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Add PPC64_GLINK dynamic tag.

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Add support for the PPC64_GLINK dynamic tag which is used in the ElfV2 abi.

Differential Revision: https://reviews.llvm.org/D45574

llvm-svn: 330038
This commit is contained in:
Sean Fertile 2018-04-13 16:42:48 +00:00
parent 22bc24cee7
commit b9556857d8
4 changed files with 38 additions and 0 deletions
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15
include/llvm/BinaryFormat/DynamicTags.def
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@ -16,6 +16,11 @@
#define MIPS_DYNAMIC_TAG_DEFINED
#endif
#ifndef PPC64_DYNAMIC_TAG
#define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
#define PPC64_DYNAMIC_TAG_DEFINED
#endif
#ifndef DYNAMIC_TAG_MARKER
#define DYNAMIC_TAG_MARKER(name, value) DYNAMIC_TAG(name, value)
#define DYNAMIC_TAG_MARKER_DEFINED
@ -171,6 +176,10 @@ MIPS_DYNAMIC_TAG(MIPS_RWPLT, 0x70000034) // Points to the base
MIPS_DYNAMIC_TAG(MIPS_RLD_MAP_REL, 0x70000035) // Relative offset of run time loader
// map, used for debugging.
// PPC64 specific dynamic table entries.
PPC64_DYNAMIC_TAG(PPC64_GLINK, 0x70000000) // Address of 32 bytes before the
// first glink lazy resolver stub.
// Sun machine-independent extensions.
DYNAMIC_TAG(AUXILIARY, 0x7FFFFFFD) // Shared object to load before self
DYNAMIC_TAG(FILTER, 0x7FFFFFFF) // Shared object to get values from
@ -181,7 +190,13 @@ DYNAMIC_TAG(FILTER, 0x7FFFFFFF) // Shared object to get values from
#endif
#ifdef MIPS_DYNAMIC_TAG_DEFINED
#undef MIPS_DYNAMIC_TAG
#undef MIPS_DYNAMIC_TAG_DEFINED
#endif
#ifdef HEXAGON_DYNAMIC_TAG_DEFINED
#undef HEXAGON_DYNAMIC_TAG
#undef HEXAGON_DYNAMIC_TAG_DEFINED
#endif
#ifdef PPC64_DYNAMIC_TAG_DEFINED
#undef PPC64_DYNAMIC_TAG
#undef PPC64_DYNAMIC_TAG_DEFINED
#endif

BIN
test/tools/llvm-readobj/Inputs/ppc64.exe Executable file
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11
test/tools/llvm-readobj/ppc64-glink.test Normal file
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@ -0,0 +1,11 @@
# Check DT_PPC64_GLINK dynamic tag.
RUN: llvm-readobj -dynamic-table %p/Inputs/ppc64.exe | FileCheck %s
CHECK: Format: ELF64-ppc64
CHECK: Arch: powerpc64le
CHECK: AddressSize: 64bit
CHECK: DynamicSection [ (25 entries)
CHECK-NEXT: Tag Type Name/Value
CHECK: 0x0000000070000000 PPC64_GLINK 0x10000830

12
tools/llvm-readobj/ELFDumper.cpp
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@ -1551,6 +1551,7 @@ static const char *getTypeString(unsigned Arch, uint64_t Type) {
#include "llvm/BinaryFormat/DynamicTags.def"
#undef HEXAGON_DYNAMIC_TAG
}
case EM_MIPS:
switch (Type) {
#define MIPS_DYNAMIC_TAG(name, value) \
@ -1559,12 +1560,22 @@ static const char *getTypeString(unsigned Arch, uint64_t Type) {
#include "llvm/BinaryFormat/DynamicTags.def"
#undef MIPS_DYNAMIC_TAG
}
case EM_PPC64:
switch(Type) {
#define PPC64_DYNAMIC_TAG(name, value) \
case DT_##name: \
return #name;
#include "llvm/BinaryFormat/DynamicTags.def"
#undef PPC64_DYNAMIC_TAG
}
}
#undef DYNAMIC_TAG
switch (Type) {
// Now handle all dynamic tags except the architecture specific ones
#define MIPS_DYNAMIC_TAG(name, value)
#define HEXAGON_DYNAMIC_TAG(name, value)
#define PPC64_DYNAMIC_TAG(name, value)
// Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
#define DYNAMIC_TAG_MARKER(name, value)
#define DYNAMIC_TAG(name, value) \
@ -1574,6 +1585,7 @@ static const char *getTypeString(unsigned Arch, uint64_t Type) {
#undef DYNAMIC_TAG
#undef MIPS_DYNAMIC_TAG
#undef HEXAGON_DYNAMIC_TAG
#undef PPC64_DYNAMIC_TAG
#undef DYNAMIC_TAG_MARKER
default: return "unknown";
}