mes/lib/linux/x86_64-mes-m2/crt1.M1
Jan (janneke) Nieuwenhuizen 189ea8eb9d x86_64: build: Cater for M2-Planet.
* build-aux/cflags.sh: Set cc_cpu.
* build-aux/config.sh.in (cc_cpu): Export.
* build-aux/export.make (cc_cpu): Likewise.
* kaem.arm (cc_cpu): New variable.
* kaem.x86 (cc_cpu): New variable.
* kaem.run (cc_cpu): New variable.  Define __<cc_cpu>__.
* scaffold/argv.kaem (cc_cpu): Likewise.  Define __linux__
* scaffold/global-array.kaem (cc_cpu): Likewise.
* scaffold/hello.kaem (cc_cpu): Likewise.
* scaffold/local-array.kaem (cc_cpu): Likewise.
* scaffold/local-static-array.kaem (cc_cpu): Likewise.
* scaffold/main.kaem (cc_cpu): Likewise.
* scaffold/read.kaem (cc_cpu): Likewise.
* kaem.x86_64: New file.
lib/m2/x86_64/ELF-x86_64.hex2,
lib/m2/x86_64/x86_64_defs.M1: New files, imported from M2Libc.
lib/linux/x86_64-mes-m2/_exit.c,
lib/linux/x86_64-mes-m2/_write.c,
lib/linux/x86_64-mes-m2/crt1.M1,
lib/linux/x86_64-mes-m2/crt1.c,
lib/linux/x86_64-mes-m2/syscall.c: New files, adapted for M2-Planet
calling convention from ...
* lib/linux/x86_64-mes-mescc: ... here.
* build-aux/build.sh.in: Also allow kaem build for x86_64.
* include/mes/lib-mini.h[__M2__]: Define as sizeof (void*).
* include/mes/mes.h[__M2__](M2_CELL_SIZE): Define as sizeof (struct scm).
* lib/x86_64-mes/x86_64.M1 (add____$i8,%rbp, mov____%rdi,%rbp): New
defines.
* src/posix.c (TIME_UNITS_PER_SECOND): Cater for 64bit M2-Planet.
2023-11-05 09:36:26 +01:00

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### GNU Mes --- Maxwell Equations of Software
### Copyright © 2017,2018,2019,2022,2023 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/>.
:_start
push___%rbp
mov____%rsp,%rbp
;; mes c lib io
mov____$i8,%rax !0
movl___%eax,0x32 &GLOBAL___stdin
mov____$i8,%rax !1
movl___%eax,0x32 &GLOBAL___stdout
mov____$i8,%rax !2
movl___%eax,0x32 &GLOBAL___stderr
;; M2-Planet pushes forward
mov____%rbp,%rax ;argc
add____$i8,%rax !8
mov____(%rax),%rax
push___%rax
mov____%rbp,%rax ;argv
add____$i8,%rax !16
push___%rax
mov____%rbp,%rax ;envp
add____$i8,%rax !8
mov____(%rax),%rax
add____$i8,%rax !0x03
shl____$i8,%rax !0x03
add____%rbp,%rax
push___%rax
;; mes c lib environ
mov____%rax,0x32 &GLOBAL_environ
call32 %FUNCTION_main
mov____%rax,%rdi
mov____$i32,%rax SYS_exit
syscall