forked from OSchip/llvm-project
123 lines
3.9 KiB
Plaintext
123 lines
3.9 KiB
Plaintext
# Check veneer generation for R_ARM_JUMP24 relocation (B instruction call).
|
|
|
|
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-arm.o
|
|
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-thm.o
|
|
# RUN: lld -flavor gnu -target arm -m armelf_linux_eabi -Bstatic \
|
|
# RUN: --noinhibit-exec %t-arm.o %t-thm.o -o %t
|
|
# RUN: llvm-objdump -s -t %t | FileCheck -check-prefix=STATIC %s
|
|
|
|
# STATIC: Contents of section .text:
|
|
# STATIC: 400074 010000ea
|
|
# Call from main:
|
|
# offset = 0x4 ^^
|
|
# call site offset PC(arm) ___Z1fv_from_arm addr
|
|
# 0x400074 + 0x4 + 0x8 = 0x400080
|
|
#
|
|
# Code of the veneer:
|
|
# STATIC: {{[0-9a-f]+}} {{[0-9a-f]+}} 04f01fe5
|
|
# STATIC: 400084 79004000
|
|
# ^^ call addr = 0x400079
|
|
# call addr _Z1fv addr Thumb mode
|
|
# 0x400079 = 0x400078 | 0x1
|
|
#
|
|
# STATIC: SYMBOL TABLE:
|
|
# STATIC: 00400080 l F .text {{[0-9a-f]+}} ___Z1fv_from_arm
|
|
# STATIC: 00400074 g F .text {{[0-9a-f]+}} main
|
|
# STATIC: 00400078 g F .text {{[0-9a-f]+}} _Z1fv
|
|
|
|
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-arm.o
|
|
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-thm.o
|
|
# RUN: lld -flavor gnu -target arm -m armelf_linux_eabi \
|
|
# RUN: --noinhibit-exec %t-arm.o %t-thm.o -o %t
|
|
# RUN: llvm-objdump -s -t %t | FileCheck -check-prefix=EXEC-DYN %s
|
|
|
|
# EXEC-DYN: Contents of section .text:
|
|
# EXEC-DYN: 400114 010000ea
|
|
# Call from main:
|
|
# offset = 0x4 ^^
|
|
# call site offset PC(arm) ___Z1fv_from_arm addr
|
|
# 0x400114 + 0x4 + 0x8 = 0x400120
|
|
#
|
|
# Code of the veneer:
|
|
# EXEC-DYN: {{[0-9a-f]+}} {{[0-9a-f]+}} 04f01fe5
|
|
# EXEC-DYN: 400124 19014000
|
|
# call addr = 0x400119 ^^
|
|
# call addr _Z1fv addr Thumb mode
|
|
# 0x400119 = 0x400118 | 0x1
|
|
#
|
|
# EXEC-DYN: SYMBOL TABLE:
|
|
# EXEC-DYN: 00400120 l F .text {{[0-9a-f]+}} ___Z1fv_from_arm
|
|
# EXEC-DYN: 00400114 g F .text {{[0-9a-f]+}} main
|
|
# EXEC-DYN: 00400118 g F .text {{[0-9a-f]+}} _Z1fv
|
|
|
|
# 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: FEFFFFEA
|
|
- Name: .rel.text
|
|
Type: SHT_REL
|
|
Link: .symtab
|
|
AddressAlign: 0x0000000000000004
|
|
Info: .text
|
|
Relocations:
|
|
- Offset: 0x0000000000000000
|
|
Symbol: _Z1fv
|
|
Type: R_ARM_JUMP24
|
|
Addend: 0
|
|
- 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:
|
|
Global:
|
|
- Name: main
|
|
Type: STT_FUNC
|
|
Section: .text
|
|
- Name: _Z1fv
|
|
|
|
# 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: 4FF0000318467047
|
|
- 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:
|
|
Global:
|
|
- Name: _Z1fv
|
|
Type: STT_FUNC
|
|
Section: .text
|
|
Value: 0x0000000000000001
|
|
...
|