llvm-6502/test/MC/ARM/eh-directive-section-multiple-func.s
Logan Chien c24a374331 Implement AsmParser for ARM unwind directives.
This commit implements the AsmParser for fnstart, fnend,
cantunwind, personality, handlerdata, pad, setfp, save, and
vsave directives.

This commit fixes some minor issue in the ARMELFStreamer:

* The switch back to corresponding section after the .fnend
  directive.

* Emit the unwind opcode while processing .fnend directive
  if there is no .handlerdata directive.

* Emit the unwind opcode to .ARM.extab while processing
  .handlerdata even if .personality directive does not exist.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-10 16:17:24 +00:00

130 lines
4.1 KiB
ArmAsm

@ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \
@ RUN: | llvm-readobj -s -sd -sr -t | FileCheck %s
@ Check whether the section is switched back properly.
@ The assembler should switch the section back to the corresponding section
@ after it have emitted the exception handling indices and tables. In this
@ test case, we are checking whether the section is correct when .section
@ directives is used.
@ In this example, func1 and func2 should be defined in .TEST1 section.
@ It is incorrect if the func2 is in .text, .ARM.extab.TEST1, or
@ .ARM.exidx.TEST1 sections.
.syntax unified
.section .TEST1
.globl func1
.align 2
.type func1,%function
.fnstart
func1:
bx lr
.personality __gxx_personality_v0
.handlerdata
.fnend
.globl func2
.align 2
.type func2,%function
.fnstart
func2:
bx lr
.personality __gxx_personality_v0
.handlerdata
.fnend
@-------------------------------------------------------------------------------
@ Check the .text section. This should be empty.
@-------------------------------------------------------------------------------
@ CHECK: Sections [
@ CHECK: Section {
@ CHECK: Name: .text
@ CHECK: SectionData (
@ CHECK: )
@ CHECK: }
@-------------------------------------------------------------------------------
@ Check the .TEST1 section. There should be two "bx lr" instructions.
@-------------------------------------------------------------------------------
@ CHECK: Section {
@ CHECK: Name: .TEST1
@ CHECK: SectionData (
@ CHECK: 0000: 1EFF2FE1 1EFF2FE1 |../.../.|
@ CHECK: )
@ CHECK: }
@-------------------------------------------------------------------------------
@ Check the .ARM.extab.TEST1 section.
@-------------------------------------------------------------------------------
@ CHECK: Section {
@ CHECK: Name: .ARM.extab.TEST1
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 __gxx_personality_v0 0x0
@ CHECK: 0x8 R_ARM_PREL31 __gxx_personality_v0 0x0
@ CHECK: ]
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 B0B0B000 00000000 B0B0B000 |................|
@ CHECK: )
@ CHECK: }
@-------------------------------------------------------------------------------
@ Check the .ARM.exidx.TEST1 section.
@-------------------------------------------------------------------------------
@ CHECK: Section {
@ CHECK: Name: .ARM.exidx.TEST1
@ CHECK: Link: 4
@-------------------------------------------------------------------------------
@ The first word of each entry should be relocated to .TEST1 section.
@ The second word of each entry should be relocated to
@ .ARM.extab.TESET1 section.
@-------------------------------------------------------------------------------
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 .TEST1 0x0
@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0
@ CHECK: 0x8 R_ARM_PREL31 .TEST1 0x0
@ CHECK: 0xC R_ARM_PREL31 .ARM.extab.TEST1 0x0
@ CHECK: ]
@-------------------------------------------------------------------------------
@ The first word should be the offset to .TEST1.
@ The second word should be the offset to .ARM.extab.TEST1
@-------------------------------------------------------------------------------
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 00000000 04000000 08000000 |................|
@ CHECK: )
@ CHECK: }
@ CHECK: ]
@-------------------------------------------------------------------------------
@ Check the symbols "func1" and "func2". They should belong to .TEST1 section.
@-------------------------------------------------------------------------------
@ CHECK: Symbols [
@ CHECK: Symbol {
@ CHECK: Name: func1
@ CHECK: Value: 0x0
@ CHECK: Size: 0
@ CHECK: Binding: Global (0x1)
@ CHECK: Type: Function (0x2)
@ CHECK: Other: 0
@ CHECK: Section: .TEST1 (0x4)
@ CHECK: }
@ CHECK: Symbol {
@ CHECK: Name: func2
@ CHECK: Value: 0x4
@ CHECK: Size: 0
@ CHECK: Binding: Global (0x1)
@ CHECK: Type: Function (0x2)
@ CHECK: Other: 0
@ CHECK: Section: .TEST1 (0x4)
@ CHECK: }
@ CHECK: ]