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ELF symbol table field st_other support, 

excluding visibility bits.

Mips (o32 abi) specific e_header setting.

EF_MIPS_ABI_O32 needs to be set in the 
ELF header flags for o32 abi output.

Contributer: Reed Kotler
llvm-svn: 175569
This commit is contained in:
Jack Carter 2013-02-19 22:29:00 +00:00
parent ae2fd9c97d
commit 10c97e5ca0
3 changed files with 12 additions and 7 deletions
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1
llvm/include/llvm/Support/ELF.h
View File

@ -738,6 +738,7 @@ enum {
EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
EF_MIPS_PIC = 0x00000002, // Position independent code
EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI
//ARCH_ASE
EF_MIPS_MICROMIPS = 0x02000000, // microMIPS

4
llvm/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp
View File

@ -54,6 +54,10 @@ namespace llvm {
if (Subtarget.inMicroMipsMode())
EFlags |= ELF::EF_MIPS_MICROMIPS;
// ABI
if (Subtarget.isABI_O32())
EFlags |= ELF::EF_MIPS_ABI_O32;
// Relocation Model
Reloc::Model RM = Subtarget.getRelocationModel();
if (RM == Reloc::PIC_ || RM == Reloc::Default)

14
llvm/test/MC/Mips/elf_eflags.ll
View File

@ -28,22 +28,22 @@
; RUN: llc -filetype=obj -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mips16 -relocation-model=pic %s -o - | elf-dump --dump-section-data | FileCheck -check-prefix=CHECK-LE32R2-MIPS16 %s
; 32(R1) bit with NO_REORDER and static
; CHECK-BE32: ('e_flags', 0x50000001)
; CHECK-BE32: ('e_flags', 0x50001001)
;
; 32(R1) bit with NO_REORDER and PIC
; CHECK-BE32_PIC: ('e_flags', 0x50000003)
; CHECK-BE32_PIC: ('e_flags', 0x50001003)
;
; 32R2 bit with NO_REORDER and static
; CHECK-BE32R2: ('e_flags', 0x70000001)
; CHECK-BE32R2: ('e_flags', 0x70001001)
;
; 32R2 bit with NO_REORDER and PIC
; CHECK-BE32R2_PIC: ('e_flags', 0x70000003)
; CHECK-BE32R2_PIC: ('e_flags', 0x70001003)
;
; 32R2 bit MICROMIPS with NO_REORDER and static
; CHECK-BE32R2-MICROMIPS: ('e_flags', 0x72000001)
; CHECK-BE32R2-MICROMIPS: ('e_flags', 0x72001001)
;
; 32R2 bit MICROMIPS with NO_REORDER and PIC
;CHECK-BE32R2-MICROMIPS_PIC: ('e_flags', 0x72000003)
;CHECK-BE32R2-MICROMIPS_PIC: ('e_flags', 0x72001003)
;
; 64(R1) bit with NO_REORDER and static
; CHECK-BE64: ('e_flags', 0x60000001)
@ -58,7 +58,7 @@
; CHECK-BE64R2_PIC: ('e_flags', 0x80000003)
;
; 32R2 bit MIPS16 with PIC
; CHECK-LE32R2-MIPS16: ('e_flags', 0x74000002)
; CHECK-LE32R2-MIPS16: ('e_flags', 0x74001002)
define i32 @main() nounwind {
entry: