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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-05-20 20:01:01 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-05-20 20:01:01 +0000 |
| commit | 298c8e12ea063f7522c59d2a297b47a879b6ed55 (patch) | |
| tree | b96d401dd72cd9f9bcb5f48bbe6bb9e39c27105c /test | |
| parent | 6d5502eb4966fb2f81fe951d0acf11cfa5cd4acf (diff) | |
| download | external_llvm-298c8e12ea063f7522c59d2a297b47a879b6ed55.zip external_llvm-298c8e12ea063f7522c59d2a297b47a879b6ed55.tar.gz external_llvm-298c8e12ea063f7522c59d2a297b47a879b6ed55.tar.bz2 | |
fixes target address tBL and tBLX and sets relocation type
of tBL/tBLX to R_ARM_THM_CALL (ARM ELF 4.7.1.6)
Patch by koan-sin tan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131748 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/MC/ARM/elf-thumbfunc-reloc.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/MC/ARM/elf-thumbfunc-reloc.ll b/test/MC/ARM/elf-thumbfunc-reloc.ll new file mode 100644 index 0000000..6fce403 --- /dev/null +++ b/test/MC/ARM/elf-thumbfunc-reloc.ll @@ -0,0 +1,37 @@ +; RUN: llc %s -mtriple=thumbv7-linux-gnueabi -relocation-model=pic \ +; RUN: -filetype=obj -o - | elf-dump --dump-section-data | \ +; RUN: FileCheck %s + +; FIXME: This file needs to be in .s form! +; We wanna test relocatable thumb function call, +; but ARMAsmParser cannot handle "bl foo(PLT)" yet + +target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:32-n32" +target triple = "thumbv7-none--gnueabi" + +define void @foo() nounwind { +entry: + ret void +} + +define void @bar() nounwind { +entry: + call void @foo() + ret void +} + + +; make sure that bl 0 <foo> (fff7feff) is correctly encoded +; CHECK: '_section_data', '70470000 2de90048 fff7feff bde80088' + +; Offset Info Type Sym.Value Sym. Name +; 00000008 0000070a R_ARM_THM_CALL 00000001 foo +; CHECK: Relocation 0x00000000 +; CHECK-NEXT: 'r_offset', 0x00000008 +; CHECK-NEXT: 'r_sym', 0x00000007 +; CHECK-NEXT: 'r_type', 0x0000000a + +; make sure foo is thumb function: bit 0 = 1 +; CHECK: Symbol 0x00000007 +; CHECK-NEXT: 'foo' +; CHECK-NEXT: 'st_value', 0x00000001 |