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llvm-6502/test/MC/COFF/simple-fixups.s

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MC, COFF: Use relocations for function references inside the section Referencing one symbol from another in the same section does not generally require a relocation. However, the MS linker has a feature called /INCREMENTAL which enables incremental links. It achieves this by creating thunks to the actual function and redirecting all relocations to point to the thunk. This breaks down with the old scheme if you have a function which references, say, itself. On x86_64, we would use %rip relative addressing to reference the start of the function from out current position. This would lead to miscompiles because other references might reference the thunk instead, breaking function pointer equality. This fixes PR21520. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221678 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-11 08:43:57 +00:00
// The purpose of this test is to verify that we produce relocations for
// references to functions. Failing to do so might cause pointer-to-function
// equality to fail if /INCREMENTAL links are used.
Remove some hard coded CR-LFs. Some of these were the entire files, one of these was just one line of a file. Explicitly set the eol-style property on the files to try and ensure this fix stays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25 07:11:23 +00:00
Replace coff-/elf-dump with llvm-readobj git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179361 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12 04:06:46 +00:00
// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj -s | FileCheck %s
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj -s | FileCheck %s
Remove some hard coded CR-LFs. Some of these were the entire files, one of these was just one line of a file. Explicitly set the eol-style property on the files to try and ensure this fix stays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25 07:11:23 +00:00
.def _foo;
.scl 2;
.type 32;
.endef
.text
.globl _foo
.align 16, 0x90
_foo: # @foo
# BB#0: # %e
.align 16, 0x90
LBB0_1: # %i
# =>This Inner Loop Header: Depth=1
jmp LBB0_1
.def _bar;
.scl 2;
.type 32;
.endef
.globl _bar
.align 16, 0x90
_bar: # @bar
# BB#0: # %e
.align 16, 0x90
LBB1_1: # %i
# =>This Inner Loop Header: Depth=1
jmp LBB1_1
.def _baz;
.scl 2;
.type 32;
.endef
.globl _baz
.align 16, 0x90
_baz: # @baz
# BB#0: # %e
subl $4, %esp
Ltmp0:
Replace coff-/elf-dump with llvm-readobj git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179361 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12 04:06:46 +00:00
call _baz
Remove some hard coded CR-LFs. Some of these were the entire files, one of these was just one line of a file. Explicitly set the eol-style property on the files to try and ensure this fix stays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25 07:11:23 +00:00
addl $4, %esp
ret
Replace coff-/elf-dump with llvm-readobj git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179361 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12 04:06:46 +00:00
// CHECK: Sections [
MC, COFF: Use relocations for function references inside the section Referencing one symbol from another in the same section does not generally require a relocation. However, the MS linker has a feature called /INCREMENTAL which enables incremental links. It achieves this by creating thunks to the actual function and redirecting all relocations to point to the thunk. This breaks down with the old scheme if you have a function which references, say, itself. On x86_64, we would use %rip relative addressing to reference the start of the function from out current position. This would lead to miscompiles because other references might reference the thunk instead, breaking function pointer equality. This fixes PR21520. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221678 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-11 08:43:57 +00:00
// CHECK: RelocationCount: 1
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