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@ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \
@ RUN: | llvm-readobj -s -sd -sr | FileCheck %s
@ Check the .fnstart directive and the .fnend directive.
@ The .fnstart directive and .fnend directive should create an entry in
@ exception handling table. For example, if the function is defined in .text
@ section, then there should be an entry in .ARM.exidx section.
.syntax unified
.text
.globl func1
.align 2
.type func1,%function
.fnstart
func1:
bx lr
.fnend
@-------------------------------------------------------------------------------
@ Check the .text section.
@-------------------------------------------------------------------------------
@ CHECK: Sections [
@ CHECK: Section {
@-------------------------------------------------------------------------------
@ Check the index of .text section. This will be used in .ARM.exidx.
@-------------------------------------------------------------------------------
@ CHECK: Index: 1
@ CHECK: Name: .text
@ CHECK: Type: SHT_PROGBITS (0x1)
@ CHECK: Flags [ (0x6)
@ CHECK: SHF_ALLOC (0x2)
@ CHECK: SHF_EXECINSTR (0x4)
@ CHECK: ]
@ CHECK: SectionData (
@ CHECK: 0000: 1EFF2FE1 |../.|
@ CHECK: )
@ CHECK: }
@-------------------------------------------------------------------------------
@ Check the name of the EXIDX section. For the function in the .text section,
@ this should be .ARM.exidx. It is incorrect to see .ARM.exidx.text here.
@-------------------------------------------------------------------------------
@ CHECK: Section {
@ CHECK: Name: .ARM.exidx
@ CHECK: Type: SHT_ARM_EXIDX (0x70000001)
@ CHECK: Flags [ (0x82)
@ CHECK: SHF_ALLOC (0x2)
@ CHECK: SHF_LINK_ORDER (0x80)
@ CHECK: ]
@-------------------------------------------------------------------------------
@ Check the linked section of the EXIDX section. This should be the index
@ of the .text section.
@-------------------------------------------------------------------------------
@ CHECK: Link: 1
@-------------------------------------------------------------------------------
@ The first word should be the offset to .text. The second word should be
@ 0xB0B0B080, which means compact model 0 is used (0x80) and the rest of the
@ word is filled with FINISH opcode (0xB0).
@-------------------------------------------------------------------------------
@ CHECK: SectionData (
@ CHECK: 0000: 00000000 B0B0B080 |........|
@ CHECK: )
@ CHECK: }
@ CHECK: ]
@-------------------------------------------------------------------------------
@ The first word should be relocated to the code address in .text section.
@ Besides, since this function is using compact model 0, thus we have to
@ add an relocation to __aeabi_unwind_cpp_pr0.
@-------------------------------------------------------------------------------
@ CHECK: Relocations [
@ CHECK: 0x0 R_ARM_PREL31 .text 0x0
@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
@ CHECK: ]
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