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223 Commits

Author SHA1 Message Date
Ian Lance Taylor
88dd47ac00 Implement --just-symbols, including -R FILE. Fix symbol values when 
doing a relocatable link.
 2008-02-07 01:51:25 +00:00
Ian Lance Taylor
fbfba50887 Support creating empty output when there are no input objects. 2008-02-06 20:32:10 +00:00
Ian Lance Taylor
a445fddf82 Fully implement the SECTIONS clause. 2008-02-04 05:43:05 +00:00
Ian Lance Taylor
65778909ad From Cary Coutant: Ignore hidden symbols in a dynamic object. 2008-02-01 00:42:24 +00:00
Ian Lance Taylor
9b07f471e3 Don't pass around the target in order to define symbols; get it from 
the parameters instead.
 2008-01-26 01:17:45 +00:00
Ian Lance Taylor
55a934330a Originally from Craig Silverstein, with changes: support using a 
version script to force symbols to be local.
 2008-01-24 00:15:00 +00:00
Ian Lance Taylor
091244672e From Andrew Chatham and Craig Silverstein: Add support for version 
scripts.
 2008-01-15 23:41:28 +00:00
Ian Lance Taylor
e5756efb6d Support assignments and expressions in linker scripts. 2008-01-09 19:57:45 +00:00
Ian Lance Taylor
cb29561284 Reduce the number of system calls. Use readv instead of pread. Do 
better handling of cached views.
 2008-01-02 23:48:49 +00:00
Ian Lance Taylor
99f8facac9 From Cary Coutant: Fix handling of versioned symbols, add some tests. 2007-12-21 23:31:19 +00:00
Ian Lance Taylor
fe8718a463 Convert more instances of off_t to be 32-bit types. 2007-12-20 21:21:24 +00:00
Ian Lance Taylor
c0873094f5 Use string length when available when calling Stringpool. Compare 
pointers first when looking up Stringpool entries.
 2007-12-19 00:29:28 +00:00
Ian Lance Taylor
8383303e0a Add section_size_type and section_offset_type, use them to replace a 
lot of instances of off_t.
 2007-12-18 00:48:04 +00:00
Ian Lance Taylor
17a1d0a9b2 Rewrite workqueue. This version eliminates the master thread, and 
reduces the amount of locking required to find a new thread to run.
 2007-12-14 19:00:21 +00:00
Ian Lance Taylor
6d01333390 From Craig Silverstein: size hash tables to avoid resizing. 2007-12-14 05:24:17 +00:00
Ian Lance Taylor
e8c846c359 From Cary Coutant: Fix handling of RELATIVE RELA relocs. 2007-12-07 19:32:59 +00:00
Ian Lance Taylor
7bf1f8020f From Cary Coutant: More support for generating shared libraries. 2007-12-06 05:55:50 +00:00
Ian Lance Taylor
ad8f37d1ba Stringpool stats. Also make Symbol_table support functions inline. 2007-12-05 00:48:49 +00:00
Ian Lance Taylor
abaa399568 Print symbol table statistics with --stats. 2007-12-04 23:11:35 +00:00
Ian Lance Taylor
c79126688f Add threading support. 2007-11-22 00:05:51 +00:00
Ian Lance Taylor
dd8670e56c From Craig Silverstein: Quote the symbol name in the ODR violation 
message to avoid a gcc collect2 demangling bug.
 2007-11-17 02:49:22 +00:00
Ian Lance Taylor
ff541f308a When looking for ODR violations, only check the file base name. Also, 
never demangle if --no-demangle was used.
 2007-11-16 16:54:19 +00:00
Ian Lance Taylor
b01c0a4adb Workaround bug in gcc 4.0.3 STL. 2007-11-15 20:41:19 +00:00
Ian Lance Taylor
a2b1aa12f7 From Craig Silverstein: Add support for --demangle. 2007-11-15 01:12:55 +00:00
Ian Lance Taylor
78f156961e From Craig Silverstein: Report output file name with ODR violation 
warning message.
 2007-11-14 18:44:58 +00:00
Ian Lance Taylor
9a2d698415 Add heuristics for undefined symbol warnings. 2007-11-14 16:53:25 +00:00
Ian Lance Taylor
601e4987b8 Revert last patch. 2007-11-14 08:03:41 +00:00
Ian Lance Taylor
3728821ffc Support special always-defined symbols for targets. 2007-11-14 07:52:21 +00:00
Ian Lance Taylor
e2827e5f52 Warn about undefined references in shared libraries if we have seen 
all the DT_NEEDED entries for that library.
 2007-11-14 07:34:53 +00:00
Ian Lance Taylor
a55ce7febf From Craig Silverstein: Rework debug info code a bit, add option for 
ODR violations, add test case.
 2007-11-14 01:03:01 +00:00
Ian Lance Taylor
70e654ba48 From Craig Silverstein: First cut at detecting ODR violations. 2007-11-13 20:02:32 +00:00
Ian Lance Taylor
d61c6bd41c From Cary Coutant: More shared library support, some refactorization. 2007-11-09 19:45:08 +00:00
Ian Lance Taylor
730cdc88f7 Generate a complete exception frame header. Discard duplicate 
exception frame information.
 2007-11-09 07:00:15 +00:00
Ian Lance Taylor
35cdfc9a87 Add support for PT_GNU_STACK. 2007-10-23 05:05:48 +00:00
Ian Lance Taylor
46fe162319 Fix versions of copied symbols. 2007-10-22 23:08:22 +00:00
Ian Lance Taylor
436ca963fd From Cary Coutant: preliminary shared library support. 2007-10-16 23:23:08 +00:00
Ian Lance Taylor
aeddab66fe Keep track of weak aliases, so that overriding environ works. 2007-10-14 15:35:27 +00:00
Ian Lance Taylor
75f2446ec3 Run all error handling through an Errors object. Delete output file 
on error.
 2007-10-14 06:49:14 +00:00
Ian Lance Taylor
cfd73a4e26 Add an option for Stringpools to not copy strings. 2007-10-12 06:06:34 +00:00
Ian Lance Taylor
9e2dcb779c Implement -s and -S options which strip symbols. 2007-10-10 19:02:56 +00:00
Ian Lance Taylor
b3b74ddc6e Use parameters to track whether we are doing a static link. Fix up 
final_value_is_known for weak undefined symbols.  Pointed out by Cary
Coutant.
 2007-09-28 06:36:25 +00:00
Ian Lance Taylor
9025d29d14 Put size and endianness in parameters. 2007-09-26 07:01:35 +00:00
Ian Lance Taylor
9eb9fa57c2 Add cache parameter to get_view. Discard uncached views on unlock. 
Fix bug this exposed in archive armap symbol name handling.
 2007-09-25 17:50:26 +00:00
Ian Lance Taylor
ab5c9e90a6 Use special value when we refer a function symbol in some way other 
than calling it.
 2007-09-23 05:31:48 +00:00
Ian Lance Taylor
6cb15b7f89 Add licensing text to every source file. 2007-09-22 21:02:10 +00:00
Ian Lance Taylor
d4f5281bde It's OK to have a version if we have an existing symbol. 2007-09-22 20:08:16 +00:00
Ian Lance Taylor
306d9ef048 Canonicalize name and version when working with special symbols. 2007-09-22 04:40:13 +00:00
Ian Lance Taylor
86f2e68346 Let special symbols override existing symbols rather than 
reinitializing them.
 2007-09-19 06:02:29 +00:00
Ian Lance Taylor
193a53d920 Add support for --enable-target to control which template 
specializations we generate.
 2007-09-04 20:00:53 +00:00
Ian Lance Taylor
64707334c7 Ignore VER_NDX_LOCAL for an undefined symbol. 2007-09-04 17:59:53 +00:00
Ian Lance Taylor
1ebd95fdf1 Copy in_reg and in_dyn when resolving NAME/VERSION with NAME/NULL. 2007-08-29 03:42:51 +00:00
Ian Lance Taylor
f4151f8959 Initialize plt_offset_ and has_plt_offset_ in a Symbol. 2007-08-28 04:11:50 +00:00
Ian Lance Taylor
a6badf5a97 Add support for -E/--export-dynamic. Also clean up --help output a bit. 2007-08-22 05:06:38 +00:00
Ian Lance Taylor
008db82ec1 Don't emit symbols seen only in dynamic object, don't read duplicate 
dynamic object.
 2006-12-06 06:28:56 +00:00
Ian Lance Taylor
14b3174058 Generate version information. 2006-12-06 00:02:36 +00:00
Ian Lance Taylor
6a4699867a gcc 3.2.2 portability hacks. 2006-12-01 16:58:12 +00:00
Ian Lance Taylor
16649710df Can now dynamically link hello, world. 2006-12-01 16:51:25 +00:00
Ian Lance Taylor
a3ad94edd4 Hash tables, dynamic section, i386 PLT, gold_assert. 2006-11-29 17:56:40 +00:00
Ian Lance Taylor
c06b7b0ba3 Snapshot. Includes first cut at output relocation sections. 2006-11-16 00:38:25 +00:00
Ian Lance Taylor
dbe717effb More dynamic object support, initial scripting support. 2006-11-14 19:21:05 +00:00
Ian Lance Taylor
645f81233b Add Elf_file interface which can be used by both Sized_relobj and 
Sized_dynobj.
 2006-11-07 18:51:39 +00:00
Ian Lance Taylor
f0641a0b38 Rework stringpool and hash tables so that we always generate the same 
output regardless of randomize_va_space.
 2006-11-07 04:40:46 +00:00
Ian Lance Taylor
f6ce93d6e9 Split Object into Dynobj and Relobj, incorporate elfcpp swapping changes. 2006-11-06 22:46:08 +00:00
Ian Lance Taylor
593f47df45 gcc 3.2.2 portability hacks. 2006-11-03 18:38:43 +00:00
Ian Lance Taylor
ead1e4244a Can now do a full static link of hello, world in C or C++ 2006-11-03 18:26:11 +00:00
Ian Lance Taylor
a783673bd6 Avoid multiple definition errors from linkonce sections. 2006-10-10 18:54:06 +00:00
Ian Lance Taylor
5482377ddc Clean up HAVE_MEMBER_TEMPLATE_SPECIFICATIONS somewhat. 2006-09-29 22:34:01 +00:00
Ian Lance Taylor
61ba1cf936 Snapshot. Now able to produce a minimal executable which actually 
runs.
 2006-09-29 19:58:17 +00:00
Ian Lance Taylor
75f65a3e30 Finished layout code. 2006-09-27 22:53:42 +00:00
Ian Lance Taylor
274e99f9ae g++ 3.2.2 portability fixes. 2006-09-26 21:50:25 +00:00
Ian Lance Taylor
54dc642545 More section layout code. 2006-09-26 21:00:34 +00:00
Ian Lance Taylor
1564db8db6 More symbol resolution code. 2006-09-07 21:21:41 +00:00
Ian Lance Taylor
14bfc3f555 Another snapshot of the current state of the sources. Gets to the 
point of symbol resolution and can now issue a multiple definition
error.  Also added target selection infrastructure.
 2006-08-18 22:29:20 +00:00