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[ELF][Hexagon] Create .got.plt entries with the appropriate alignment 

llvm-svn: 178467
This commit is contained in:
Shankar Easwaran 2013-04-01 15:14:34 +00:00
parent cbe06ca340
commit 1d9e531856
6 changed files with 27 additions and 19 deletions
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3
lld/lib/ReaderWriter/ELF/DynamicLibraryWriter.h
View File

@ -54,6 +54,9 @@ void DynamicLibraryWriter<ELFT>::buildDynamicSymbolTable(const File &file) {
atom->_virtualAddr, atom);
}
for (const UndefinedAtom *a : file.undefined())
this->_dynamicSymbolTable->addSymbol(a, ELF::SHN_UNDEF);
OutputELFWriter<ELFT>::buildDynamicSymbolTable(file);
}

16
lld/lib/ReaderWriter/ELF/Hexagon/HexagonDynamicAtoms.h
View File

@ -17,27 +17,29 @@ namespace lld {
namespace elf {
class HexagonGOTAtom : public GOTAtom {
static const uint8_t _defaultContent[8];
static const uint8_t _defaultContent[4];
public:
HexagonGOTAtom(const File &f) : GOTAtom(f, ".got") {}
virtual ArrayRef<uint8_t> rawContent() const {
return ArrayRef<uint8_t>(_defaultContent, 8);
return ArrayRef<uint8_t>(_defaultContent, 4);
}
virtual Alignment alignment() const { return Alignment(2); }
};
class HexagonGOTPLTAtom : public GOTAtom {
static const uint8_t _defaultContent[8];
static const uint8_t _defaultContent[4];
public:
HexagonGOTPLTAtom(const File &f) : GOTAtom(f, ".got.plt") {}
virtual ArrayRef<uint8_t> rawContent() const {
return ArrayRef<uint8_t>(_defaultContent, 8);
return ArrayRef<uint8_t>(_defaultContent, 4);
}
virtual Alignment alignment() const { return Alignment(2); }
};
class HexagonGOTPLT0Atom : public GOTAtom {
@ -49,10 +51,12 @@ public:
virtual ArrayRef<uint8_t> rawContent() const {
return ArrayRef<uint8_t>(_defaultContent, 16);
}
virtual Alignment alignment() const { return Alignment(3); }
};
const uint8_t HexagonGOTAtom::_defaultContent[8] = { 0 };
const uint8_t HexagonGOTPLTAtom::_defaultContent[8] = { 0 };
const uint8_t HexagonGOTAtom::_defaultContent[4] = { 0 };
const uint8_t HexagonGOTPLTAtom::_defaultContent[4] = { 0 };
const uint8_t HexagonGOTPLT0Atom::_defaultContent[16] = { 0 };
class HexagonPLTAtom : public PLTAtom {

1
lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.cpp
View File

@ -38,6 +38,7 @@ template <class Derived> class GOTPLTPass : public Pass {
void handleReference(const DefinedAtom &atom, const Reference &ref) {
switch (ref.kind()) {
case R_HEX_PLT_B22_PCREL:
case R_HEX_B22_PCREL:
static_cast<Derived *>(this)->handlePLT32(ref);
break;
case R_HEX_GOT_LO16:

16
lld/test/elf/Hexagon/dynlib-gotoff.test
View File

@ -10,7 +10,7 @@ CHECKGOTPLT: alignment: 2^3
CHECKGOTPLT: section-name: .got.plt
- name: __got_c
CHECKGOTPLT: type: got
CHECKGOTPLT: content: [ 00, 00, 00, 00, 00, 00, 00, 00 ]
CHECKGOTPLT: content: [ 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^2
CHECKGOTPLT: section-name: .got
CHECKGOTPLT: permissions: rw-
@ -20,7 +20,7 @@ CHECKGOTPLT: offset: 0
CHECKGOTPLT: target: c
- name: __got_shankar
CHECKGOTPLT: type: got
CHECKGOTPLT: content: [ 00, 00, 00, 00, 00, 00, 00, 00 ]
CHECKGOTPLT: content: [ 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^2
CHECKGOTPLT: section-name: .got
CHECKGOTPLT: permissions: rw-
@ -30,8 +30,8 @@ CHECKGOTPLT: offset: 0
CHECKGOTPLT: target: shankar
- name: __got_fn
CHECKGOTPLT: type: got
CHECKGOTPLT: content: [ 00, 00, 00, 00, 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^3
CHECKGOTPLT: content: [ 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^2
CHECKGOTPLT: section-name: .got.plt
CHECKGOTPLT: permissions: rw-
CHECKGOTPLT: references:
@ -43,8 +43,8 @@ CHECKGOTPLT: offset: 0
target: .PLT0
- name: __got_fn1
CHECKGOTPLT: type: got
CHECKGOTPLT: content: [ 00, 00, 00, 00, 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^3
CHECKGOTPLT: content: [ 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^2
CHECKGOTPLT: section-name: .got.plt
CHECKGOTPLT: permissions: rw-
CHECKGOTPLT: references:
@ -56,8 +56,8 @@ CHECKGOTPLT: offset: 0
target: .PLT0
- name: __got_fn2
CHECKGOTPLT: type: got
CHECKGOTPLT: content: [ 00, 00, 00, 00, 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^3
CHECKGOTPLT: content: [ 00, 00, 00, 00 ]
CHECKGOTPLT: alignment: 2^2
CHECKGOTPLT: section-name: .got.plt
CHECKGOTPLT: permissions: rw-
CHECKGOTPLT: references:

6
lld/test/elf/Hexagon/dynlib-hash.test
View File

@ -4,6 +4,6 @@ RUN: llvm-objdump -s %t > %t1
RUN: FileCheck -check-prefix=CHECKHASH %s < %t1
CHECKHASH: Contents of section .hash:
CHECKHASH: 00b4 03000000 06000000 05000000 01000000 ................
CHECKHASH: 00c4 04000000 00000000 00000000 00000000 ................
CHECKHASH: 00d4 00000000 03000000 02000000 ............
CHECKHASH: 00b4 03000000 07000000 06000000 01000000 ................
CHECKHASH: 00c4 04000000 00000000 00000000 00000000 ................
CHECKHASH: 00d4 00000000 03000000 02000000 05000000 ................

4
lld/test/elf/Hexagon/dynlib-syms.test
View File

@ -3,6 +3,6 @@ RUN: -output=%t -output=%t -noinhibit-exec -output-type=shared
RUN: llvm-nm -n -s %t > %t1
RUN: FileCheck -check-prefix=CHECKSYMS %s < %t1
CHECKSYMS: 00000288 A _DYNAMIC
CHECKSYMS: 00001010 A _GLOBAL_OFFSET_TABLE_
CHECKSYMS: 000002a8 A _DYNAMIC
CHECKSYMS: 00001008 A _GLOBAL_OFFSET_TABLE_
CHECKSYMS: 00002000 A _SDA_BASE_