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stage0: Leverage label>base in stage0 gdb header.

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* stage0/elf32-header-exit-42.hex2: Replace calculated addresses with label>base.
* stage0/elf32-body-exit-42.hex2: Likewise.
This commit is contained in:
Jan Nieuwenhuizen 2017-06-19 22:45:51 +02:00
parent f63d278cec
commit cfca4c5cc1
2 changed files with 115 additions and 139 deletions
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58
stage0/elf32-body-exit-42.hex2
View file

@ -29,29 +29,19 @@
:ELF_text :ELF_text
:_start :_start
# exit(42) # exit(42)
#e8 0b 00 00 00 # call +11 <main> e8 %main # call +11 <main>
e8 %main
00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
# @210 # @210
:main :main
bb 2a 00 00 00 # mov $42,%ebx bb 2a 00 00 00 # mov $42,%ebx
b8 01 00 00 00 # mov $0x1,%eax b8 01 00 00 00 # mov $0x1,%eax
cd 80 # int $0x80 cd 80 # int $0x80
00 00 00 00 00 00 00 00
# # @210
# :main
# c9 # RET
# 00 00 00
# 00 00 00 00
# 00 00 00 00
# 00 00 00 00
# @220 # @220
:ELF_data :ELF_data
65 78 69 74 34 32 20 64 61 74 61 20 68 65 72 65 # exit42 data here" 65 78 69 74 34 32 20 64 61 74 61 20 68 65 72 65 # exit42 data here"
@ -59,33 +49,35 @@ cd 80 # int $0x80
# @230 # @230
:ELF_str :ELF_str
00 # 0 00 # 0
5f 73 74 61 72 74 00 # _start :ELF_str__start
6d 61 69 6e 00 # main 5f 73 74 61 72 74 00 # _start
:ELF_str__main
6d 61 69 6e 00 # main
00 00 00 00 00 00
# @240 # @240
:ELF_sym :ELF_sym
00 00 00 00 # st-name 00 00 00 00 # st-name
00 00 00 00 # st-offset: &_start - BaseAddress 00 00 00 00 # st-offset: &_start - BaseAddress
00 00 00 00 # st-len : &main - _start 00 00 00 00 # st-len : &main - _start
00 # st-info = stt-func= 2 00 # st-info = stt-func= 2
00 # st-other 00 # st-other
01 00 # st-shndx: 1 01 00 # st-shndx: 1
# _start # _start
01 00 00 00 # st-name %ELF_str__start>ELF_str # st-name
&_start &_start
10 00 00 00 # st-len : &main - _start 10 00 00 00 # st-len : &main - _start
02 # st-info = stt-func= 2 02 # st-info = stt-func= 2
00 # st-other 00 # st-other
01 00 # st-shndx: 1 01 00 # st-shndx: 1
# main # main
08 00 00 00 # st-name %ELF_str__main>ELF_str # st-name
&main &main
10 00 00 00 # st-len : &ELF_data - main 10 00 00 00 # st-len : &ELF_data - main
02 # st-info = stt-func= 2 02 # st-info = stt-func= 2
00 # st-other 00 # st-other
01 00 # st-shndx: 1 01 00 # st-shndx: 1

196
stage0/elf32-header-exit-42.hex2
View file

@ -27,39 +27,38 @@
### elf32-header-exit-42.hex2: 32 bit elf header in hex2 for `exit 42' ### elf32-header-exit-42.hex2: 32 bit elf header in hex2 for `exit 42'
:ELF_base :ELF_base
## ELF Header 7F 45 4C 46 # e_ident[EI_MAG0-3] ELF's magic number
7F 45 4C 46 # e_ident[EI_MAG0-3] ELF's magic number
01 # e_ident[EI_CLASS] Indicating 32 bit 01 # e_ident[EI_CLASS] Indicating 32 bit
01 # e_ident[EI_DATA] Indicating little endianness 01 # e_ident[EI_DATA] Indicating little endianness
01 # e_ident[EI_VERSION] Indicating original elf 01 # e_ident[EI_VERSION] Indicating original elf
00 # e_ident[EI_OSABI] Set at 0 because none cares 00 # e_ident[EI_OSABI] Set at 0 because none cares
00 # e_ident[EI_ABIVERSION] See above 00 # e_ident[EI_ABIVERSION] See above
00 00 00 00 00 00 00 # e_ident[EI_PAD] 00 00 00 00 00 00 00 # e_ident[EI_PAD]
02 00 # e_type Indicating Executable 02 00 # e_type Indicating Executable
03 00 # e_machine Indicating AMD64 03 00 # e_machine Indicating AMD64
01 00 00 00 # e_version Indicating original elf 01 00 00 00 # e_version Indicating original elf
&ELF_text # e_entry Address of the entry point &ELF_text # e_entry Address of the entry point
#&ELF_program_headers - &ELF_base # e_phoff Address of program header table %ELF_program_headers>ELF_base # e_phoff Address of program header table
40 00 00 00 # e_phoff Address of program header table %ELF_section_headers>ELF_base # e_shoff Address of section header table
#&ELF_section_headers - &ELF_base # e_phoff Address of program header table
d0 00 00 00 # e_shoff Address of section header table
00 00 00 00 # e_flags #d0 00 00 00 # e_shoff Address of section header table
34 00 # e_ehsize Indicating our 52 Byte header 00 00 00 00 # e_flags
20 00 # e_phentsize size of a program header table 34 00 # e_ehsize Indicating our 52 Byte header
02 00 # e_phnum number of entries in program table
28 00 # e_shentsize size of a section header table 20 00 # e_phentsize size of a program header table
07 00 # e_shnum number of entries in section table 02 00 # e_phnum number of entries in program table
04 00 # e_shstrndx index of the section names 28 00 # e_shentsize size of a section header table
07 00 # e_shnum number of entries in section table
04 00 # e_shstrndx index of the section names
# @34 # @34
00 00 00 00 00 00 00 00
@ -67,153 +66,138 @@ d0 00 00 00 # e_shoff Address of section header table
00 00 00 00 00 00 00 00
# @40 # @40
:ELF_program_headers
:ELF_program_header__text :ELF_program_header__text
01 00 00 00 # ph_type: PT-LOAD = 1 01 00 00 00 # ph_type: PT-LOAD = 1
00 00 00 00 # ph_offset 00 00 00 00 # ph_offset
&ELF_base # ph_vaddr &ELF_base # ph_vaddr
&ELF_base # ph_physaddr &ELF_base # ph_physaddr
00 03 00 00 # ph_filesz %ELF_end>ELF_base # ph_filesz
00 03 00 00 # ph_memsz %ELF_end>ELF_base # ph_memsz
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7 07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
01 00 00 00 # ph_align 01 00 00 00 # ph_align
# @60 # @60
:ELF_program_header__data :ELF_program_header__data
01 00 00 00 # ph_type: PT-LOAD = 1 01 00 00 00 # ph_type: PT-LOAD = 1
00 00 00 00 # ph_offset 00 00 00 00 # ph_offset
&ELF_base # ph_vaddr &ELF_base # ph_vaddr
&ELF_base # ph_physaddr &ELF_base # ph_physaddr
ff ff 00 00 # ph_filesz %ELF_end>ELF_base # ph_filesz
ff ff 00 00 # ph_memsz %ELF_end>ELF_base # ph_memsz
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7 07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
01 00 00 00 # ph_align 01 00 00 00 # ph_align
# @80 # @80
:ELF_comment :ELF_comment
4d 45 53 00 # MES 4d 45 53 00 # MES
00 00 00 00 # align
00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 # align
00 00 00 00 # align
4d 45 53 00 # MES 4d 45 53 00 # MES
00 00 00 00 # align
00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 # align
00 00 00 00 # align
# @a0 # @a0
:ELF_shstr :ELF_shstr
00 00
:ELF_shstr__text :ELF_shstr__text
2e 74 65 78 74 00 # .text 2e 74 65 78 74 00 # .text
:ELF_shstr__data :ELF_shstr__data
2e 64 61 74 61 00 # .data 2e 64 61 74 61 00 # .data
:ELF_shstr__comment :ELF_shstr__comment
2e 63 6f 6d 6d 65 6e 74 00 # .comment 2e 63 6f 6d 6d 65 6e 74 00 # .comment
:ELF_shstr__shstrtab :ELF_shstr__shstr
2e 73 68 73 74 72 74 61 62 00 # .shstrtab 2e 73 68 73 74 72 74 61 62 00 # .shstrtab
:ELF_shstr__symtab :ELF_shstr__sym
2e 73 79 6d 74 61 62 00 # .symtab 2e 73 79 6d 74 61 62 00 # .symtab
:ELF_shstr__strtab :ELF_shstr__str
2e 73 74 72 74 61 62 00 # .strtab 2e 73 74 72 74 61 62 00 # .strtab
# @d0 # @d0
:ELF_sections_headers :ELF_section_headers
00 00 00 00 # sh_name 00 00 00 00 # sh_name
00 00 00 00 # sh_type 00 00 00 00 # sh_type
00 00 00 00 # sh_flags 00 00 00 00 # sh_flags
00 00 00 00 # sh_addr 00 00 00 00 # sh_addr
00 00 00 00 # sh_offset 00 00 00 00 # sh_offset
00 00 00 00 # sh_length 00 00 00 00 # sh_length
00 00 00 00 # sh_link 00 00 00 00 # sh_link
00 00 00 00 # sh_info 00 00 00 00 # sh_info
01 00 00 00 # sh_1? 01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize 00 00 00 00 # sh_entsize
## FIXME: M0 for calculations? ## FIXME: M0 for calculations?
:ELF_section_header_text :ELF_section_header_text
#@ELF_shstr__text - @ELF_shstr # sh_name %ELF_shstr__text>ELF_shstr # sh_name
01 00 00 00 # sh_name 01 00 00 00 # sh_type = SHT_PROGBITS = 1
01 00 00 00 # sh_type = SHT_PROGBITS = 1 06 00 00 00 # sh_flags = SHF-ALLOC|SHF-EXEC =2 | 4 = 6
06 00 00 00 # sh_flags = SHF-ALLOC|SHF-EXEC =2 | 4 = 6 &ELF_text # sh_addr
#&ELF_base # sh_addr %ELF_text>ELF_base # sh_offset
&ELF_text # sh_addr %ELF_data>ELF_text # sh_length
#@ELF_text - @ELF_base # sh_addr 00 00 00 00 # sh_link
00 02 00 00 # sh_offset 00 00 00 00 # sh_info
#@ELF_data - @ELF_text # sh_length 01 00 00 00 # sh_1?
20 00 00 00 # sh_length 00 00 00 00 # sh_entsize
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize
:ELF_section_header_data :ELF_section_header_data
#@ELF_shstr__data - @ELF_shstr # sh_name %ELF_shstr__data>ELF_shstr # sh_name
07 00 00 00 # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1 01 00 00 00 # sh_type = SHT_PROGBITS = 1
03 00 00 00 # sh_flags = SHF-WRITE|SHF-ALLOC = 1 | 2 = 3 03 00 00 00 # sh_flags = SHF-WRITE|SHF-ALLOC = 1 | 2 = 3
#&ELF_base # sh_addr
&ELF_data # sh_addr &ELF_data # sh_addr
#@ELF_data - @ELF_base # sh_addr %ELF_data>ELF_base # sh_offset
20 02 00 00 # sh_offset %ELF_sym>ELF_data # sh_length
#@ELF_comment - @ELF_data # sh_length
10 00 00 00 # sh_length
00 00 00 00 # sh_link 00 00 00 00 # sh_link
00 00 00 00 # sh_info 00 00 00 00 # sh_info
01 00 00 00 # sh_1? 01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize 00 00 00 00 # sh_entsize
:ELF_section_header_comment :ELF_section_header_comment
#@ELF_shstr__comment - @ELF_shstr # sh_name %ELF_shstr__comment>ELF_shstr # sh_name
0d 00 00 00 # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1 01 00 00 00 # sh_type = SHT_PROGBITS = 1
00 00 00 00 # sh_flags 00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_comment # sh_addr &ELF_comment # sh_addr
80 00 00 00 # sh_offset %ELF_comment>ELF_base # sh_offset
00 00 00 00 # sh_length %ELF_shstr>ELF_comment # sh_length
00 00 00 00 # sh_link 00 00 00 00 # sh_link
00 00 00 00 # sh_info 00 00 00 00 # sh_info
01 00 00 00 # sh_1? 01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize 00 00 00 00 # sh_entsize
:ELF_section_header_shstr :ELF_section_header_shstr
#@ELF_shstr__shstr - @ELF_shstr # sh_name %ELF_shstr__shstr>ELF_shstr # sh_name
16 00 00 00 # sh_name
03 00 00 00 # sh_type: str-sht-strtab 03 00 00 00 # sh_type: str-sht-strtab
00 00 00 00 # sh_flags 00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_shstr # sh_addr &ELF_shstr # sh_addr
a0 00 00 00 # sh_offset %ELF_shstr>ELF_base # sh_offset
30 00 00 00 # sh_length %ELF_section_headers>ELF_shstr # sh_length
00 00 00 00 # sh_link 00 00 00 00 # sh_link
00 00 00 00 # sh_info 00 00 00 00 # sh_info
01 00 00 00 # sh_1? 01 00 00 00 # sh_1?
00 00 00 00 # sh_entsize 00 00 00 00 # sh_entsize
:ELF_section_header_sym :ELF_section_header_sym
#@ELF_shstr__sym - @ELF_shstr # sh_name %ELF_shstr__sym>ELF_shstr # sh_name
20 00 00 00 # sh_name
02 00 00 00 # sh_type: str-sht-symtab 02 00 00 00 # sh_type: str-sht-symtab
00 00 00 00 # sh_flags 00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_sym # sh_addr &ELF_sym # sh_addr
40 02 00 00 # sh_offset %ELF_sym>ELF_base # sh_offset
30 00 00 00 # sh_length %ELF_end>ELF_sym # sh_length
06 00 00 00 # sh_link:6 06 00 00 00 # sh_link:6
00 00 00 00 # sh_info 00 00 00 00 # sh_info
01 00 00 00 # sh_1? 01 00 00 00 # sh_1?
10 00 00 00 # sh_entsize 10 00 00 00 # sh_entsize
:ELF_section_header_str :ELF_section_header_str
#@ELF_shstr__str - @ELF_shstr # sh_name %ELF_shstr__str>ELF_shstr # sh_name
28 00 00 00 # sh_name
03 00 00 00 # sh_type: str-sht-strtab 03 00 00 00 # sh_type: str-sht-strtab
00 00 00 00 # sh_flags 00 00 00 00 # sh_flags
#&ELF_base # sh_addr
&ELF_str # sh_addr &ELF_str # sh_addr
30 02 00 00 # sh_offset %ELF_str>ELF_base # sh_offset
10 00 00 00 # sh_length %ELF_sym>ELF_str # sh_length
00 00 00 00 # sh_link 00 00 00 00 # sh_link
00 00 00 00 # sh_info 00 00 00 00 # sh_info
01 00 00 00 # sh_1? 01 00 00 00 # sh_1?