optimization_goals) + LLVM_READOBJ_ARMATTR_NUMCASE(ABI_FP_optimization_goals) + default: + break; + } + } +} -- cgit v1.2.3