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Author SHA1 Message Date
Jan (janneke) Nieuwenhuizen ede49daabb
mescc: Mes C Library: Add __mesabi_umod, __mesabi_udiv. 
* lib/mes/div.c (__mesabi_umod, __mesabi_udiv): New functions.
* include/mes/lib.h: Add prototypes.
 2021-01-23 08:43:41 +01:00
Danny Milosavljevic c1dcdc5d7e
ARM: Implement long division. 
* lib/mes/div.c (__mesabi_log2i): New procedure.
(__mesabi_uldiv1): New procedure.
(__mesabi_uldiv): Use it.

Co-Authored-By: Nathalie Kopaczewski <natkopa@gmail.com>
 2021-01-23 08:43:41 +01:00
Danny Milosavljevic a5f30ee27b
ARM: Special-case setjmp struct for gcc with mes libc. 
* include/setjmp.h (__jmp_buf): Special-case setjmp struct for gcc with mes
libc.
 2021-01-23 08:43:41 +01:00
Jan (janneke) Nieuwenhuizen 13b69f4b9b
tests: Add 70-ternary-arithmetic-argument.c. 
* lib/tests/scaffold/70-ternary-arithmetic-argument.c: New file.
* build-aux/check-mescc.sh (tcc_tests, xfail_tests): Add it.
 2021-01-23 08:43:41 +01:00
Danny Milosavljevic 10bcb3709b
ARM: Speed up __mesabi_uldiv for powers-of-two divisors. 
* lib/mes/div.c (__mesabi_uldiv): Speed up division for powers-of-two
divisors.
 2021-01-23 08:43:41 +01:00
Jan (janneke) Nieuwenhuizen bfd6792d07
ARM: Revert to 4 byte types only. 
* module/mescc/armv4/info.scm (armv4:type-alist): Use size 4 for long
longs too.
 2021-01-23 08:43:40 +01:00
Paul Dersey 4492173466
Mes C Library: stdlib/qsort.c: Fix qswap segfault. 
* stdlib/qsort.c (qswap): Remove hard coded buffer size.  Allow
swapping of objects of arbitrary size.
 2021-01-23 08:43:05 +01:00
Jan (janneke) Nieuwenhuizen d3a039949b
doc: Update to bug-mes@gnu.org. 
* doc/mes.texi (Submitting Patches): Use bug-gnu instead of
guix-patches, guix-devel.
 2021-01-23 08:42:26 +01:00
Jan (janneke) Nieuwenhuizen 49b4a0f144
build: Update guix package version too. 
* guix/git/mes.scm (mes, mes.git)[version]: Mark fields.
* build-aux/GNUmakefile.in (update-hash): Update mes version too.
(release): Remove gen-announce, guix-build dependencies.
 2021-01-23 08:41:38 +01:00
Jan (janneke) Nieuwenhuizen 3f70993dd2
mescc: Update -g help text. 
* module/mescc.scm (parse-opts): Remove TODO, mention call stack.
 2021-01-23 08:41:13 +01:00
Jan (janneke) Nieuwenhuizen 3aecca4bdc
bootstrap: Resurrect. 
* build-aux/bootstrap.sh.in (AM_CFLAGS): Use -L ${srcdest}lib.
Build libmescc.a and use it to link mes.
 2021-01-23 08:40:58 +01:00
Jan (janneke) Nieuwenhuizen 8b2c4d48a9
mescc: Make sure includedir, libdir are set. 
* scripts/mescc.in (prefix): New variable.
 2021-01-23 08:40:55 +01:00
Jan (janneke) Nieuwenhuizen 7198c2d7ea
build: Make mescc more verbose on V=2, V=3. 
* build-aux/cflags.sh (AM_CFLAGS): Add -v, -v -v for V=2, V=3
respectively.
 2021-01-23 08:40:35 +01:00
Jan (janneke) Nieuwenhuizen e488ba3daf
guix: Switch to guile-3.0-latest. 
* guix/git/mes.scm (nyacc)[inputs]: New field.
(mes)[inputs]: Update to guile-latest.
 2020-12-29 14:24:03 +01:00
Jan (janneke) Nieuwenhuizen b601eb64af
mescc: Mes C Library: ntoab: Use unsigned base. 
This fixes 60-math, 60-math-itoa, 70-printf-simple, 70-printf.

* lib/mes/ntoab.c (ntoab): Use unsigned base.
* include/mes/lib.h: Update prototype.
 2020-12-13 22:19:06 +01:00
Jan (janneke) Nieuwenhuizen a0560aff67
configure: Use GUILD_OPTIMIZE=-O1 for Guile-3. 
* configure (main): Set guild_optimize to "-O1" for Guile-3.
* build-aux/config.make.in (GUILD_OPTIMIZE): New variable.
* build-aux/export.make (GUILD_OPTIMIZE): Export if set.
* build-aux/config.sh.in (GUILD_OPTIMIZE): New variable.
* build-aux/build-guile.sh: Use it.
 2020-10-07 14:09:24 +02:00
Jan (janneke) Nieuwenhuizen fa4147a284
mescc: Use signed division for x86, x86_64 when appropriate. 
This fixes 36-compare-arithmetic.c

* module/mescc/i386/as.scm (i386:r0/r1, i386:r0%r1): Do not reset
signed?.
* module/mescc/x86_64/as.scm (x86_64:r0/r1, x86_64:r0%r1): Likewise.
* lib/tests/scaffold/36-compare-arithmetic.c (main): Use unique exit
value per failure.
 2020-10-06 19:53:02 +02:00
Jan (janneke) Nieuwenhuizen 8429a4b0b6
build: Bump MESCC_STACK. 
This fixes running ./pre-inst-env mescc ...

* scripts/mescc.in (MES_STACK): Bump to 6000000.
 2020-10-06 16:45:52 +02:00
Jan (janneke) Nieuwenhuizen 252a0df25a
guix: nyacc: Update to 1.00.2. 
* guix/git/mes.scm (nyacc): Rename to...
(nyacc-0.99): ...this.
(nyacc): New variable.
 2020-10-06 16:45:51 +02:00
Jan (janneke) Nieuwenhuizen 14caa774f7
Revert "guix: nyacc: Update to 1.03.0." 
This does not work yet, sorry for the noise.

This reverts commit 70b2942286.
 2020-10-06 16:43:12 +02:00
Jan (janneke) Nieuwenhuizen 70b2942286
guix: nyacc: Update to 1.03.0. 
* guix/git/mes.scm (nyacc): Rename to...
(nyacc-0.99): ...this.
(nyacc): New variable.
(mes): Update to guile-3.0.
 2020-10-06 13:58:33 +02:00
Jan (janneke) Nieuwenhuizen fe60f9a3f7
build: Support guile-3.0. 
* configure (main): Prefer guile-3.
 2020-10-06 13:54:09 +02:00
Jan (janneke) Nieuwenhuizen 0db5bc48f5
build: Support make check TESTS=... XFAIL=... for mescc tests. 
* build-aux/config.sh.in (TESTS, XFAIL_TESTS): Export.
* build-aux/export.make (TESTS, XFAIL_TESTS): Export if set.
* build-aux/check-mescc.sh (TESTS, XFAIL_TESTS): Allow user override.
 2020-10-06 13:54:09 +02:00
Jan (janneke) Nieuwenhuizen 9a1c50c1cf
mes: Support for gcc-10. 
Fixes <https://lists.gnu.org/archive/html/bug-mes/2020-07/msg00000.html>.

Reported by Vagrant Cascadian <vagrant@reproducible-builds.org>.

* src/string.c (MAX_STRING): Remove duplicate definition.
 2020-10-06 13:14:22 +02:00
Jan (janneke) Nieuwenhuizen 84ff05a839
mescc: Mes C Library: Support gcc-10. 
See <https://lists.gnu.org/archive/html/bug-mes/2020-07/msg00000.html>.

Reported by Vagrant Cascadian <vagrant@reproducible-builds.org>.

* include/setjmp.h (jmp_buf): Remove.
* include/errno.h (errno): Mark extern.
* include/mes/lib-mini.h (environ, errno, __stdin, __stdout, __stderr):
Likewise.
* lib/mes/globals.c: New file; define them.
* build-aux/configure-lib.sh (libc_mini_shared_SOURCES,
libmescc_SOURCES): Add it.
* build-aux/test-c.sh: Always use -l c-mini as a minimum.
 2020-10-06 13:13:44 +02:00
Jan (janneke) Nieuwenhuizen be87ada6b5
build: Resurrect running mescc from elsewhere. 
After setting-up a buld environment, running something like

   ~/src/mes/wip/pre-inst-env mescc -v -v ~/src/mes/wip/scaffold/main.c

works again.

TODO: Make this less complex.

 * The mescc-lib (and gcc-lib) build directories do not help;
   these were introduced to support `wip-autotools'.
 * We used to opt for short *PATH variables: "." rather than
   /gnu/store/.... or /home/janneke/src/mes/master to avoid
   filling the MES arena. XXX Has this been solved?
 * In the Guix bootstrap, we run module/mescc.scm directly
       $MES -e '(mescc)' module/mescc.scm

   ...so that's why these overrides started to appear in multiple
   places.

* build-aux/pre-inst-env.in (MES_UNINSTALLED): New variable.
* scripts/mescc.in (includedir,libdir): Use it to override these.
* module/mescc/mescc.scm (arch-find): Use it to add <lib>-messc.
 2020-10-06 10:44:50 +02:00
Jan (janneke) Nieuwenhuizen 0650e08744
mescc: Mes C Library: x86_64: Add syscall-internal. 
This resurrects the x86_64 build.

* lib/linux/x86_64-mes-gcc/syscall-internal.c (__sys_call_internal),
lib/linux/x86_64-mes-mescc/syscall-internal.c: New file.
 2020-10-06 10:05:33 +02:00
Jan (janneke) Nieuwenhuizen e16d1e469a
mescc: Mes C Library: x86_64: Introduce __sys_call and friends. 
This prepares for x86_64 syscall-internal.

* lib/linux/x86_64-mes-gcc/syscall.c (__sys_call, __sys_call1,
__sys_call2, __sys_call3, __sys_call4): New functions, copied from ...
(_sys_call, _sys_call1, _sys_call2, _sys_call3, _sys_call4): ... these.
Use them, handle errno only.
 2020-10-06 10:05:33 +02:00
Jan (janneke) Nieuwenhuizen 1c128c7a9f
mescc: Mes C Library: x86: Use long for syscalls. 
The Linux signature uses long, also this allows for making
_sys_call and friends architecture-independent.

* lib/linux/x86-mes-mescc/syscall-internal.c (__sys_call_internal,
__sys_call2_internal): Use long.  Update callers.
* lib/linux/x86-mes-mescc/syscall.c (__sys_call, __sys_call1,
__sys_call2, __sys_call3, __sys_call4, _sys_call, _sys_call1,
_sys_call2, _sys_call3, _sys_call4): Likewise.
 2020-10-06 10:05:33 +02:00
Jan (janneke) Nieuwenhuizen 5f8a424328
mescc: Mes C Library: Remove redundant prototypes. 
* lib/linux/x86-mes-gcc/syscall.c(__sys_call, __sys_call1, __sys_call2,
__sys_call3, __sys_call4): Remove prototype.
 2020-10-06 10:05:33 +02:00
Jan (janneke) Nieuwenhuizen c11a721c36
mescc: Mes C Library: Whitespace fixes. 
* lib/linux/signal.c (signal): Whitespace fixes.
* lib/linux/time.c (time): Likewise.
 2020-10-06 10:04:42 +02:00
Danny Milosavljevic 443f662361
command line: Support "mescc --print-libgcc-file-name". 
* module/mescc.scm (parse-opts): Add "--print-libgcc-file-name".
 2020-10-06 10:04:41 +02:00
Danny Milosavljevic 237dd8a0f0
Distinguish between gcc and mescc; select LIBS accordingly. 
* build-aux/check.sh.in: Distinguish between gcc and mescc;
add MES_CHECKING_BUILTIN_LIBS.
* build-aux/test-c.sh: Use it to select LIBS accordingly.
 2020-10-06 10:04:41 +02:00
Danny Milosavljevic 56f859200e
Make "raise" available for gcc use. 
* build-aux/configure-lib.sh (libc_tcc_SOURCES): Move lib/posix/raise.c,
lib/linux/getpid.c, lib/linux/kill.c to...
(libc_SOURCES): ...here.
 2020-10-06 10:04:29 +02:00
Danny Milosavljevic 0b79ca74ea
build: Use libgcc.a instead of libmescc.a for gcc. 2020-10-06 10:04:29 +02:00
Danny Milosavljevic afac5847e7
div: Remove libgcc-compatible API. 
* lib/mes/div.c (__aeabi_idiv): Delete procedure.
(__aeabi_idivmod): Delete procedure.
(__aeabi_uidivmod): Delete procedure.
(__aeabi_uidiv): Delete procedure.
 2020-10-06 10:04:29 +02:00
Danny Milosavljevic 9db916bba1
Revert syscall split (of commit 55d38162be); 
just copy the two syscalls I need for __raise instead.

* lib/linux/arm-mes-gcc/syscall-internal.c (__sys_call_internal): New procedure.
(__sys_call2_internal): New procedure.
(__raise): Use them.
(__sys_call, __sys_call2, __sys_call3, __sys_call4, __sys_call6): Move to...
* lib/linux/arm-mes-gcc/syscall.c: ...here.
* lib/linux/arm-mes-mescc/syscall-internal.c (__sys_call_internal): New procedure.
(__sys_call2_internal): New procedure.
(__raise): Use them.
(__sys_call, __sys_call2, __sys_call3, __sys_call4, __sys_call6): Move to...
* lib/linux/arm-mes-mescc/syscall.c: ...here.
* lib/linux/x86-mes-gcc/syscall-internal.c (__sys_call_internal): New procedure.
(__sys_call2_internal): New procedure.
(__raise): Use them.
(__sys_call, __sys_call2, __sys_call3, __sys_call4, __sys_call6): Move to...
* lib/linux/x86-mes-gcc/syscall.c: ...here.
* lib/linux/x86-mes-mescc/syscall-internal.c (__sys_call_internal): New procedure.
(__sys_call2_internal): New procedure.
(__raise): Use them.
(__sys_call, __sys_call2, __sys_call3, __sys_call4, __sys_call6): Move to...
* lib/linux/x86-mes-mescc/syscall.c: ...here.
 2020-10-06 10:04:29 +02:00
Danny Milosavljevic 3ed3b51371
div: Add comment about __aeabi_idiv. 
* lib/mes/div.c (__aeabi_idiv): Add comment.
 2020-10-06 10:04:29 +02:00
Danny Milosavljevic 95c71f3178
div: Move __aeabi_idiv to __GNUC__; introduce __mesabi_idiv. 
* lib/mes/div.c (__aeabi_idiv): Move for conditional compilation.
(__mesabi_idiv): New procedure.
* module/mescc/armv4/as.scm (armv4:r0/r1): Use __mesabi_idiv.
 2020-10-06 10:04:28 +02:00
Danny Milosavljevic 931ae9280e
build: Make raise available in libc+tcc for libgcc. 
* build-aux/configure-lib.sh (libc_gnu_SOURCES): Remove raise, getpid, kill.
(libc_tcc_SOURCES): Add raise, getpid, kill.
 2020-10-06 10:04:28 +02:00
Jan (janneke) Nieuwenhuizen eba5c15088
mescc: Add signed char. 
* module/mescc/armv4/info.scm (armv4:type-alist): Add signed char.
* module/mescc/i386/info.scm (i386:type-alist): Likewise.
* module/mescc/x86_64/info.scm (x86_64:type-alist): Likewise.
 2020-10-06 10:04:28 +02:00
Jan (janneke) Nieuwenhuizen 3973e87219
ARM: Add missing instruction. 
* lib/arm-mes/arm.M1: Add missing define.
 2020-10-06 10:04:28 +02:00
Jan (janneke) Nieuwenhuizen 1c06c0170a
ARM: as: Fix ldrsb_ typo. 
(armv4:byte-r0-mem->r1-mem): : Add missing "_" to ldrsb_.
 2020-10-06 10:04:28 +02:00
Jan (janneke) Nieuwenhuizen a945bee494
ARM: as: Fix strh__ typo. 
* module/mescc/armv4/as.scm (armv4:word-r0-mem->r1-mem): Add missing "_"
to strh__.
 2020-10-06 10:04:28 +02:00
Jan (janneke) Nieuwenhuizen ddfdd1cb7f
mescc: Do not crash when attemting to link files without extension. 
* module/mescc/mescc.scm (replace-suffix): Add ELSE clause to IF for
base; add IF for old-suffix.
 2020-10-06 10:04:27 +02:00
Jan (janneke) Nieuwenhuizen ae14a08aad
doc: Fix typos in HACKING. 
* HACKING (SETUP): Typos.
 2020-10-06 10:03:21 +02:00
Jan (janneke) Nieuwenhuizen f3f405a83a
ARM: as: Guile compile fix. 
* module/mescc/armv4/as.scm (optimize-immediate): Do not unquote compare
functions (and numbers).
 2020-08-24 11:24:02 +02:00
Danny Milosavljevic e3aba5d464
test: Make 7l-struct-any-size-array-simple compatible with default ARM gcc. 
* lib/tests/scaffold/7l-struct-any-size-array-simple.c: Make "signed"
explicit in signed char types.
 2020-08-22 21:01:45 +02:00
Danny Milosavljevic 7e23d98494
test: Make 7r-sign-extend compatible with default ARM gcc. 
* lib/tests/scaffold/7r-sign-extend.c: Make "signed" explicit in
signed char types.
 2020-08-22 21:01:36 +02:00
Danny Milosavljevic 047014e704
build: Fixup cleaning of armv4. 
* build-aux/GNUmakefile.in (clean): Clean armv4 go files.
 2020-08-22 14:09:54 +02:00