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| author | Reid Kleckner <rnk@google.com> | 2018-06-22 23:53:22 +0000 |
|---|---|---|
| committer | Reid Kleckner <rnk@google.com> | 2018-06-22 23:53:22 +0000 |
| commit | 330f65b3e8eb308c2501c381de37f9bd715d99eb (patch) | |
| tree | 892282af7d73d9012481b910334d5c68c662fdd7 /llvm/test/ExecutionEngine/RuntimeDyld | |
| parent | ef115de6290d10922f5f82d2e004532a337f2ec6 (diff) | |
| download | bcm5719-llvm-330f65b3e8eb308c2501c381de37f9bd715d99eb.tar.gz bcm5719-llvm-330f65b3e8eb308c2501c381de37f9bd715d99eb.zip | |
[RuntimeDyld] Implement the ELF PIC large code model relocations
Prerequisite for https://reviews.llvm.org/D47211 which improves our ELF
large PIC codegen.
llvm-svn: 335402
Diffstat (limited to 'llvm/test/ExecutionEngine/RuntimeDyld')
| -rw-r--r-- | llvm/test/ExecutionEngine/RuntimeDyld/X86/ELF-large-pic-relocations.s | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/llvm/test/ExecutionEngine/RuntimeDyld/X86/ELF-large-pic-relocations.s b/llvm/test/ExecutionEngine/RuntimeDyld/X86/ELF-large-pic-relocations.s new file mode 100644 index 00000000000..3cf244d8263 --- /dev/null +++ b/llvm/test/ExecutionEngine/RuntimeDyld/X86/ELF-large-pic-relocations.s @@ -0,0 +1,104 @@ +# RUN: rm -rf %t && mkdir -p %t && cd %t +# RUN: llvm-mc -triple=x86_64-unknown-freebsd -filetype=obj -o t.o %s +# RUN: llvm-rtdyld -triple=x86_64-unknown-linux -verify -check=%s t.o -dummy-extern=extern_data=0x4200000000 + +# Generated from this C source: +# +# static int static_data[10]; +# int global_data[10] = {1, 2}; +# extern int extern_data[10]; +# +# int *lea_static_data() { return &static_data[0]; } +# int *lea_global_data() { return &global_data[0]; } +# int *lea_extern_data() { return &extern_data[0]; } + + .text + .file "model.c" + .globl lea_static_data # -- Begin function lea_static_data + .p2align 4, 0x90 + .type lea_static_data,@function +lea_static_data: # @lea_static_data + .cfi_startproc +# %bb.0: +.Ltmp0: + leaq .Ltmp0(%rip), %rcx +# rtdyld-check: decode_operand(lea_static_got, 1) = section_addr(t.o, .got) - lea_static_data +lea_static_got: + movabsq $_GLOBAL_OFFSET_TABLE_-.Ltmp0, %rax + addq %rax, %rcx +# rtdyld-check: decode_operand(lea_static_gotoff, 1) = static_data - section_addr(t.o, .got) +lea_static_gotoff: + movabsq $static_data@GOTOFF, %rax + addq %rcx, %rax + retq +.Lfunc_end0: + .size lea_static_data, .Lfunc_end0-lea_static_data + .cfi_endproc + + + .globl lea_global_data # -- Begin function lea_global_data + .p2align 4, 0x90 + .type lea_global_data,@function +lea_global_data: # @lea_global_data + .cfi_startproc +# %bb.0: +.Ltmp1: + leaq .Ltmp1(%rip), %rcx +# rtdyld-check: decode_operand(lea_global_got, 1) = section_addr(t.o, .got) - lea_global_data +lea_global_got: + movabsq $_GLOBAL_OFFSET_TABLE_-.Ltmp1, %rax + addq %rax, %rcx +# rtdyld-check: decode_operand(lea_global_gotoff, 1) = global_data - section_addr(t.o, .got) +lea_global_gotoff: + movabsq $global_data@GOTOFF, %rax + addq %rcx, %rax + retq +.Lfunc_end1: + .size lea_global_data, .Lfunc_end1-lea_global_data + .cfi_endproc + + + .globl lea_extern_data # -- Begin function lea_extern_data + .p2align 4, 0x90 + .type lea_extern_data,@function +lea_extern_data: # @lea_extern_data + .cfi_startproc +# %bb.0: +.Ltmp2: + leaq .Ltmp2(%rip), %rax +# rtdyld-check: decode_operand(lea_extern_got, 1) = section_addr(t.o, .got) - lea_extern_data +lea_extern_got: + movabsq $_GLOBAL_OFFSET_TABLE_-.Ltmp2, %rcx + addq %rcx, %rax +# extern_data is the only thing in the GOT, so it'll be slot 0. +# rtdyld-check: decode_operand(lea_extern_gotslot, 1) = 0 +lea_extern_gotslot: + movabsq $extern_data@GOT, %rcx + movq (%rax,%rcx), %rax + retq +.Lfunc_end2: + .size lea_extern_data, .Lfunc_end2-lea_extern_data + .cfi_endproc + + + .type global_data,@object # @global_data + .data + .globl global_data + .p2align 4 +global_data: + .long 1 # 0x1 + .long 2 # 0x2 + .long 0 # 0x0 + .long 0 # 0x0 + .long 0 # 0x0 + .long 0 # 0x0 + .long 0 # 0x0 + .long 0 # 0x0 + .long 0 # 0x0 + .long 0 # 0x0 + .size global_data, 40 + + .type static_data,@object # @static_data + .local static_data + .comm static_data,40,16 + |
