maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[ELF] Customize dynamic table tag used for .got.plt section referencing. 

The patch reviewed by Shankar Easwaran and Rui Ueyama.

llvm-svn: 200630
This commit is contained in:
Simon Atanasyan 2014-02-02 12:19:29 +00:00
parent 8379ad056d
commit e6f6f06c91
3 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h
View File

@ -89,6 +89,8 @@ public:
_mipsTargetLayout.findOutputSection(".got")->virtualAddr();
}
virtual int64_t getGotPltTag() { return DT_MIPS_PLTGOT; }
private:
std::size_t _dt_symtabno;
std::size_t _dt_localgot;

6
lld/lib/ReaderWriter/ELF/SectionChunks.h
View File

@ -1080,7 +1080,7 @@ public:
if (_layout.hasPLTRelocationTable()) {
dyn.d_tag = DT_PLTRELSZ;
_dt_pltrelsz = addEntry(dyn);
dyn.d_tag = DT_PLTGOT;
dyn.d_tag = getGotPltTag();
_dt_pltgot = addEntry(dyn);
dyn.d_tag = DT_PLTREL;
dyn.d_un.d_val = isRela ? DT_RELA : DT_REL;
@ -1091,6 +1091,10 @@ public:
}
}
/// \brief Dynamic table tag for .got.plt section referencing.
/// Usually but not always targets use DT_PLTGOT for that.
virtual int64_t getGotPltTag() { return DT_PLTGOT; }
virtual void finalize() {
StringTable<ELFT> *dynamicStringTable =
_dynamicSymbolTable->getStringTable();

3
lld/test/elf/Mips/exe-dynamic.test
View File

@ -24,7 +24,7 @@
# CHECK: 0x0000001A FINI_ARRAY 0x0
# CHECK: 0x0000001C FINI_ARRAYSZ 0 (bytes)
# CHECK: 0x00000002 PLTRELSZ 8 (bytes)
# CHECK: 0x00000003 PLTGOT 0x402000
# CHECK: 0x70000032 MIPS_PLTGOT 0x402000
# CHECK: 0x00000014 PLTREL REL
# CHECK: 0x00000017 JMPREL 0x400162
# CHECK: 0x70000001 MIPS_RLD_VERSION 1
@ -33,6 +33,7 @@
# CHECK: 0x7000000A MIPS_LOCAL_GOTNO 2
# CHECK: 0x70000011 MIPS_SYMTABNO 2
# CHECK: 0x70000013 MIPS_GOTSYM 0x2
# CHECK: 0x00000003 PLTGOT 0x401000
# CHECK: 0x00000001 NEEDED SharedLibrary (exe-dynamic.test.{{.*}})
# CHECK: 0x00000000 NULL 0x0
# CHECK: ]