141688a865
* kaem.riscv64: New file. * lib/linux/riscv64-mes-m2/crt1.M1, lib/m2/riscv64/ELF-riscv64.hex2, lib/m2/riscv64/riscv64_defs.M1: New files, imported from M2Lib.c * lib/linux/riscv64-mes-m2/_exit.c, lib/linux/riscv64-mes-m2/_write.c, lib/linux/riscv64-mes-m2/crt1.c, lib/linux/riscv64-mes-m2/syscall.c: New files, adapted for M2-Planet calling convention from ... * lib/linux/riscv64-mes-mescc: ...here * kaem.run: Move fcntl.h up. Include signal.h. * build-aux/build.sh.in: Also allow kaem build for riscv64.
70 lines
2.6 KiB
Plaintext
70 lines
2.6 KiB
Plaintext
### Copyright (C) 2016 Jeremiah Orians
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### Copyright (C) 2017 Jan Nieuwenhuizen <janneke@gnu.org>
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### This file is part of M2-Planet.
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###
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### M2-Planet is free software: you can redistribute it and/or modify
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### it under the terms of the GNU General Public License as published by
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### the Free Software Foundation, either version 3 of the License, or
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### (at your option) any later version.
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###
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### M2-Planet is distributed in the hope that it will be useful,
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### but WITHOUT ANY WARRANTY; without even the implied warranty of
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### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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### GNU General Public License for more details.
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###
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### You should have received a copy of the GNU General Public License
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### along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
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### 64 bit elf header in hex2
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### if you wish to use this header, you need to add :ELF_end to the end of your
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### M1 or hex2 files.
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## ELF Header
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:ELF_base
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7F 45 4C 46 ## e_ident[EI_MAG0-3] ELF's magic number
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02 ## e_ident[EI_CLASS] Indicating 64 bit
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01 ## e_ident[EI_DATA] Indicating little endianness
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01 ## e_ident[EI_VERSION] Indicating original elf
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03 ## e_ident[EI_OSABI] Set at 3 because FreeBSD is strict
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00 ## e_ident[EI_ABIVERSION] Set at 0 because none cares
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00 00 00 00 00 00 00 ## e_ident[EI_PAD]
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02 00 ## e_type Indicating Executable
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F3 00 ## e_machine Indicating RISC-V
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01 00 00 00 ## e_version Indicating original elf
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&_start 00 00 00 00 ## e_entry Address of the entry point (Number of bytes this header is + Base Address)
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%ELF_program_headers>ELF_base 00 00 00 00 ## e_phoff Address of program header table
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%ELF_section_headers>ELF_base 00 00 00 00 ## e_shoff Address of section header table
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00 00 00 00 ## e_flags
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40 00 ## e_ehsize Indicating our 64 Byte header
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38 00 ## e_phentsize size of a program header table
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01 00 ## e_phnum number of entries in program table
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40 00 ## e_shentsize size of a section header table
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05 00 ## e_shnum number of entries in section table
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02 00 ## e_shstrndx index of the section names
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## Program Header
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:ELF_program_headers
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:ELF_program_header__text
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01 00 00 00 ## p_type
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07 00 00 00 ## ph_flags: PF-X|PF-W|PF-R = 7
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00 00 00 00 00 00 00 00 ## p_offset
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&ELF_base 00 00 00 00 ## p_vaddr
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&ELF_base 00 00 00 00 ## p_physaddr
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%ELF_end>ELF_base 00 00 00 00 ## p_filesz
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%ELF_end>ELF_base 00 00 00 00 ## p_memsz
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01 00 00 00 00 00 00 00 ## Required alignment
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:ELF_text
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