Commit graph

112 commits

Author SHA1 Message Date
carl 9bb69bbb98 Fix several compiler warnings by adding braces 2019-05-14 23:21:19 +08:00
carl 8d6cfa7701 Fix possible buffer writer overflow 2019-03-31 01:14:49 +08:00
carl 4f2c482416 Buffer overflow memory errors. 2019-03-31 00:52:37 +08:00
carl 41fd51eeea Revert change. 2019-03-25 01:41:04 +08:00
carl a6120c220e Fix buffer overflow issue. 2019-03-25 00:13:42 +08:00
David Given c95d5db372 Replace mkstemp() with the more modern and safer and simpler tmpfile(). 2019-02-10 14:36:15 +01:00
David Given 63fa647bc9 freopen() appears to be problematic on OSX; as it's only ever used to rewind
files, replace with rewind().
2019-02-10 14:32:17 +01:00
David Given 1dfafe070c Better error reporting. 2019-02-10 14:19:18 +01:00
David Given 642956fa2f mcg now uses dataf4 and dataf8 to emit floating point constants, and so doesn't
need flt_arith any more. (And also generates them correctly on little-endian
systems.) as now parses numbers properly, doesn't trash memory all over the
place, and can handle negative numbers.
2018-09-12 23:19:32 +02:00
David Given a8df9721d3 Adding new tokens to the assembler isn't quite as easy as I thought: ensure
that NUMBERF is stored properly in the temporary file.
2018-09-12 22:27:39 +02:00
David Given a1747ac916 Add the .dataf4 and .dataf8 directives to the assembler --- manually converting
floats and doubles to bytes is not fun. It might even work!
2018-09-10 22:56:18 +02:00
David Given 976fa0efca Clang-format before editing. 2018-09-10 22:37:04 +02:00
David Given 6275896a11 Clang-format before editing. 2018-09-10 22:25:14 +02:00
David Given 0d8d98fd0f Warning fix. 2018-09-09 12:22:59 +02:00
David Given 4741ed8e14 Add a completely non-tested table-based MIPS assembler. 2018-09-01 19:35:31 +02:00
George Koehler ac4cbd735e Use libc assert(); fix dependencies; unbreak isduo().
Switch from custom assert() to libc assert() in mach/proto/as.
Continue to disable asserts if DEBUG == 0.

This change found a problem in the build system; comm2.y was missing
depedencies on comm0.h and comm1.h.  Add the missing dependencies to
the cppfile rule.  Allow the dependencies by modifying cppfile in
first/build.lua to act like cfile if t.dir is false.

Now that comm2.y gets rebuilt, I must fix the wrong prototype of
yyparse() in comm1.h.

I got unlucky as induo() in comm5.c was reading beyond the end of the
array.  It found an operator "= " ('=' then space) in the garbage, so
it returned a garbage token number, and "VAR = 123" became a syntax
error.  Unbreak induo() by terminating the array.
2017-11-11 16:09:05 -05:00
George Koehler d347207e60 Add more prototypes in mach/proto/as
Change "register i;" to "int i;" to so clang stops warning about
implicit int.  Use function prototypes so clang stops warning about
implicitly declared functions.
2017-11-10 23:30:46 -05:00
David Given 64f2fa9d46 Stop using mktemp() --- on Haiku, it always generates the same filenames,
pretty much guaranteeing temporary file overwrites on parallel builds. Use
mkstemp() instead which creates the files atomically.
2017-08-06 13:22:05 +02:00
George Koehler f705339f86 Allow more tokens in the assembler.
I need this so I can add more %token lines to mach/powerpc/as/mach2.c

The assembler's tempfile encoded each token in a byte.  This only
worked with tokens 0 to 127 and 256 and 383.  If a token 384 or higher
existed, the assembler stopped working.  I need tokens 384 and higher.

I change the token encoding to a 2-byte little-endian integer.  I also
change a byte in the string encoding.
2017-01-17 22:41:11 -05:00
George Koehler ba2a03705e Use prototypes in mach/proto/as/comm5.c
Order the function prototypes in comm1.h to match the order of the
function definitions in *.c files.
2017-01-17 16:41:29 -05:00
George Koehler 916d270534 Delay inclusion of <stdint.h> when compiling comm2.y
See issue #1 (https://github.com/davidgiven/ack/issues/1).  The file
mach/proto/as/comm2.y goes through cpp twice.  The _include macro,
defined in comm2.y and used in comm0.h, delays the inclusion of system
header files.  The inclusion of <stdint.h> wasn't delayed.  This
caused multiple inclusions of <sys/_types.h> in FreeBSD and
<machine/_types.h> in OpenBSD.

Use _include to delay <stdint.h>.  Also use _include for "arch.h" and
"out.h", because h/out.h includes <stdint.h> and h/arch.h might
include it in the future.

Sort the system includes in comm0.h by moving them up to be with
<stdint.h>.  Must include <stdint.h> before "mach0.c", because
mach/powerpc/as/mach0.c needs it.  Must include "mach0.c" before
checking ASLD.
2017-01-16 22:39:44 -05:00
George Koehler e97116c037 Remove some obsolete code that causes a gcc warning.
In my OpenBSD/amd64 system, the code becomes

    if (0)
        outname.on_valu &= ~(((0xFFFFFFFF)<<32)<<32);

The 0xFFFFFFFF is a 32-bit int, so the left shift by 32 is out of
range and causes the gcc warning.

The intent might be to clear any sign-extended bits, if the assignment
outname.on_valu = valu did sign extension.  Old C had no unsigned
long, so .on_valu would have been long.  The code is obsolete because
h/out.h now declares .on_valu as uint32_t.
2017-01-16 18:09:55 -05:00
David Given 84ee75ec07 Merge from default. 2016-11-11 20:17:54 +01:00
David Given fd91851005 Add enough return types to the K&R C that the ACK builds (on Linux) using clang
now.
2016-11-10 22:04:18 +01:00
David Given 4a093b9eba Add li and mr pseudoinstructions. 2016-10-18 00:21:32 +02:00
David Given f67c98e239 Distributions are a pain --- let's not bother any more. Instead, we just tag
the repository and download a complete snapshot, old and ancient stuff and all.
2016-09-02 23:00:38 +02:00
David Given 612e38f1c6 Remove the old make-based build system, plus some big chunks of horribly
obsolete protomake build system.
2016-09-02 22:17:51 +02:00
David Given 204f932ed2 Raspberry Pi backend now builds. 2016-08-20 12:40:13 +02:00
David Given 5e84be70fd Massive ackbuilder refactor --- cleaner and more expressive. Lists
are automatically flattened (leading to better build files), and the
list and filename functions are vastly more orthogonal.
2016-08-04 23:51:19 +02:00
David Given b2bb4ce3b2 Builds libend (the simplest library). Becoming obvious I need to rework the way
ackbuilder deals with lists.
2016-07-30 00:39:22 +02:00
David Given bff5c4019c Baby steps towards building a platform --- make the assembler work.
Add ackbuilder support for C preprocessor files and yacc.
2016-07-24 00:50:02 +02:00
David Given 88bd7ce126 Remove defunct pmfiles.
--HG--
branch : default-branch
2016-06-03 13:56:50 +02:00
David Given ef8e6e25e0 Fix a whole pile of issues related to the failed attempt to increase
the number of types of relocation possible in the object file. (Now,
hopefully, working.)

Also change the object serialiser/deserialiser to never try to read or
write raw structures; it's way safer this way and we don't need the
performance boost any more.

--HG--
branch : default-branch
2016-03-18 21:46:55 +01:00
David Given 88e13ecce3 Don't use the ACK preprocessor on host files --- use the host preprocessor
instead.

--HG--
branch : default-branch
2016-03-14 20:58:19 +01:00
David Given e85991ec86 Fix stray 'call file'.
--HG--
branch : default-branch
2016-03-13 21:40:05 +01:00
David Given ff0c78cc78 Merge from default.
--HG--
branch : dtrg-videocore-branch-branch
2016-03-13 21:13:09 +01:00
David Given c5018d7088 64-bit-ify (adhoc varargs are evil). 2015-03-23 00:07:59 +01:00
David Given 3d5e72e20b Newer versions of GNU Make have a new function which collides with a
variable we're using; change the name of the variable.
2015-03-22 12:09:46 +01:00
David Given fd2360be0f Ship assembler man pages.
--HG--
branch : dtrg-videocore
rename : man/8080_as.6 => man/i80_as.6
rename : man/m68k2_as.6 => man/m68020_as.6
2013-06-21 23:20:50 +01:00
David Given d3e3e72860 Update from trunk.
--HG--
branch : dtrg-videocore
2013-05-29 15:03:48 +01:00
David Given e0c121d6e6 Use relocation enumerations rather than hard-coded values for relocation types
(these were causing problems due to the enumeration values having changed).
2013-05-29 14:11:04 +01:00
David Given 5082b2a5d7 Add lea instruction. Fix dependency issues.
--HG--
branch : dtrg-videocore
2013-05-20 19:56:33 +01:00
David Given e7c2029c9c Dependency fixes. 2013-05-17 00:04:37 +01:00
David Given 11377070fd Update distribution files.
--HG--
branch : dtrg-buildsystem
2013-05-15 23:46:15 +01:00
David Given 07453d184a Top, topgen, aelflod. Moved the libraries back into the platform-specific
directories --- wrangling descr files was too hard. C programs can be built
for cpm, pc86, linux386, linux68k!

--HG--
branch : dtrg-buildsystem
rename : util/ack/build.mk => util/led/build.mk
rename : util/LLgen/build.mk => util/topgen/build.mk
2013-05-13 23:26:15 +01:00
David Given 442306d557 Split off some of the platform-independent stuff (such as as and ncg).
--HG--
branch : dtrg-buildsystem
rename : plat/pc86/build.mk => mach/i386/build.mk
rename : plat/pc86/build.mk => mach/i80/build.mk
rename : plat/pc86/build.mk => mach/i86/build.mk
rename : plat/pc86/build.mk => mach/m68020/build.mk
rename : plat/pc86/build.mk => mach/powerpc/build.mk
2013-05-13 22:12:46 +01:00
David Given b0c238eb5d Made a start on building the runtimes for each platform and language; the
Linuxes all build.

--HG--
branch : dtrg-buildsystem
rename : modules/src/em_mes/build.mk => modules/src/read_em/build.mk
rename : plat/pc86/build.mk => plat/linux386/build.mk
rename : plat/pc86/build.mk => plat/linux68k/build.mk
rename : plat/pc86/build.mk => plat/linuxppc/build.mk
rename : util/ack/build.mk => util/misc/build.mk
2013-05-12 23:51:55 +01:00
David Given c1aca7dae5 First milestone of replacing the build system.
--HG--
branch : dtrg-buildsystem
rename : lang/cem/cpp.ansi/Parameters => lang/cem/cpp.ansi/parameters.h
2013-05-12 20:45:55 +01:00
David Given c93cb69959 Check in incomplete Linux PowerPC and M68K work.
--HG--
branch : dtrg-experimental-powerpc
2013-05-08 00:48:48 +01:00
George Koehler 0131ca4d46 Delete 689 undead files.
These files "magically reappeared" after the conversion from CVS to
Mercurial.  The old CVS repository deleted these files but did not
record *when* it deleted these files.  The conversion resurrected these
files because they have no history of deletion.  These files were
probably deleted before year 1995.  The CVS repository begins to record
deletions around 1995.

These files may still appear in older revisions of this Mercurial
repository, when they should already be deleted.  There is no way to fix
this, because the CVS repository provides no dates of deletion.

See http://sourceforge.net/mailarchive/message.php?msg_id=29823032
2012-09-20 22:26:32 -04:00