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154 commits

Author SHA1 Message Date
Bill Currie
8f028b8a0d Fix some double frees. 2018-09-07 20:03:19 +09:00
Bill Currie
7a504f8983 Use float for enum defs in v6 progs. 
The values are (or should be!) written as floats, so don't give any
debuggers hernias when displaying enums in v6 progs.
 2013-01-17 20:53:22 +09:00
Bill Currie
6eb6b6c0ba Change pointer_t to unsigned and clean up the mess. 
It doesn't make sense to have negative pointers. The size of the commit is
from enabling gcc's -Wtype-limits warning and cleaning up that mess too.
 2012-12-21 21:53:13 +09:00
Bill Currie
fd765f5e62 Fix an ownership problem with line numbers in qfos. 2012-12-02 18:59:35 +09:00
Bill Currie
d8a5d6745f Add a param flag to defs. 
It is necessary to know if a def is a function parameter so it can be
treated as initialized by the flow analyzer. The support for the flag in
object files is, at this stage, purely for debugging purposes.
 2012-11-20 17:50:59 +09:00
Bill Currie
9691b50f0f Make .type_encodings more useful. 
Rather than just a pointer, it is now a struct with a pointer and size
indicating the extent of the type encodings block.
 2012-11-15 11:57:16 +09:00
Bill Currie
453ac11bc3 Correct some comments. 2012-11-14 17:13:14 +09:00
Bill Currie
eb5581c7bd Fix class type encoding. 
First, the class def needed to be created before the class type, then the
def space indices had to be set early, otherwise the relocs wound up with
space 0 instead of the correct space.
 2012-11-12 12:46:15 +09:00
Bill Currie
4ef4711c3b Make the type encodings findable. 
The base of the type encodings block is given by the .type_encodings def.
The block begins with a "null" type (4 words of 0), followed by the first
type encoding.

At some stage, I will need to add information for extended def information
(32 bit offset, type encoding, other?), but this is good for initial
testing.
 2012-11-09 11:43:19 +09:00
Bill Currie
954e03c3f7 Report the correct function name for the largest locals. 
I must have been tired when I adapted that code.

* taniwha dons brown paper bag
 2012-05-06 13:02:11 +09:00
Bill Currie
bc1b483525 Nuke the rcsid stuff. 
It's pretty useless in git.
 2012-04-22 10:56:32 +09:00
Bill Currie
ea02f3cd44 Fix a missed byteswap when loading qfo files. 2011-11-15 17:36:55 +09:00
Bill Currie
75c3653be4 Implement some missed relocs. 2011-03-30 08:13:13 +09:00
Bill Currie
9b62c8c126 Rename ty_type_e to ty_meta_e and type_t.ty to type_t.meta 2011-03-22 16:06:47 +09:00
Bill Currie
f1d9570dc8 Fix constant value type handling. 
Rename immediate.[ch] to value.[ch] and clean up the mess.

Add convert_value() to convert the type of a value (only scalar types).
 2011-03-22 12:24:39 +09:00
Bill Currie
cefe7e2e94 Use the correct source of defs for field defs. 2011-03-21 17:07:40 +09:00
Bill Currie
cbbbf87e20 Resurrect the stats output. 2011-03-09 15:51:17 +09:00
Bill Currie
02a70ebe1c Remove the auxfunction manipulation from the compiler proper. 
It was broken code in the first place (realloc and pointers), and is
redundant with the new linking process.
 2011-03-07 13:33:02 +09:00
Bill Currie
66447df6b3 Undo the offset relocation of local defs. 
The debug info expects local defs to be 0 based, so once relocations in
the progs data have been completed, undo the local def offset relocation
so that the correct offsets will be written to the debug info.
 2011-03-06 21:05:25 +09:00
Bill Currie
b74c644a10 Perform offset field relocations. 2011-03-06 15:41:38 +09:00
Bill Currie
fcb567fc98 Use the correct function number when updating the function def. 
Functions are 1 based in progs bug 0 based in qfo files.
 2011-03-05 16:00:39 +09:00
Bill Currie
535dfad305 Emit defs for far data. 
They will break when the offsets exceed 64k, but they are needed for
debugging.
 2011-03-05 15:59:14 +09:00
Bill Currie
97b1ceceb0 Fix line number info. 
line number info is now 1 based rather than 0 based (to better detect when
a function does not have line number info).
 2011-03-05 15:40:08 +09:00
Bill Currie
8eb5fd653a Perform the relocations!!! 
line numbers seem to be broken, but the code itself looks good.
 2011-03-05 08:41:14 +09:00
Bill Currie
0bd0f783b2 Update def offsets with their final locations. 2011-03-04 23:37:46 +09:00
Bill Currie
6d02555ca9 Reorganize the offset calculations. 
keep the offset calculations separate from the data transfers for better
clarity in what is happening.
 2011-03-04 23:31:09 +09:00
Bill Currie
bc78b84869 Set the target of string relocs to the string index. 2011-03-04 21:29:10 +09:00
Bill Currie
5a552d8841 Add the null function. 2011-03-04 20:29:40 +09:00
Bill Currie
368a3826be Redo the offset and size calculations for qfo_to_progs(). 2011-03-04 20:14:02 +09:00
Bill Currie
cd12a78f93 Replace some accidentally deleted code. 
Forgot to commit it the first time round, then rebase messed me up and I
didn't notice until after pushing. *sigh*
 2011-03-04 19:02:47 +09:00
Bill Currie
72fae608e5 Write the function start address to the progs file. 
Oops:P
 2011-03-04 18:46:28 +09:00
Bill Currie
2211a807d4 Do not relocate builtin functions. 2011-03-04 18:46:25 +09:00
Bill Currie
d6d8b5b49d Generate the debug symbol file. 2011-03-04 18:46:05 +09:00
Bill Currie
4a99f8dcbd Write the linker output to progs.dat. 
There is much breakage, but qfcc now produces a progs.dat from either
progs.src or object files. Better yet, the progs.src result is passed
through the linker, removing much duplicate code.
 2011-03-02 20:51:00 +09:00
Bill Currie
ecb995a8f7 Rewrite qfo_to_progs() to go direct from qfo to progs.dat. 
Relocs and debug info is currently broken.
 2011-03-02 19:06:43 +09:00
Bill Currie
824d8bfc3c Remove some now unnecessary functions. 2011-03-02 14:21:20 +09:00
Bill Currie
bad7078797 Don't set the space defs pointer if there are no defs. 2011-02-28 23:16:59 +09:00
Bill Currie
5d9fbc2d6d Set the space ids to the destination space. 
This is mostly redundant, but it allows qfo spaces to get out of order
without breaking everything.
 2011-02-28 23:16:19 +09:00
Bill Currie
8b661bbb89 Rename qfo_reloc_t's def to target and correct its usage. 2011-02-27 11:37:24 +09:00
Bill Currie
a106c1fb51 Add a field for loose relocation records. 
Loose relocation records are those that are not bound to a def or a
function.
 2011-02-24 15:21:06 +09:00
Bill Currie
66b255afbf First stage of the linker rewrite. 
Strings, code and data spaces are "merged". Various offsets are updated.
Still to do:
 o  Merge reloc, def, function and line data.
 o  Merge type data.
 o  Update def and function type pointers.
 o  Resolve external defs and check for duplicate defs.
 o  Perform relocations.
 o  anything else I've forgotten :)
 2011-02-24 12:18:35 +09:00
Bill Currie
74497f00e1 Read qfo object files :) 2011-02-23 18:10:38 +09:00
Bill Currie
33810e9c91 Write out object files in the new format. 2011-02-23 15:05:33 +09:00
Bill Currie
e1158a83f0 Begin work on rewriting obj_file.c for the new format. 2011-02-22 15:42:49 +09:00
Bill Currie
afc5b2827d Simplify def handling, use far data. 
Since there is now a proper symbol table, defs are now just references to
memory locations and the symbol table takes care of duplicates.

Also, start using far data for ObjQC structures.

The qfo functions have been stubbed out until I figure out what to do with
object files in the new scheme.
 2011-01-24 15:41:43 +09:00
Bill Currie
b5424bca7d Start work on getting expressions converted to internal statements. 2011-01-19 15:47:45 +09:00
Bill Currie
87ce9f5333 Get basic function creation working. 
Even more FIXMEs, but the pascal parser can now create functions. The
function records even get emitted.
 2011-01-18 12:47:13 +09:00
Bill Currie
ea3895805b Rewrite much to use symbols and symtabs. Gut emit.c. Massive breakage. 
That which isn't rewritten is horribly broken. However, this does include a
nice mechanism for building QC structs for emitting data.

emit.c has been gutted in the spirit of "throw one away".

There is much work to be done to get even variables emitted, let alone
code. Things should be a little more fun from here on.
 2011-01-17 22:34:41 +09:00
Bill Currie
75ec6bf244 Clean out some unnecessary types from the progs engine and clean up the mess. 
This is a nasty commit, sorry, but 99% of the commit is interdependent.
 2011-01-10 12:25:31 +09:00
Bill Currie
c8b7622e0e reduce the amount of memory wasted when generating the output file 2009-12-20 12:19:16 +00:00
Bill Currie
c542138300 more not-really initialized data 2009-12-20 11:54:19 +00:00
Bill Currie
9ac15436d9 More docs. 
Enhance qfprogs qfo debugging.

Make sure functions marked as extern don't emit anything. Fixes the segfault
when building klik.
 2008-08-01 13:54:24 +00:00
Bill Currie
3e50aae01f "print" command for dumping values in the progs and add return type info to the debugging information 2007-09-15 07:47:31 +00:00
Bill Currie
845b5ab2e2 don't write alias defs to the qfo 2007-04-09 14:25:44 +00:00
Bill Currie
9509d0fd5e make qfo files typesize safe 2007-04-07 12:35:03 +00:00
Bill Currie
3fb03fc2be hah, should have been using __attribute__((used)) all that time (rather 
than __attribute__((unused))). fixes the missing console in -x11
 2005-08-04 15:27:09 +00:00
Bill Currie
f1c9a8d24b remove a mostly unused field 2004-02-21 05:58:01 +00:00
Bill Currie
b38486d405 make rel_def_op work properly 2003-08-22 19:48:14 +00:00
Bill Currie
b6b5089ccc add a "nosave" flag to defs making it easier to make defs that don't get 
saved automaticly
 2003-04-25 17:00:22 +00:00
Bill Currie
8f4308c86a get .param_size and .debug_file linked in properly 2003-04-23 18:25:09 +00:00
Bill Currie
44285ba5de speed up qfo writing by about 12.5:1 (for large object files, anyway) by 
making compression optional (compressed qfo files will still be handled
transparently)
 2003-02-23 23:43:43 +00:00
Bill Currie
761a7546dd re-arrange things so __attribute__ and __builtin_expect are properly 
autoconfiscated so rcsid will continue to work with gcc 3.3
 2003-01-15 15:31:36 +00:00
Bill Currie
71196fedf6 make gcc more anal about prototypes, string constants and function 
visibility (ie, global functions must have a prototype)
 2003-01-06 18:28:13 +00:00
Bill Currie
ca4b3acd6c big protototype cleanup. Now, except for a few cases, all non-static 
prototypes are in headers files.
 2002-11-05 19:12:51 +00:00
Bill Currie
5a182b7cd4 turns out that flags == 0 is quite valid (d'oh) 2002-10-16 06:33:14 +00:00
Bill Currie
6af57049d5 make pointers work a bit better 2002-10-16 02:04:06 +00:00
Bill Currie
412db7e27d "for example" is more appropriate than "that is" 2002-09-16 15:42:11 +00:00
Bill Currie
e5227076e0 put in some error checking on the Qopen calls 2002-09-10 15:46:50 +00:00
Bill Currie
ec47e08e1c go back to using QFile, quakeio.h and quakefs.h 2002-08-27 07:16:28 +00:00
Bill Currie
aaab480676 fix a bunch of potential malloc (0) calls 2002-08-25 23:16:07 +00:00
Bill Currie
36ca7b55bd fix several problems caused by insufficient error checking and some double 
Qclose calls
 2002-08-15 18:53:03 +00:00
Bill Currie
a431a2783c byteswap the reloc def field too (fixes the qfcc seg on big-endian systems) 2002-08-09 04:06:50 +00:00
Bill Currie
1e49f0d0c3 fix a segfault (what was I thinking when I wrote that line?) 2002-07-23 05:44:45 +00:00
Bill Currie
c2a7564d55 implement -l, but -L isn't supported yet and the full lib name must be given 2002-07-21 07:12:17 +00:00
Bill Currie
b0d568d85f local defs for debug info now work 2002-07-17 15:40:08 +00:00
Bill Currie
980be66c0e bah, missed this file 2002-07-17 14:21:52 +00:00
Bill Currie
678a45cfe2 entity fields seem to work. I guess this means separate compilation is now 
useful :)
 2002-07-16 21:59:47 +00:00
Bill Currie
17c2def821 def merging seems to mostly work (have some problems with method lists) 2002-07-16 06:40:34 +00:00
Bill Currie
b9a237b13d rename qfo_function_t to qfo_func_t and similar for other qfo *function* in 
obj_file.[ch]
 2002-07-15 21:37:52 +00:00
Bill Currie
e550ad670a more linking fixes, including seting up relocations. not quite working yet 2002-07-13 06:09:03 +00:00
Bill Currie
b48d71fdcc make qfo functions 0 based. now having weird def problems :/ 2002-07-12 22:27:40 +00:00
Bill Currie
2a121d000f fix a couple of dumb bugs and update the function number calculation 2002-07-12 20:43:11 +00:00
Bill Currie
06c03dd074 make local defs always come after global defs in linked qfo files and make 
function relocations work better
 2002-07-12 20:26:51 +00:00
Bill Currie
24d473c386 more linking fixes 2002-07-12 06:17:24 +00:00
Bill Currie
0f5f68623f it's as broken as all-get-out, but object files can now be linked 2002-07-11 22:38:23 +00:00
Bill Currie
a9899087d3 fix a bunch of silly bugs and get the linked output written (hangs, though) 2002-07-11 21:04:09 +00:00
Bill Currie
4d1dbc8cc1 re-write qfo writing from progs, make qfo creation easier, (mostly) finish 
the linker. now for testing :)
 2002-07-11 20:17:26 +00:00
Bill Currie
bc5beea311 getting closer to being able to link 2002-07-11 17:06:15 +00:00
Bill Currie
2cb6138f2b fix a silly segfault and make statement allocation saner 2002-07-08 20:31:59 +00:00
Bill Currie
e815669b7a finish (for now:/) qfo_to_progs 2002-07-08 16:13:06 +00:00
Bill Currie
24e242ed35 move the type strings into their own string pool so the progs strings don't 
get cluttered
 2002-07-08 05:26:50 +00:00
Bill Currie
598edb26fd parse a type back from its encoding (some info will be lost) 2002-07-08 05:10:05 +00:00
Bill Currie
8a402381e6 redo how progs strings are stored so multiple pools can exist 2002-07-05 20:02:10 +00:00
Bill Currie
102eab0d84 linker.[ch]: 
start working on the linker.
class.[ch]:
	redo class defs so the pointer works (needs relocs still)
obj_file.h:
	add prototype for read_obj_file, QFO_* data access macros and include
	pr_debug.h
type.[ch]:
	separate type system initialisation and recording of the standard types
	so find_type works properly in multiple compilation
def.c:
	don't mark static defs as initialized
expr.c:
	proper class pointer def stuff
immediate.c:
	clean out dead vars/code
obj_file.c:
	allocate space for the line info and bail if the file can't be opened.
qfcc.c:
	register the standard types for each compile pass and start linking the
	files
 2002-07-03 20:16:32 +00:00
Bill Currie
211b11c8ae some storage and obj file fixes 2002-07-02 23:08:44 +00:00
Bill Currie
66aa36b73f start implementing storage classes (extern, static, etc) 2002-06-28 17:59:32 +00:00
Bill Currie
8e2dbc1947 gzwrite doesn't like 0 bytes 2002-06-28 16:52:41 +00:00
Bill Currie
1a0b69e1d9 "qfcc *.qc" can now get through the prozac source withtout crashing (oodles 
of compile errors, though:)
 2002-06-28 16:38:05 +00:00
Bill Currie
001571e25a various memory saving tricks. seems to have not broken anything 2002-06-27 22:48:28 +00:00
Bill Currie
362ec2a23a do some freeing 2002-06-26 16:27:23 +00:00