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106 commits

Author SHA1 Message Date
Bill Currie
34bcf7faab Do a pure/const/noreturn/format attribute pass. 
I always wanted these, but as gcc now provides warnings for functions that
could do with such attributes, finding all the functions is much easier.
 2018-10-09 12:42:21 +09:00
Bill Currie
59b04dbcca Make many qfo int fields unsigned. 
I don't remember why I thought signed was a good idea, but unsigned does
make more sense for most fields.
 2018-09-08 19:45:19 +09:00
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