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
29985efcef
Expose some linker functions to the rest of the compiler.
...
They proved to be useful for cleaning up the final compilation stages.
2011-03-02 20:48:55 +09:00
Bill Currie
8cdd28f534
Use qfo_to_progs() for dumping qfo data.
...
Yay, less duplicate code, and better yet, qfo_to_progs gets some much
needed testing :).
2011-03-02 19:08:11 +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
065d3e0dd7
Partial linking for a single qfo file now seems to work.
2011-03-02 14:03:41 +09:00
Bill Currie
bfeece3255
Fix the bogus declarations of obj_msgSend and obj_msgSend_super.
2011-03-02 12:35:10 +09:00
Bill Currie
fda46a4aca
Handle the special defs.
2011-03-02 12:26:53 +09:00
Bill Currie
330e76a9ac
Set the correct storage class for struct and enum specifiers.
2011-03-02 11:29:08 +09:00
Bill Currie
54317965cc
Handle relocs.
...
With this, the building of the work qfo seems to be almost finished, just
the special defs to go. Next step will be to stitch all the parts of the
work qfo into a real qfo.
However, still have to fix the relocs for the type descriptors, but they
are not critical to the linker's functioning.
2011-03-02 11:16:35 +09:00
Bill Currie
8669dc373f
Add some documentation.
2011-03-02 11:13:44 +09:00
Bill Currie
65bd215058
Minor rearrangements.
2011-03-01 15:35:14 +09:00
Bill Currie
2cb1c74718
More progress on the linker.
...
Need to finish up defs and handle relocs, and then take care of special
defs (@self etc), but things are getting very close.
2011-03-01 15:18:47 +09:00
Bill Currie
b584a22d6b
Fix external function declarations.
...
Use spec.storage rather than current_storage.
2011-03-01 11:08:33 +09:00
Bill Currie
cce6838e16
Ensure .ctor is declared static.
2011-03-01 11:08:32 +09:00
Bill Currie
c36919aae7
Fix verbosity and diagnostic messages.
2011-03-01 11:08:32 +09:00
Bill Currie
cfff2b1037
Add defs from near and far data spaces.
2011-03-01 10:52:27 +09:00
Bill Currie
21558864b9
Make defrefs a little more stupid.
...
Stupid code does little well :P
I forgot that spaces get realloced, and I don't remember why I had the def
list pointer separate anyway.
2011-03-01 09:19:04 +09:00
Bill Currie
1416b996d3
Ensure the type space pointer is cleared with each object file.
2011-03-01 09:18:09 +09:00
Bill Currie
30272968c9
Update the def's type pointer.
2011-03-01 09:17:32 +09:00
Bill Currie
1837518d05
Split the space processing into two passes.
...
This allows strings and types to be handled before code and data.
2011-03-01 08:48:58 +09:00
Bill Currie
eb11a19ed4
Split the type processing into two passes.
...
This allows all duplicate types to be "merged" before adding any new
types, thus avoiding any accidental duplication caused by possible
differences in order between defs and the type descriptors.
2011-03-01 08:46:02 +09:00
Bill Currie
05e6f00e72
Initialize the new type def.
...
Oops :P
2011-03-01 08:16:14 +09:00
Bill Currie
3761cddca6
Finally, some real progress on the linker.
...
There is still much to be done, but this seems to be a workable approach.
2011-02-28 23:18:07 +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
b544196c21
Change ptrfld to fldptr for consistency with type.h.
2011-02-28 23:12:32 +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
c8f1b5b1f0
Fix the missing type encoding for structures.
...
There should be a better way (probably by doing the encoding as needed
rather than in chain_type), but this seems to work for now.
2011-02-27 00:39:40 +09:00
Bill Currie
438d14d852
More or less fix qfprogs when dumping info from qfo files.
...
Relocations are still broken, but everything seems to be working and
qfprogs now seems to be generally usable.
2011-02-27 00:36:45 +09:00
Bill Currie
4f6d18a328
Encode the basic type for functions, fields and pointers.
...
Very important for distinguishing them from other types.
2011-02-27 00:33:16 +09:00
Bill Currie
9cf63dbbdf
Clean up the create of the obj_module_s structure.
2011-02-26 22:06:22 +09:00
Bill Currie
cbfbc0b01a
Ensure type_ClassPtr is chained before it is used.
2011-02-26 22:05:53 +09:00
Bill Currie
a7ae71efad
Fix some type encoding problems found using qfprogs.
2011-02-25 15:59:23 +09:00
Bill Currie
58ac212b54
Fix qfo function dumping.
2011-02-25 13:37:23 +09:00
Bill Currie
2b3436beed
Fix qfo reloc dumping.
2011-02-25 13:29:09 +09:00
Bill Currie
f43eda63fe
Fix qfo global dumping.
2011-02-25 09:39:07 +09:00
Bill Currie
f362e74f98
Update the header.
2011-02-24 15:24:35 +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
8f1e2c143a
Clean up some fixmes.
2011-02-24 14:08:42 +09:00
Bill Currie
c10a551c84
Rename new_defspace() and defspace_new_loc().
2011-02-24 13:07:36 +09:00
Bill Currie
88cd37a3e2
Header update for the renamed files.
2011-02-24 13:00:19 +09:00
Bill Currie
5efeb7ebf8
Rename some files that have been bugging me.
2011-02-24 12:59:18 +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
1f7c39b918
Chain @va_list's type.
...
Oops :P
2011-02-23 14:49:00 +09:00
Bill Currie
a1ea492889
Remove some redundant fields from qfo objects.
2011-02-23 10:40:35 +09:00
Bill Currie
c585a17db9
Give type data a null pointer.
...
Pointers to the void type descriptor looked just like null pointers and
that was terribly confusing. Avoid that confusion by pre-allocating a
small amount of data in order to reserve space for a null descriptor.
2011-02-23 08:08:26 +09:00
Bill Currie
e68e6d0858
Create defs for entity fields in the entity space.
2011-02-22 15:43:15 +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
64cf07351f
Encode types to string and qfo representation on creation.
2011-02-22 13:36:16 +09:00
Bill Currie
b50b392746
Fix field def allocation for function fields.
...
Assignment of nil to a field function is permitted, but trying to use one
as a builtin or as a normal function is treated as an error.
.void (float y) func; OK
.void (float y) bi = #0 ; error
.void (float y) ni = nil; OK
.void (float y) co = { }; error
2011-02-22 12:07:31 +09:00
Bill Currie
7d1f2c4ef3
Fix field def allocation for non-function fields.
2011-02-22 10:43:35 +09:00
Bill Currie
b7c6c4af5d
Better variable naming in init_elements().
2011-02-22 09:22:04 +09:00
Bill Currie
497db3ac81
Fix the return symbol extraction when appending a return statement.
...
The code is still icky, though :P
2011-02-22 09:20:52 +09:00
Bill Currie
4fd6bdae6f
Allow nil to be assigned to field variables.
...
Note, this is the field variable itself, not the field in the entity.
eg:
.integer x = nil;
2011-02-22 09:19:01 +09:00
Bill Currie
87b240f469
Use special treatment for .float ()foo; functions.
...
The parser wants to treat .float () foo; as a function returning a float
field, but qcc treats it as a field holding a function variable.
Fortuantely, field types are always "simple" (ie, at worst, just more
field type wrappers around the non-field type), so all that's needed to
obtain qcc grammar is to reach into the field type layers and do the
function type calculation based on the non-field type found there.
2011-02-22 08:54:01 +09:00
Bill Currie
4c11304c8d
Documentation tweaks.
2011-02-21 08:41:03 +09:00
Bill Currie
bffc1dd239
Clean up objective-qc type encoding.
...
Structures etc now never encode the fields as well (I might revert that
at some time). Type parsing has been removed: it has proven unnecessary
and overly complicated, and the new qfo encoding should be more useful.
2011-02-18 20:51:04 +09:00
Bill Currie
41523852cd
Cleaner def and string emittion for types.
...
Use local defines for emitting defs and strings as everything goes to the
same locations.
2011-02-18 12:44:11 +09:00
Bill Currie
7251bc91fa
Enhanced type encoding.
...
This creates a compact representation of types as seen by qfcc. This is
intended mainly for debuggers.
2011-02-18 09:06:05 +09:00
Bill Currie
0f0ed3dae2
Allow null types in defs again.
...
However, only at the lowest level. This is needed for my type encoding.
2011-02-18 09:04:33 +09:00
Bill Currie
bceb98e5a4
Create structures for new qfo format.
...
This breaks a lot of existing code, so that code has been commented out
for now.
2011-02-17 15:02:09 +09:00
Bill Currie
9c9a71f1af
Allow defs to specify use of offset relocations.
...
Access to struct fields in near data can be done using only one operand,
but offset relocs need to be used. However, as not all defs want offset
relocs, a flag has been added to the def struct.
2011-02-15 22:55:15 +09:00
Bill Currie
d04865884f
Set the method's function pointer.
2011-02-15 22:27:13 +09:00
Bill Currie
3721b2edca
Method lists are made of methods, not integers :P
2011-02-15 22:26:44 +09:00
Bill Currie
c068138d91
More addresses in hex.
2011-02-15 22:26:09 +09:00
Bill Currie
814e36d3c8
Correct an error message and tidy some code.
2011-02-15 22:25:40 +09:00
Bill Currie
4336fc2c73
Move method function defs into the far data space.
...
As they are never referenced directly by instructions, there's no need for
them to be in the near data space, taking precious def locations.
2011-02-15 15:33:18 +09:00
Bill Currie
5252d72856
Correct the type for _OBJ_SELECTOR_TABLE.
2011-02-15 15:33:12 +09:00
Bill Currie
b3da6ef3d4
Allow zero size arrays to match sized arrays of the same type.
...
This allows externally declared arrays to not specify a size.
2011-02-15 12:08:03 +09:00
Bill Currie
b2d4aee61e
Reimplement selector expressions to work with far data.
...
They currently execute a lea instruction every method call, but the
optimizer should take care of that once its written.
2011-02-15 10:48:05 +09:00
Bill Currie
6bd63f811f
Preserve any relocs when converting a def from extern to otherwise.
2011-02-15 10:47:16 +09:00
Bill Currie
4e86b28b59
Use the def type rather than expression type to select the init method.
...
Local defs may be initialized with non-constant expressions, which
includes function calls. Both function calls and aggregate initializers
use block expressions.
2011-02-15 09:38:44 +09:00
Bill Currie
19f6faf0ad
Fix aggregate initializers.
...
Initializing arrays and structs seems to be working.
2011-02-15 09:30:37 +09:00
Bill Currie
d162838299
Resurrect constant_expr().
2011-02-15 09:28:27 +09:00
Bill Currie
bc882ddc3c
Fix the parser side of aggregate initializers.
2011-02-14 23:31:37 +09:00
Bill Currie
09af401f0c
Reset current_func at the end of each function.
2011-02-14 23:10:46 +09:00
Bill Currie
5fa349927f
Preserve the ivars inheritance chain across build_struct().
...
build_struct() unlinks the structure symbol table from its parent, but
that breaks the ivar inheritance chain.
2011-02-14 23:10:46 +09:00
Bill Currie
5707888fcf
Fix some error-recovery segfaults.
2011-02-14 23:10:46 +09:00
Bill Currie
f1fccb19dd
Allow same-type re-declarations of uninitialized variables.
...
This is especially important for declaring variables that were previously
declared external.
2011-02-14 23:10:46 +09:00
Bill Currie
23b01be214
Handle invalid initializers gracefully.
2011-02-14 23:10:46 +09:00
Bill Currie
4c63a0bad6
Generate a warning when creating a var with no type.
...
This makes the internal error in new_def() non-functional, but the warning
will catch the bug and there's no harm in leaving the test in new_def().
2011-02-14 23:10:46 +09:00
Bill Currie
ee866ae3a6
Enable the small struct optimization.
...
For now, anyway. It would probably be much better to handle this sort of
thing in the optimizer stage.
2011-02-14 23:10:45 +09:00
Bill Currie
bcaf3687c5
Fix loading structs into params via an offset pointer.
...
For certain values of "fix" :/. The code is ugly, but it does the right
thing: calculate the effect address and use the resulting pointer in a
move instruction.
2011-02-14 23:10:45 +09:00
Bill Currie
352be1f8bd
Handle null string pointers.
2011-02-14 23:10:45 +09:00
Bill Currie
e10d561459
Treat small structs as integers (disabled).
...
This is more to stash away a potential optimization. I need to fix the
real problem first.
2011-02-14 23:10:45 +09:00
Bill Currie
6b29568fa9
Set the source file and line when copying an expression.
...
This fixes the crazy line numbers in the debug info.
2011-02-14 23:10:45 +09:00
Bill Currie
fc18ebd923
Add the source line number to most node labels.
2011-02-14 23:10:45 +09:00
Bill Currie
3e5989463f
Update the def_tail when removing the last def from the space.
2011-02-14 23:10:45 +09:00
Bill Currie
11485556e5
Quote expression names to avoid problems with null pointers.
2011-02-14 23:10:45 +09:00
Bill Currie
c139099294
Put another bandaid on the type creation system.
...
It seems that building types is very fragile: all too easy to fix things
in one place and break something somewhere else. I guess the type system
will need a comlete rewrite at some stage.
2011-02-14 23:10:45 +09:00
Bill Currie
e0d61705b4
And fix build_struct for built-in struct types.
...
The previous fix broke builtin structs (eg, @param). Calling find_type()
for built-in structs has proven to be a bad idea :)
2011-02-13 21:07:22 +09:00
Bill Currie
a19b7ec8f9
Make struct decls actually work.
...
find_type() does type comparisons based on tag name for struct/union/enum
but when it returns the previous tag (eg, from "struct foo;") the returned
type has a null symtab pointer, so setting the symtab pointer in the type
before calling find_type() only throws away the symtab. Thus, since
find_type() doesn't check the symtab pointer when comparing the types, set
the symtab pointer after calling find_type().
2011-02-13 20:56:12 +09:00
Bill Currie
acced90101
Create the symbol for the struct as early as possible.
2011-02-13 20:55:33 +09:00
Bill Currie
b545f72f93
Report errors for incomplete types and missing fields.
2011-02-13 20:23:08 +09:00
Bill Currie
c336aaeb80
Handle incomplete types gracefully.
2011-02-13 19:26:20 +09:00
Bill Currie
976ff8a6bb
Allow cast expressions to be lvalues.
...
These really need to be alias expressions rather than cast expressions
so the two can be separated as cast expressions should not be lvalues.
2011-02-13 17:54:15 +09:00
Bill Currie
fa742ceed6
Handle @self and @this correctly.
2011-02-13 17:52:19 +09:00