llvm-project/lld/test/elf/ARM/mapping-code-model.test

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# Check that mapping symbols are treated as ARM or Thumb code properly.
#
# 1. ARM <=> Thumb generates both veneers.
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-a-arm.o
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-t-thm.o
# RUN: lld -flavor gnu -target arm-linux-gnu --defsym=main=f_a \
# RUN: -Bstatic --noinhibit-exec %t-a-arm.o %t-t-thm.o -o %t
# RUN: llvm-objdump -t %t | FileCheck -check-prefix=INTER %s
# INTER: SYMBOL TABLE:
# INTER: {{[0-9a-f]+}} l F .text {{[0-9a-f]+}} __f_t_from_arm
# INTER: {{[0-9a-f]+}} l F .text {{[0-9a-f]+}} __f_a_from_thumb
# 2. Thumb <=> Thumb doesn't generate veneers.
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-a-thm.o
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-t-thm.o
# RUN: lld -flavor gnu -target arm-linux-gnu --defsym=main=f_t \
# RUN: -Bstatic --noinhibit-exec %t-t-thm.o %t-a-thm.o -o %t
# RUN: llvm-objdump -t %t | FileCheck -check-prefix=THUMB %s
# THUMB: SYMBOL TABLE:
# THUMB-NOT: {{[0-9a-f]+}} l F .text {{[0-9a-f]+}} __f_t_from_thumb
# THUMB-NOT: {{[0-9a-f]+}} l F .text {{[0-9a-f]+}} __f_a_from_thumb
# f-a-arm.o
---
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_ARM
Flags: [ EF_ARM_EABI_VER5 ]
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
AddressAlign: 0x0000000000000004
Content: 00482DE904B08DE2FEFFFFEBFEFFFFEA0030A0E10300A0E10088BDE8
- Name: .rel.text
Type: SHT_REL
Link: .symtab
AddressAlign: 0x0000000000000004
Info: .text
Relocations:
- Offset: 0x0000000000000008
Symbol: f_t
Type: R_ARM_CALL
- Offset: 0x000000000000000C
Symbol: f_t
Type: R_ARM_JUMP24
- Name: .data
Type: SHT_PROGBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Content: ''
- Name: .bss
Type: SHT_NOBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Symbols:
Local:
- Name: '$a'
Section: .text
Size: 0x0000000000000002
- Name: '$a.f_a'
Section: .text
Value: 0x0000000000000002
Global:
- Name: f_a
Type: STT_FUNC
Section: .text
- Name: f_t
# f-a-thm.o
---
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_ARM
Flags: [ EF_ARM_EABI_VER5 ]
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
AddressAlign: 0x0000000000000004
Content: 80B400AF00231846BD465DF8047B7047
- Name: .data
Type: SHT_PROGBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Content: ''
- Name: .bss
Type: SHT_NOBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Symbols:
Local:
- Name: '$t'
Section: .text
Size: 0x0000000000000002
- Name: '$t.f_a'
Section: .text
Value: 0x0000000000000002
Global:
- Name: f_a
Type: STT_FUNC
Section: .text
Value: 0x0000000000000001
# f-t-thm.o
---
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_ARM
Flags: [ EF_ARM_EABI_VER5 ]
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
AddressAlign: 0x0000000000000004
Content: 80B500AFFFF7FEFFFFF7FEBF0346184680BD00BF
- Name: .rel.text
Type: SHT_REL
Link: .symtab
AddressAlign: 0x0000000000000004
Info: .text
Relocations:
- Offset: 0x0000000000000004
Symbol: f_a
Type: R_ARM_THM_CALL
- Offset: 0x0000000000000008
Symbol: f_a
Type: R_ARM_THM_JUMP24
- Name: .data
Type: SHT_PROGBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Content: ''
- Name: .bss
Type: SHT_NOBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Symbols:
Local:
- Name: '$t'
Section: .text
Size: 0x0000000000000002
- Name: '$t.f_t'
Section: .text
Value: 0x0000000000000002
Global:
- Name: f_t
Type: STT_FUNC
Section: .text
Value: 0x0000000000000001
- Name: f_a
...