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Author SHA1 Message Date
Janneke Nieuwenhuizen 20d92bec90 doc: Update `PORTING'. 
* PORTING (Setup environment): Use nyacc 1.00.2.  Prefer git-minimal
over git to avoid dependencies on subversion and graphic libraries.  Add
riscv64-linux example.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen f2009e70f9 gnu: Update main prototype. 
* lib/gnu/x86-mes-gcc/crt1.c (main): Add parameters.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen aa97000027 riscv64: lib: Use __init_io. 
* lib/linux/riscv64-mes-gcc/crt1.c (_start): Replace manual initialization
of __stdin, __stdout, __stderr, and environ with __init_io ().
* lib/linux/riscv64-mes-mescc/crt1.c (_start): Likewise.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen 368ddbcd4f arm: lib: Use __init_io. 
* lib/linux/arm-mes-gcc/crt1.c (_start): Replace manual initialization
of __stdin, __stdout, __stderr, and environ with __init_io ().
* lib/linux/arm-mes-m2/crt1.M1 (_start): Likewise.
* lib/linux/arm-mes-mescc/crt1.c (_start): Likewise.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen 3502ad4f73 freebsd: lib: Use __init_io. 
* * lib/freebsd/x86-mes-gcc/crt1.c (_start): Replace manual initialization
of __stdin, __stdout, __stderr, and environ with __init_io ().
* lib/freebsd/x86-mes-mescc/crt1.c (_start): Likewise.
* lib/freebsd/x86-mes-gcc/_write.c (SYS_exit): Remove.
(SYS_write): New define.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen 88eb90dd38 x86_64: lib: Use __init_io. 
* lib/linux/x86_64-mes-gcc/crt1.c (_start): Replace manual initialization
of __stdin, __stdout, __stderr, and environ with __init_io ().
* lib/linux/x86_64-mes-m2/crt1.M1 (_start): Likewise.
* lib/linux/x86_64-mes-mescc/crt1.c (_start): Likewise.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen 1e898ea312 x86: lib: Use __init_io. 
* build-aux/configure-lib.sh (libc_mini_shared_SOURCES): Add init_io.c.
* include/mes/lib-mini.h (__init_io): Declare it.
* lib/linux/x86-mes-gcc/crt1.c (_start): Replace manual initialization
of __stdin, __stdout, __stderr, and environ with __init_io ().
* lib/linux/x86-mes-m2/crt1.M1 (_start): Likewise.
* lib/linux/x86-mes-mescc/crt1.c (_start): Likewise.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen 68f3db77cf core: Remove duplicate environment initialization. 
* src/mes.c (init): Remove envp parameter.  Remove environment initialization.
(main): Remove envp parameter.  Update caller.
 2023-11-05 09:40:37 +01:00
Jan (janneke) Nieuwenhuizen 141688a865 riscv64: Cater for M2-Planet. 
* 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.
 2023-11-05 09:40:37 +01:00
Janneke Nieuwenhuizen c6d0604e0c scaffold: Add env. 
* scaffold/env.c,
scaffold/env.kaem: New files.
* build-aux/build.sh.in: Use them.
 2023-11-05 09:40:37 +01:00
Jan (janneke) Nieuwenhuizen 465787b721 guix: mescc-tools: Add RISCV architectures. 
This is a follow-up to commit
    79da3fc3e2
    guix: mescc-tools: Update to 1.4.0

* guix/git/mes.scm (mescc-tools)[supported-systems]: Add riscv32-linux
and riscv64-linux.
 2023-11-05 09:40:37 +01:00
Jan (janneke) Nieuwenhuizen 794935b75d mescc: Use size 8 for stack. 
Reported by  W. J. van der Laan <laanwj@protonmail.com>.

* module/mescc/x86_64/as.scm (x86_64:function-locals): Oops, use size 8.
 2023-11-05 09:40:37 +01:00
W. J. van der Laan a1bc54bce8 lib: Linux riscv64-mes-mescc support. 
* lib/linux/riscv64-mes-mescc/_exit.c,
lib/linux/riscv64-mes-mescc/_write.c,
lib/linux/riscv64-mes-mescc/crt1.c,
lib/linux/riscv64-mes-mescc/syscall-internal.c,
lib/linux/riscv64-mes-mescc/syscall.c: New files.  These add support for
building for riscv64-mes-mescc and make it self-hosting.
 2023-11-05 09:40:37 +01:00
W. J. van der Laan e7aac5e8ba lib: Base riscv64-mes-mescc support. 
* lib/riscv64-mes-mescc/setjmp.c: New file.
(setjmp, longjmp): Implement for RV64.
 2023-11-05 09:40:37 +01:00
W. J. van der Laan 8f0cb67078 lib: Add RISCV64 instruction macros for M1. 
* lib/riscv64-mes/riscv64.M1: New file.  Add set of instruction macros
for RV64.  These are all potentially needed by the code generation.  I
have made no effort yet to minimize the list of instructions for mes+tcc
compile.
 2023-11-05 09:40:37 +01:00
W. J. van der Laan d0b1be6a5d mescc: RISC-V64 code generation. 
* mes/module/mescc/mescc.mes: Import riscv64 code generation modules.
* mes/module/mescc/riscv64/as.mes: Imports for as.mes.
* mes/module/mescc/riscv64/info.mes: Imports for info.mes.
* module/mescc/mescc.scm (replace-suffix, arch-get, arch-get-info,
arch-get-machine, arch-get-m1-macros, .E?, .s?, .o?): Handle riscv64 and
some stubs for riscv32.
(arch-get-defines): Add defines for riscv32 and riscv64.
* module/mescc/riscv64/as.scm: New file: Code generator module for RISC-V64.
* module/mescc/riscv64/info.scm: New file: Architecture info for RISC-V64.
* build-aux/build-guile.sh (SCM_FILES): Add them.
 2023-11-05 09:40:37 +01:00
W. J. van der Laan c8dfa47e10 lib: Make stdarg work for GCC on RISC-V64. 
* include/stdarg.h: GCC on RISC-V always passes arguments in registers.
Implementing these macros without the use of built-ins would be very
involved. So use those for now to make printf etc work.
 2023-11-05 09:40:37 +01:00
W. J. van der Laan 9d7360cca6 lib/tests: Take RISC-V into account in size conditionals. 
* lib/tests/scaffold/76-pointer-arithmetic.c (main): Use the right sizes
in the test for RISC-V architectures.
* lib/tests/scaffold/7k-for-each-elem.c (main): Same.
* lib/tests/scaffold/85-sizeof.c: Same.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan 04e6fdad13 lib: General Linux RISC-V64 syscall support. 
* include/linux/riscv32/kernel-stat.h,
include/linux/riscv64/kernel-stat.h: New files.
* include/fcntl.h (AT_FDCWD, AT_SYMLINK_NOFOLLOW, AT_REMOVEDIR): Add
necessary constants.
* include/stdint.h: Integer size defines for RISC-V.
* include/sys/stat.h: "stat" struct for RISC-V.
* lib/linux/_open3.c (_open3)[!SYS_open]: Use SYS_openat.
* lib/linux/access.c (access)[!SYS_access]: Use SYS_faccessat.
* lib/linux/chmod.c (chmod)[!SYS_chmod]: Use SYS_fchmodat.
* lib/linux/dup2.c (dup2)[!SYS_dup2]: Use if SYS_dup3.
* lib/linux/fork.c (fork)[!SYS_fork]: Use SYS_clone.
* lib/linux/getdents.c (getdents)[!SYS_getdents]: Use SYS_getdents64.
* lib/linux/link.c (link)[!SYS_link]: Use SYS_linkat.
* lib/linux/lstat.c (lstat)[!SYS_lstat]: Use SYS_newfstatat.
* lib/linux/mkdir.c (mkdir)[!SYS_mkdir]: Use SYS_mkdirat.
* lib/linux/mknod.c (mknod)[!SYS_mknod]: Use SYS_mknodat.
* lib/linux/pipe.c (pipe)[!SYS_pipe]: Use SYS_pipe2.
* lib/linux/readlink.c (readlink)[!SYS_readlinkat]: Use SYS_readlinkat.
* lib/linux/rename.c (rename)[!SYS_rename]: Use SYS_renameat2.
* lib/linux/rmdir.c (rmdir)[!SYS_rmdir]: Use SYS_unlinkat.
* lib/linux/signal.c (_restorer_for_siginfo): Remove unused function
that causes compilation issue.
* lib/linux/stat.c (stat)[!SYS_stat]: Use SYS_newfstatat.
* lib/linux/symlink.c (symlink)[!SYS_symlinkat]: Use SYS_symlink.
* lib/linux/unlink.c (unlink)[!SYS_unlink]: Use SYS_unlinkat.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan e07d1052aa lib: Add _sys_call_5 for Linux RISC-V64. 
* include/linux/syscall.h (_sys_call5): Declare 5-argument syscall needed
for SYS_renameat2, currently only used on RISC-V64.
* lib/linux/riscv64-mes-gcc/syscall.c (__sys_call5, _sys_call5):
Implement it.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan f5d6a7b100 lib: Linux riscv64-mes-gcc support. 
* lib/linux/riscv64-mes-gcc/_exit.c,
lib/linux/riscv64-mes-gcc/_write.c,
lib/linux/riscv64-mes-gcc/crt1.c,
lib/linux/riscv64-mes-gcc/syscall-internal.c,
lib/linux/riscv64-mes-gcc/syscall.c: New files to make it possible
to compile mes for riscv64-mes-gcc.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan 6051a6e91e lib: Base riscv64-mes-gcc support (dummy setjmp). 
* lib/riscv64-mes-gcc/setjmp.c: New file.
(setjmp, longjmp): Add dummy implementations. Implementing these for gcc
would be very involved, and does not seem necessary to get mescc to
work.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan 2eb0085ba0 lib: Add RISC-V64 Linux syscall numbers header. 
* include/linux/riscv64/syscall.h: New file: list relevant syscall
number constants.
 2023-11-05 09:39:29 +01:00
Jan (janneke) Nieuwenhuizen 9ae3426c96 lib: Document syscalls. 
* include/linux/SYSCALLS: New file.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan 2848cf6a18 lib: Make Linux scaffold work for RISC-V64. 
* 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.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan bf5e8b245e core: Add RISC-V architecture detection. 
* src/mes.c(mes_environment)[__riscv_xlen == 32]: Set
architecture to riscv32.
[__riscv_xlen == 64]: Set architecture to riscv64.

xlen
 2023-11-05 09:39:29 +01:00
W. J. van der Laan 5d64961c83 configure: Recognize RISC-V architectures. 
* configure (main): Classify "riscv64" as 64 bit, allow "redhat" OS
(somewhat tangential, but important for Fedora RISC-V), allow
"riscv32-linux-mes" and "riscv64-linux-mes" as system.
 2023-11-05 09:39:29 +01:00
W. J. van der Laan edf397038a mescc: Add r0-cmp-r1 instruction. 
This instruction is used to compare two registers and set the flags
accordingly. In current architectures this is the same as r0-r1, but for
RISCV it will be different.  RISC-V does not have condition flags so
(until a better solution) we are going to emulate them there.

* module/mescc/armv4/as.scm (armv4:instructions): Add r0-cmp-r1 as alias
of r0-r1.
* module/mescc/i386/as.scm: Same.
* module/mescc/x86_64/as.scm: Same.
* module/mescc/compile.scm (expr->register): Make use of the new
r0-cmp-r1 instruction.
 2023-11-05 09:39:29 +01:00
Ekaitz Zarraga acfead04ed DRAFT lib: Make objdump work on binaries in x86-linux. 
* lib/linux/x86-mes/elf32-header.hex2: Fix header sizes for objdump.
 2023-11-05 09:39:06 +01:00
Ekaitz Zarraga 1120073d8d DRAFT lib: Make objdump work on binaries in x86_64-linux. 
* lib/linux/x86_64-mes/elf64-header.hex2: Fix header sizes for objdump.
 2023-11-05 09:39:00 +01:00
Janneke Nieuwenhuizen 83f26445b0 DRAFT test: Add 68-truncate-shift. 
* lib/tests/scaffold/68-truncate-shift.c: New file.
* build-aux/check-mescc.sh (mes_tests): Add it.
 2023-11-05 09:38:57 +01:00
Janneke Nieuwenhuizen 592a612777 DRAFT mescc: Consider truncate after each shift operation. 
* module/mescc/compile.scm (expr->register): After lshift and rshift,
use convert-r0.  Tuncate on largest of default/int or size of first
operand.
 2023-11-05 09:38:53 +01:00
Andrius Štikonas 05e945c0a8 mescc: Do not overflow M1 64bit immediates. 
M1 immediates are limited to 31-bit before they become negative.

* module/mescc/x86_64/as.scm (x86_64:value->r, x86_64:r-cmp-value,
x86_64:r-long-mem-add, x86_64:r-and): Limit M1 immediate to #x80000000.

* lib/tests/scaffold/67-m1-overflow-check.c: New test.
* build-aux/check-mescc.sh (mes_tests): Add it.
 2023-11-05 09:36:26 +01:00
Andrius Štikonas 2e13faa3c2 mescc: Fix hex2:immediate8 to work with mes/m2-compiled mes. 
* module/mescc/M1.scm (hex2:immediate8): Remove mesc? exception.
(mesc?): Remove.
 2023-11-05 09:36:26 +01:00
Janneke Nieuwenhuizen 516b5849f2 guix: m2-planet: Update to 1.10.0-0.754c5de. 
For 64bit platforms, this fix is essential

    85dd953 Add padding when loading global ints on 64-bit arches.

* guix/git/mes.scm (m2-planet): Update to latest git.
 2023-11-05 09:36:26 +01:00
Janneke Nieuwenhuizen f32b5f5510 core: Avoid displaying truncated 64bit values. 
* src/display.c (display_helper): Use `ltoa' instead of `itoa'.
 2023-11-05 09:36:26 +01:00
Andrius Štikonas 1650f0caae lib: Fix x86_64 M2 elf header to work with debug info. 
* lib/m2/x86_64/ELF-x86_64.hex2: Fix e_shoff, e_shentsize, e_shstrndx.
 2023-11-05 09:36:26 +01:00
Andrius Štikonas 3a514386c5 kaem: Pass --64 to blood_elf on 64-bit arches. 
* kaem.run (blood_elf_flag): New variable with dummy default value to
support kaem from mescc-tools 1.4.0.
* kaem.x86_64 (blood_elf_flag): New variable.
 2023-11-05 09:36:26 +01:00
Janneke Nieuwenhuizen 73acbc37b1 m2: Add new style x86_64 defines to support M2-Planet 1.11.0. 
* lib/m2/x86_64/x86_64_defs.M1: Add new M1 defines.
 2023-11-05 09:36:26 +01:00
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
Janneke Nieuwenhuizen 002dc6253a build: Generate reproducible doc/version.texi. 
* build-aux/GNUmakefile.in (doc/version.texi): Use timestamp from git.
 2023-11-05 09:36:11 +01:00
Janneke Nieuwenhuizen b6bad13883 build: Help help2man generate reproducible man-pages. 
* build-aux/GNUmakefile.in (SOURCE_DATE_EPOCH): New variable.
 2023-11-05 09:36:11 +01:00
Janneke Nieuwenhuizen 6aa77fe162 DRAFT lib: tests: 17-compare-unsigned-le: Add case from 7s-unsigned-compare. 
* lib/tests/scaffold/17-compare-unsigned-le.c: Add case from
7s-unsigned-compare; rewrite to avoid gcc-optimize.
 2023-11-05 09:36:11 +01:00
Janneke Nieuwenhuizen a0c9c0aedb DRAFT lib: tests: 17-compare-unsigned-short-le.c: Avoid gcc optimize. 
* lib/tests/scaffold/17-compare-unsigned-short-le.c (main): Change
comparison with immediate to comparison with variable.
 2023-11-05 09:36:11 +01:00
Janneke Nieuwenhuizen 0f0dad6436 DRAFT lib: tests: 17-compare-unsigned-char-le.c: Avoid gcc optimize. 
* lib/tests/scaffold/17-compare-unsigned-char-le.c (main): Change
comparison with immediate to comparison with variable.
 2023-11-05 09:36:11 +01:00
Ekaitz Zarraga 2be2de827f lib: tests: Add 17-compare-rotated. 
* lib/tests/scaffold/17-compare-rotated.c: Add file.
* build-aux/check-mescc.sh (mes_tests): Add it.
 2023-11-05 09:36:11 +01:00
Ekaitz Zarraga 4134285e8e lib: tests: Add 16-cast. 
* lib/tests/scaffold/16-cast.c: Add file.
* build-aux/check-mescc.sh (mes_tests): Add it.
 2023-11-05 09:36:11 +01:00
Janneke Nieuwenhuizen 96ad09dbfd lib: tests: 63-struct-cell: Avoid segfault by array overflow with gcc >= 10. 
* lib/tests/scaffold/63-struct-cell.c (g_functions]: Use size 3.
 2023-08-29 22:07:01 +02:00
Janneke Nieuwenhuizen addecda4fe guix: mes.git: Add gdb. 
* guix/git/mes.scm (mes.git)[native-inputs]: Add gdb.
 2023-08-28 09:43:57 +02:00
Janneke Nieuwenhuizen 102fe7dc58 mescc: Remove duplicate include. 
* module/mescc/preprocess.scm (mescc): Remove second (nyacc lang c99
parser) include.
 2023-08-27 10:05:33 +02:00