| # Test checks that --pad-before-funcs is working as expected. |
| # It should be able to introduce a configurable offset for the _start symbol. |
| # It should reject requests which don't obey the code alignment requirement. |
| |
| # Tests check inserting padding before _start; and additionally a test where |
| # padding is inserted after start. In each case, check that the following |
| # symbol ends up in the expected place as well. |
| |
| |
| # RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o |
| # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -Wl,--section-start=.text=0x4000 |
| # RUN: llvm-bolt %t.exe -o %t.bolt.0 --pad-funcs-before=_start:0 |
| # RUN: llvm-bolt %t.exe -o %t.bolt.4 --pad-funcs-before=_start:4 |
| # RUN: llvm-bolt %t.exe -o %t.bolt.8 --pad-funcs-before=_start:8 |
| # RUN: llvm-bolt %t.exe -o %t.bolt.4.4 --pad-funcs-before=_start:4 --pad-funcs=_start:4 |
| # RUN: llvm-bolt %t.exe -o %t.bolt.4.8 --pad-funcs-before=_start:4 --pad-funcs=_start:8 |
| |
| # RUN: not llvm-bolt %t.exe -o %t.bolt.1 --pad-funcs-before=_start:1 2>&1 | FileCheck --check-prefix=CHECK-BAD-ALIGN %s |
| |
| # CHECK-BAD-ALIGN: user-requested 1 padding bytes before function _start(*2) is not a multiple of the minimum function alignment (4). |
| |
| # RUN: llvm-objdump --section=.text --disassemble %t.bolt.0 | FileCheck --check-prefix=CHECK-0 %s |
| # RUN: llvm-objdump --section=.text --disassemble %t.bolt.4 | FileCheck --check-prefix=CHECK-4 %s |
| # RUN: llvm-objdump --section=.text --disassemble %t.bolt.8 | FileCheck --check-prefix=CHECK-8 %s |
| # RUN: llvm-objdump --section=.text --disassemble %t.bolt.4.4 | FileCheck --check-prefix=CHECK-4-4 %s |
| # RUN: llvm-objdump --section=.text --disassemble %t.bolt.4.8 | FileCheck --check-prefix=CHECK-4-8 %s |
| |
| # Trigger relocation mode in bolt. |
| .reloc 0, R_AARCH64_NONE |
| |
| .section .text |
| |
| # CHECK-0: 0000000000400000 <_start> |
| # CHECK-4: 0000000000400004 <_start> |
| # CHECK-4-4: 0000000000400004 <_start> |
| # CHECK-8: 0000000000400008 <_start> |
| .globl _start |
| _start: |
| ret |
| |
| # CHECK-0: 0000000000400004 <_subsequent> |
| # CHECK-4: 0000000000400008 <_subsequent> |
| # CHECK-4-4: 000000000040000c <_subsequent> |
| # CHECK-4-8: 0000000000400010 <_subsequent> |
| # CHECK-8: 000000000040000c <_subsequent> |
| .globl _subsequent |
| _subsequent: |
| ret |
