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Add support for R_386_PC32. 

llvm-svn: 248275
This commit is contained in:
Rafael Espindola 2015-09-22 13:47:45 +00:00
parent d10ca9deee
commit a794fd44a1
2 changed files with 21 additions and 0 deletions
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3
lld/ELF/InputSection.cpp
View File

@ -33,6 +33,9 @@ void InputSection<ELFT>::relocateOne(uint8_t *Buf, const Elf_Rel &Rel,
uint8_t *Location = Buf + Offset;
uint32_t Addend = *(support::ulittle32_t *)Location;
switch (Type) {
case R_386_PC32:
support::endian::write32le(Location, SymVA + Addend - (BaseAddr + Offset));
break;
case R_386_32:
support::endian::write32le(Location, SymVA + Addend);
break;

18
lld/test/elf2/relocation-i686.s
View File

@ -11,6 +11,24 @@ _start:
R_386_32:
movl $R_386_32 + 1, %edx
.section .R_386_PC32,"ax",@progbits,unique,1
.global R_386_PC32
R_386_PC32:
call R_386_PC32_2
.section .R_386_PC32,"ax",@progbits,unique,2
.zero 4
R_386_PC32_2:
nop
// CHECK: Disassembly of section .R_386_32:
// CHECK-NEXT: R_386_32:
// CHECK-NEXT: 11000: {{.*}} movl $69633, %edx
// CHECK: Disassembly of section .R_386_PC32:
// CHECK-NEXT: R_386_PC32:
// CHECK-NEXT: 11005: e8 04 00 00 00 calll 4
// CHECK: R_386_PC32_2:
// CHECK-NEXT: 1100e: 90 nop