artemist/mes
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

lib: Make Linux scaffold work for RISC-V64.

Browse source 
* lib/linux/riscv64-mes-gcc/exit-42.S,
lib/linux/riscv64-mes-gcc/hello-mes.S,
lib/linux/riscv64-mes/elf64-0exit-42.hex2,
lib/linux/riscv64-mes/elf64-0header.hex2,
lib/linux/riscv64-mes/elf64-0hello-mes.hex2,
lib/linux/riscv64-mes/elf64-body-exit-42.hex2,
lib/linux/riscv64-mes/elf64-body-hello-mes.hex2,
lib/linux/riscv64-mes/elf64-footer-single-main.hex2,
lib/linux/riscv64-mes/elf64-header.hex2: New files.  Makes basic
scaffold pass on RISC-V64.
This commit is contained in:
W. J. van der Laan 2021-04-04 07:15:42 +00:00 committed by Janneke Nieuwenhuizen
parent bf5e8b245e
commit 2848cf6a18
10 changed files with 680 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
lib/linux/riscv64-mes-gcc/exit-42.S Normal file
View file

@ -0,0 +1,31 @@
/*
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
/** Code: */
SYS_exit = 93 /* Linux syscalls. */
.globl _start /* Magic linker symbol: --entry-address. */
.text /* Program text. */
_start:
li a7, SYS_exit /* System call function: exit, in a7. */
li a0, 42 /* 1st parameter: exit status, in a0. */
ecall /* Call system. */
wfi /* Should not be reached. */

45
lib/linux/riscv64-mes-gcc/hello-mes.S Normal file
View file

@ -0,0 +1,45 @@
/*
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
/** Code: */
SYS_exit = 93 /* Linux syscalls. */
SYS_write = 64
stdout = 1 /* File descriptor */
.globl _start /* Magic linker symbol: --entry-address. */
.text /* Program text. */
hello: .ascii "Hello, GNU Mes!\n"
bye:
.equ string_size, (bye - hello)
_start:
li a7, SYS_write /* System call function: write, in a7. */
li a0, stdout /* 1st parameter: file descriptor, in a0. */
.equ string_offset, (hello - .)
auipc a1, 0 /* Load pc for pc-relative address */
addi a1, a1, string_offset /* 2nd parameter: address, in a1. */
li a2, string_size /* 3rd parameter: byte count a2. */
ecall /* Call system. */
li a7, SYS_exit /* System call function: exit, in a7. */
li a0, 0 /* 1st parameter: exit status, in a0. */
ecall /* Call system. */
wfi /* Should not be reached. */

34
lib/linux/riscv64-mes/elf64-0exit-42.hex2 Normal file
View file

@ -0,0 +1,34 @@
### GNU Mes --- Maxwell Equations of Software
### Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
###
### This file is part of GNU Mes.
###
### GNU Mes is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### GNU Mes is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-exit-42.hex2: `exit 42' for riscv64-linux written in hex2
# assembly, for usage with elf64-0header.hex2. This produces a 160-byte
# binary (a0 hex). Inspiration was taken from GNU Gcc output of
# exit-42.S.
### Code:
# @80
:ELF_text
93 08 d0 05 # li a7,93
13 05 a0 02 # li a0,42
73 00 00 00 # ecall
73 00 50 10 # wfi
:ELF_end

84
lib/linux/riscv64-mes/elf64-0header.hex2 Normal file
View file

@ -0,0 +1,84 @@
### Copyright (C) 2016 Jeremiah Orians
### Copyright (C) 2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
### Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
###
### This file is part of GNU Mes.
###
### GNU Mes is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### GNU Mes is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-0header.hex2: Simplest 64 bit elf header in hex2. Only a text
# segment, no data segment, no symbol tables.
# stage0's hex2 format for riscv64
# !<label> 1 byte relative
# $<label> 2 byte address
# @<label> 2 byte relative
# &<label> 4 byte address
# %<label> 4 byte relative
# local_<label> function-local
# string_<index> string #<index>
### Code:
:ELF_base
7F 45 4C 46 # e_ident[EI_MAG0-3] ELF's magic number
02 # e_ident[EI_CLASS] Indicating 64 bit
01 # e_ident[EI_DATA] Indicating little endianness
01 # e_ident[EI_VERSION] Indicating original elf
00 # e_ident[EI_OSABI] Set at 0 because none cares
00 # e_ident[EI_ABIVERSION] See above
00 00 00 00 00 00 00 # e_ident[EI_PAD]
02 00 # e_type Indicating Executable
F3 00 # e_machine Indicating RV64
01 00 00 00 # e_version Indicating original elf
&ELF_text 00 00 00 00 # e_entry Address of the entry point
%ELF_program_headers>ELF_base # e_phoff Address of program header table
00 00 00 00
00 00 00 00 00 00 00 00 # e_shoff Address of section header table
00 00 00 00 # e_flags
40 00 # e_ehsize Indicating our 64 Byte header
38 00 # e_phentsize size of a program header table
01 00 # e_phnum number of entries in program table
00 00 # e_shentsize size of a section header table
00 00 # e_shnum number of entries in section table
00 00 # e_shstrndx index of the section names
# @40
:ELF_program_headers
:ELF_program_header__text
01 00 00 00 # ph_type: PT-LOAD = 1
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
00 00 00 00 00 00 00 00 # p_offset
&ELF_base 00 00 00 00 # ph_vaddr
&ELF_base 00 00 00 00 # ph_physaddr
%ELF_end>ELF_base 00 00 00 00 # ph_filesz
%ELF_end>ELF_base 00 00 00 00 # ph_memsz
01 00 00 00 00 00 00 00 # ph_align
00 00 00 00 00 00 00 00 # align to @80
# @80
:ELF_text

59
lib/linux/riscv64-mes/elf64-0hello-mes.hex2 Normal file
View file

@ -0,0 +1,59 @@
### GNU Mes --- Maxwell Equations of Software
### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
###
### This file is part of GNU Mes.
###
### GNU Mes is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### GNU Mes is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-hello-mes.hex2: `Hello, GNU Mes!' for x86_64-linux written in
# hex2 assembly, for usage with elf64-0header.hex2. This produces a
# 224-byte binary (e0 hex). Inspiration was taken from GNU Gcc output
# of hello-mes.S.
### Code:
# @80
:ELF_text
# print <hello>
93 08 00 04 # li a7,64 (sys_write)
13 05 10 00 # li a0,1
97 05 00 00 # auipc a1,0x0
83 e5 c5 00 # lwu a1,12(a1) # addr
6f 00 80 00 # j 10
&hello
17 06 00 00 # auipc a2,0x0
03 66 c6 00 # lwu a2,12(a2) # addr
6f 00 80 00 # j 10
%bye>hello
13 06 00 01 # li a2,$0x13 (sys_write)
73 00 00 00 # ecall sys_write
93 08 d0 05 # li a7,$0x114 (sys_exit)
13 05 00 00 # li a0,0
73 00 00 00 # ecall sys_exit
73 00 50 10 # wfi
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 # align to @d0
# @d0
:ELF_data
:hello
48 65 6c 6c 6f 2c 20 47 # Hello, G
4e 55 20 4d 65 73 21 0a # NU Mes!\n
:bye
:ELF_end

53
lib/linux/riscv64-mes/elf64-body-exit-42.hex2 Normal file
View file

@ -0,0 +1,53 @@
### GNU Mes --- Maxwell Equations of Software
### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
### Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
###
### This file is part of GNU Mes.
###
### GNU Mes is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### GNU Mes is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-body-exit-42.hex2: `exit 42' for x86_64-linux written in hex2
# assembly, for usage with generic elf64-header.hex2 and
# elf64-footer-single-main.hex.
# This ELF binary contains a symbol table, which means that objdump and
# gdb can be used to inspect and debug.
### Code:
# @300
:ELF_text
:_start
# exit(42)
97 02 00 00 # auipc t0,0x0
83 e2 c2 00 # ld t0,12(t0) # main
e7 80 02 00 # jalr t0
&main
# @310
:main
93 08 d0 05 # li a7,93
13 05 a0 02 # li a0,42
73 00 00 00 # ecall
73 00 50 10 # wfi
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 # align to 330
# @330
:ELF_data
65 78 69 74 34 32 20 64 61 74 61 20 68 65 72 65 # exit42 data here"
00

70
lib/linux/riscv64-mes/elf64-body-hello-mes.hex2 Normal file
View file

@ -0,0 +1,70 @@
### GNU Mes --- Maxwell Equations of Software
### Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
###
### This file is part of GNU Mes.
###
### GNU Mes is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### GNU Mes is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-body-hello-mes.hex2: `Hello, GNU Mes!' for x86_64-linux written
# in hex2 assembly, for usage with generic elf64-header.hex2 and
# elf64-footer-single-main.hex.
# This ELF binary contains a symbol table which means that objdump and
# gdb can be used to inspect and debug.
### Code:
# @300
:ELF_text
:_start
# exit(42)
97 02 00 00 # auipc t0,0x0
83 e2 c2 00 # ld t0,12(t0) # main
e7 80 02 00 # jalr t0
&main
# @310
:main
# print <hello>
93 08 00 04 # li a7,$0x93 (sys_write)
13 05 10 00 # li a0,$0x13
97 05 00 00 # auipc a1,0x0
83 e5 c5 00 # lwu a1,12(a1) # addr
6f 00 80 00 # j 10
&hello
17 06 00 00 # auipc a2,0x0
03 66 c6 00 # lwu a2,12(a2) # addr
6f 00 80 00 # j 10
%bye>hello
13 06 00 01 # li a2,16
73 00 00 00 # ecall sys_write
93 08 d0 05 # li a7,93 (sys_exit)
13 05 00 00 # li a0,0
73 00 00 00 # ecall sys_exit
73 00 50 10 # wfi
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 # align to @360
# @360
:ELF_data
:hello
48 65 6c 6c 6f 2c 20 47 # Hello, G
4e 55 20 4d 65 73 21 0a # NU Mes!\n
:bye
:ELF_end

62
lib/linux/riscv64-mes/elf64-footer-single-main.hex2 Normal file
View file

@ -0,0 +1,62 @@
### Copyright (C) 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
### This file is part of stage0.
###
### stage0 is free software: you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation, either version 3 of the License, or
### (at your option) any later version.
###
### stage0 is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with stage0. If not, see <http://www.gnu.org/licenses/>.
### stage0's hex2 format for x86_64
### !<label> 1 byte relative
### $<label> 2 byte address
### @<label> 2 byte relative
### &<label> 4 byte address
### %<label> 4 byte relative
### local_<label> function-local
### string_<index> string #<index>
# @230
:ELF_str
00 # 0
:ELF_str__start
5f 73 74 61 72 74 00 # _start
:ELF_str__main
6d 61 69 6e 00 # main
00 00 00
# @370
:ELF_sym
00 00 00 00 # st-name
00 # st-info = stt-func= 2
00 # st-other
01 00 # st-shndx: 1
00 00 00 00 00 00 00 00 # st-offset: &_start - BaseAddress
00 00 00 00 00 00 00 00 # st-len : &main - _start
# _start
%ELF_str__start>ELF_str # st-name
02 # st-info = stt-func= 2
00 # st-other
01 00 # st-shndx: 1
&_start 00 00 00 00
10 00 00 00 00 00 00 00 # st-len : &main - _start
# main
%ELF_str__main>ELF_str # st-name
02 # st-info = stt-func= 2
00 # st-other
01 00 # st-shndx: 1
&main 00 00 00 00
10 00 00 00 00 00 00 00 # st-len : &ELF_data - main
:ELF_end

241
lib/linux/riscv64-mes/elf64-header.hex2 Normal file
View file

@ -0,0 +1,241 @@
### Copyright (C) 2016 Jeremiah Orians
### Copyright (C) 2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
### Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
###
### This file is part of GNU Mes.
###
### GNU Mes is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### GNU Mes is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
### Commentary:
# elf64-header.hex2: 64 bit elf header in hex2, with text segment, data
# segment and symbol tables.
# stage0's hex2 format for riscv64
# !<label> 1 byte relative
# $<label> 2 byte address
# @<label> 2 byte relative
# &<label> 4 byte address
# %<label> 4 byte relative
# local_<label> function-local
# string_<index> string #<index>
### Code:
:ELF_base
7F 45 4c 46 # e_ident[EI_MAG0-3] ELF's magic number
02 # e_ident[EI_CLASS] Indicating 64 bit
01 # e_ident[EI_DATA] Indicating little endianness
01 # e_ident[EI_VERSION] Indicating original elf
00 # e_ident[EI_OSABI] Set at 0 because none cares
00 # e_ident[EI_ABIVERSION] See above
00 00 00 00 00 00 00 # e_ident[EI_PAD]
# 0x10
02 00 # e_type Indicating Executable
f3 00 # e_machine Indicating AMD64
01 00 00 00 # e_version Indicating original elf
# 0x18
&ELF_text 00 00 00 00 # e_entry Address of the entry point
%ELF_program_headers>ELF_base # e_phoff Address of program header table
00 00 00 00
%ELF_section_headers>ELF_base # e_shoff Address of section header table
00 00 00 00
00 00 00 00 # e_flags
40 00 # e_ehsize Indicating our 64 Byte header
38 00 # e_phentsize size of a program header table
01 00 # e_phnum number of entries in program table
40 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
# @40
:ELF_program_headers
:ELF_program_header__text
01 00 00 00 # ph_type: PT-LOAD = 1
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
00 00 00 00 00 00 00 00 # p_offset
&ELF_base 00 00 00 00 # ph_vaddr
&ELF_base 00 00 00 00 # ph_physaddr
%ELF_end>ELF_base 00 00 00 00 # ph_filesz
%ELF_end>ELF_base 00 00 00 00 # ph_memsz
01 00 00 00 00 00 00 00 # ph_align
# @60
#:ELF_program_header__data # NOT USED
# FIXME: linux 4.17 does not allow this overlap
# Uhuuh, elf segment at 0000000001000000
# requested but the memory is mapped already
01 00 00 00 # ph_type: PT-LOAD = 1
07 00 00 00 # ph_flags: PF-X|PF-W|PF-R = 7
00 00 00 00 00 00 00 00 # ph_offset
&ELF_base 00 00 00 00 # ph_vaddr
&ELF_base 00 00 00 00 # ph_physaddr
%ELF_end>ELF_base 00 00 00 00 # ph_filesz
%ELF_end>ELF_base 00 00 00 00 # ph_memsz
01 00 00 00 00 00 00 00 # ph_align
# @b0
:ELF_comment
4d 45 53 00 # MES
00 00 00 00 # align
00 00 00 00
00 00 00 00
# @c0
4d 45 53 00 # MES
00 00 00 00 # align
00 00 00 00
00 00 00 00
# @d0
:ELF_shstr
00
:ELF_shstr__text
2e 74 65 78 74 00 # .text
:ELF_shstr__data
2e 64 61 74 61 00 # .data
:ELF_shstr__comment
2e 63 6f 6d 6d 65 6e 74 00 # .comment
:ELF_shstr__shstr
2e 73 68 73 74 72 74 61 62 00 # .shstrtab
:ELF_shstr__sym
2e 73 79 6d 74 61 62 00 # .symtab
:ELF_shstr__str
2e 73 74 72 74 61 62 00 # .strtab
# @100
:ELF_section_headers
00 00 00 00 # sh_name
00 00 00 00 # sh_type
00 00 00 00 00 00 00 00 # sh_flags
00 00 00 00 00 00 00 00 # sh_addr
00 00 00 00 00 00 00 00 # sh_offset
00 00 00 00 00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
00 00 00 00 00 00 00 00 # sh_1?
00 00 00 00 00 00 00 00 # sh_entsize
## FIXME: M0 for calculations?
:ELF_section_header_text
%ELF_shstr__text>ELF_shstr # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1
06 00 00 00 00 00 00 00 # sh_flags = SHF-ALLOC|SHF-EXEC =2 | 4 = 6
&ELF_text 00 00 00 00 # sh_addr
%ELF_text>ELF_base 00 00 00 00 # sh_offset
%ELF_data>ELF_text 00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 00 00 00 00 # sh_1?
00 00 00 00 00 00 00 00 # sh_entsize
:ELF_section_header_data
%ELF_shstr__data>ELF_shstr # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1
03 00 00 00 00 00 00 00 # sh_flags = SHF-WRITE|SHF-ALLOC = 1 | 2 = 3
&ELF_data 00 00 00 00 # sh_addr
%ELF_data>ELF_base 00 00 00 00 # sh_offset
%ELF_sym>ELF_data 00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 00 00 00 00 # sh_1?
00 00 00 00 00 00 00 00 # sh_entsize
:ELF_section_header_comment
%ELF_shstr__comment>ELF_shstr # sh_name
01 00 00 00 # sh_type = SHT_PROGBITS = 1
00 00 00 00 00 00 00 00 # sh_flags
&ELF_comment 00 00 00 00 # sh_addr
%ELF_comment>ELF_base 00 00 00 00 # sh_offset
%ELF_shstr>ELF_comment 00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 00 00 00 00 # sh_1?
00 00 00 00 00 00 00 00 # sh_entsize
:ELF_section_header_shstr
%ELF_shstr__shstr>ELF_shstr # sh_name
03 00 00 00 # sh_type: str-sht-strtab
00 00 00 00 00 00 00 00 # sh_flags
&ELF_shstr 00 00 00 00 # sh_addr
%ELF_shstr>ELF_base 00 00 00 00 # sh_offset
%ELF_section_headers>ELF_shstr 00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 00 00 00 00 # sh_1?
00 00 00 00 00 00 00 00 # sh_entsize
:ELF_section_header_sym
%ELF_shstr__sym>ELF_shstr # sh_name
02 00 00 00 # sh_type: str-sht-symtab
00 00 00 00 00 00 00 00 # sh_flags
&ELF_sym 00 00 00 00 # sh_addr
%ELF_sym>ELF_base 00 00 00 00 # sh_offset
%ELF_end>ELF_sym 00 00 00 00 # sh_length
06 00 00 00 # sh_link:6
03 00 00 00 # sh_info (=number of entries)
01 00 00 00 00 00 00 00 # sh_1?
18 00 00 00 00 00 00 00 # sh_entsize
:ELF_section_header_str
%ELF_shstr__str>ELF_shstr # sh_name
03 00 00 00 # sh_type: str-sht-strtab
00 00 00 00 00 00 00 00 # sh_flags
&ELF_str 00 00 00 00 # sh_addr
%ELF_str>ELF_base 00 00 00 00 # sh_offset
%ELF_sym>ELF_str 00 00 00 00 # sh_length
00 00 00 00 # sh_link
00 00 00 00 # sh_info
01 00 00 00 00 00 00 00 # sh_1?
00 00 00 00 00 00 00 00 # sh_entsize
# @2c0
00 00 00 00 # align
00 00 00 00
00 00 00 00
00 00 00 00
# @2d0
00 00 00 00 # align
00 00 00 00
00 00 00 00
00 00 00 00
# @2e0
00 00 00 00 # align
00 00 00 00
00 00 00 00
00 00 00 00
# @2f0
00 00 00 00 # align
00 00 00 00
00 00 00 00
00 00 00 00
# @300
:ELF_text

2
src/mes.c
View file

@ -64,7 +64,7 @@ mes_environment (int argc, char **argv)
arch = "x86_64";
#elif __riscv_xlen == 32
arch = "riscv32";
#elif __riscv_xlen == 64
#elif __riscv_xlen == 64
arch = "riscv64";
#else
#error arch not supported