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Commit Graph

52 Commits

Author SHA1 Message Date
Chris Lattner
07621721bf Minor cleanups:
* Local header file goes at top
 * Remove unneeded #includes
 * Wrap code at 80 columns
 * Declare variables where they are used
 * 'register' is not needed
 * Use 'unsigned' instead of 'int' variables where possible

llvm-svn: 8657
2003-09-22 20:21:34 +00:00
John Criswell
a63a20d3eb Removed linking functionality from gccld.cpp and moved it to linker.cpp.
Renamed functions that were all lower-case.
Moved functions from util.cpp into linker.cpp or gccld.cpp.
Removed util.h and created gccld.h.
Refactored the linker functionality in linker.cpp so that it is easier to
follow, easier to modify, and it's library/object file search behavior is
easier to understand and document.
Added code to include library paths when doing native linking, but this
causes problems and is currently #ifdef'd out.

llvm-svn: 8609
2003-09-19 20:24:23 +00:00
John Criswell
9f7bb3c331 Refactored gccld into three C++ source files.
Added code ignore bytecode link failures when generating native code.
Moved native code and bytecode generation out of the main() function.

llvm-svn: 8595
2003-09-18 16:22:26 +00:00
John Criswell
d3b8e07a98 Replaced the call to strdup() with a new operator followed by a strcpy().
This should prevent calls to the new oerator and malloc.

llvm-svn: 8587
2003-09-17 19:14:41 +00:00
John Criswell
b0eb351d77 Added the use of the const keyword.
Have gccld find the path to llc and gcc instead of having the library do it.

llvm-svn: 8586
2003-09-17 19:04:22 +00:00
John Criswell
2682c34226 Removed the use of the environ variable and instead use the environment array
passed into main().  This may (or may not) be more portable, but it looks
nicer.
Added functions to copy the environment array and modify the copy, thus
preserving the environment.
Switched from using system() to using ExecWait().
The code now removes the assembly file generated when using the -native option.
Fixed the remove_env() function: The previous revision truncated the
environment variable list.  This version just zaps the variable as intended.

llvm-svn: 8579
2003-09-17 15:20:51 +00:00
John Criswell
206836748e Added the -native option.
With this option, gccld links the program into LLVM bytecode and a native code
binary.  This allows llvmgcc to correctly tell GNU configure scripts when
things aren't defined properly (because the native link will fail).

llvm-svn: 8570
2003-09-16 21:27:35 +00:00
Brian Gaeke
b10292fa2a -abort-on-exception is gone. Rebuild your gccld shell scripts, folks! :-)
llvm-svn: 8368
2003-09-05 19:23:03 +00:00
John Criswell
cdcee99ee6 Added code that makes the bytecode file readable (needed by the generated shell
script).
Removed the use of sys/types.h and sys/stat.h.
Modified FileExists() so that it uses the access() system call to check for
file existance.  This requires less header files and might even be a tad bit
faster.

llvm-svn: 8328
2003-09-02 21:11:22 +00:00
John Criswell
3ac81b74cb Modified the code so that it uses the MakeFileExecutable() method. The new
library code now adds all execute bits that are allowed by the umask value to
the file's current permission bits.

llvm-svn: 8325
2003-09-02 20:17:20 +00:00
John Criswell
9047331cc7 "Help keep our secrets secret."
Added code to respect the umask value.  Before, files were generated world
readable, which may not be desirable for all installations.

llvm-svn: 8215
2003-08-29 14:46:12 +00:00
Chris Lattner
2f00b4ed63 add preliminary support for -export-dynamic
llvm-svn: 8058
2003-08-22 19:18:45 +00:00
Misha Brukman
1b0f71e3f1 Make the bytecode file executable as well for LLEE purposes.
llvm-svn: 7992
2003-08-20 20:38:15 +00:00
Chris Lattner
899f2381f1 Revert my last (accidental) checkin, but keep the typeo fix
llvm-svn: 7879
2003-08-15 04:56:47 +00:00
Chris Lattner
0427dd4f4f rename selection library to selectiondag
llvm-svn: 7878
2003-08-15 04:56:09 +00:00
Chris Lattner
caa0d010d6 Run the simplify CFG pass after instcombine which has the effect of deleting
ALL of the global ctor/dtor stuff if it is not used!

llvm-svn: 6916
2003-06-26 05:29:50 +00:00
Chris Lattner
622df692df Move the instcombine pass before globaldce, so that if globals are made dead by instcombine, that they can be deleted.
llvm-svn: 6910
2003-06-26 04:32:31 +00:00
Chris Lattner
daebdb2358 Funcresolve no longer performs nicification of resolved functions
instcombine does this

llvm-svn: 6787
2003-06-19 17:03:51 +00:00
Chris Lattner
7b1df04748 Add new DAE pass to gccld. It does not add cause any regressions in the test-suite
llvm-svn: 6770
2003-06-18 16:29:02 +00:00
Chris Lattner
67b4289b39 Fix formatting in file
llvm-svn: 6398
2003-05-29 15:13:15 +00:00
Chris Lattner
c8e346caeb Add compatibility option
llvm-svn: 6354
2003-05-27 19:15:11 +00:00
Brian Gaeke
b599881570 gccld.cpp:
Fix typo in header.
 Add IsArchive static method.
 Roll LoadLibraryFromDirectory() into LoadLibrary(), and factor
  LoadLibraryExactName() out of the result. Instead of treating the current
  directory specially, just insert it into LibPaths in the beginning of
  main().
 Make LoadLibrary() take a "search" flag that says whether to search for the
  correct library, or just trust that LibName is right.
 Make LinkLibrary() take a "search" flag, and pass it to LoadLibrary().
 Change the for-loop over InputFilenames to detect ar archives and link them
  in as libraries without searching.
 Change the for-loop over Libraries to explicitly turn on the "search" flag
  to LinkLibrary() that makes LoadLibrary() search for the correct library
  (i.e., when processing -lNAME options.)

llvm-svn: 6316
2003-05-23 20:27:07 +00:00
Chris Lattner
a929e45913 Search LLVM_LIB_SEARCH_PATH for objects to allow it to find crtend.o
Implement minor library linking optimization.

llvm-svn: 6181
2003-05-13 22:14:13 +00:00
Chris Lattner
4a984c606f Make sure to create a target data that matches the Module's target properties.
llvm-svn: 5904
2003-04-24 19:13:02 +00:00
Chris Lattner
cfac8ce5da Add support for allowing the user to extend the GCCLD searchpath
llvm-svn: 5825
2003-04-21 19:53:24 +00:00
Chris Lattner
e3fca9bc04 Eliminate useless duplicate libraries
llvm-svn: 5823
2003-04-19 23:07:33 +00:00
Chris Lattner
8b99be746e Add first support for linking in .a files correctly and minimally, like a real linker does
llvm-svn: 5822
2003-04-19 22:44:38 +00:00
Chris Lattner
f53dee47b8 Add crufty compatibility stuff for ld
llvm-svn: 5813
2003-04-18 23:38:22 +00:00
Chris Lattner
60bb70a682 Use anonymous namespace instead of "static"
Kill using decl

llvm-svn: 5811
2003-04-18 23:01:25 +00:00
Chris Lattner
4fa3b88238 Allow the user to disable the internalize pass
llvm-svn: 5792
2003-04-16 21:43:22 +00:00
Chris Lattner
9a6368cb87 Make stuff compiled with gccld not dump into the debugger if there's a problem
llvm-svn: 5028
2002-12-14 21:28:32 +00:00
Chris Lattner
ea9f0c3c4e Print the tool name when an error comes from so that I can tell which
tool of a pipeline is having issues.

llvm-svn: 3167
2002-07-30 21:43:22 +00:00
Chris Lattner
9099afeef5 *** empty log message ***
llvm-svn: 3087
2002-07-25 16:31:09 +00:00
Chris Lattner
b67e0533b7 *** empty log message ***
llvm-svn: 3044
2002-07-24 17:12:08 +00:00
Chris Lattner
5b4d1e6d6c *** empty log message ***
llvm-svn: 3040
2002-07-23 22:04:43 +00:00
Chris Lattner
99ad379582 *** empty log message ***
llvm-svn: 2985
2002-07-22 02:10:13 +00:00
Chris Lattner
a5eae315e5 YEs, we really do want to sort.
llvm-svn: 2810
2002-06-30 16:20:02 +00:00
Anand Shukla
c28bf298bb Changes for 64bit gcc
llvm-svn: 2799
2002-06-25 21:57:48 +00:00
Chris Lattner
d7cbd7d5d2 MEGAPATCH checkin.
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2778
2002-06-25 16:13:21 +00:00
Chris Lattner
58c7d2372e Use literal newline instead of endl
llvm-svn: 2668
2002-05-20 19:49:24 +00:00
Chris Lattner
466c66f47a Merge all include/llvm/Transforms/Scalar/* into a single Scalar.h
llvm-svn: 2538
2002-05-07 20:03:27 +00:00
Chris Lattner
e17a86e8a2 Oops, somehow lost a slash. Fixed
llvm-svn: 2524
2002-05-07 18:39:52 +00:00
Chris Lattner
9e1c79995e Updates to move some header files out of include/llvm/Transforms into
the Scalar and Utils subdirectories

llvm-svn: 2523
2002-05-07 18:36:35 +00:00
Chris Lattner
55a350ffa8 Run the internalize pass to mark all functions except main internal when
linking the final program to allow smarter optimizations

llvm-svn: 2364
2002-04-28 05:49:45 +00:00
Chris Lattner
ded2679ed0 Make sure that there is no case where a signal can occur leaving a partially
written output file.  This is important because crashing testcases often write
part of a file out, and the testing harness decides the file is up-to-date next
time the test is run.

llvm-svn: 2303
2002-04-18 19:55:25 +00:00
Chris Lattner
b78ee9705b * The cleangcc pass is broken into two parts, we only want to
FunctionResolvingPass one.
* We run it *after* the symbol stripping pass so that -strip can be
  pipelined with the constant merging pass or something else if desired.

llvm-svn: 2226
2002-04-10 20:37:47 +00:00
Chris Lattner
4522bc2f02 Add support for the gnu ld -s (strip) option
llvm-svn: 2157
2002-04-08 05:18:12 +00:00
Chris Lattner
0c23bfd2d8 GCCLD actually does transformations to simplify the linked program now.
llvm-svn: 2155
2002-04-08 00:14:58 +00:00
Chris Lattner
bc15ae64dd Change references to the Method class to be references to the Function
class.  The Method class is obsolete (renamed) and all references to it
are being converted over to Function.

llvm-svn: 2144
2002-04-07 20:49:59 +00:00
Chris Lattner
6a2a2e40f3 Echo the right tool name on error
llvm-svn: 1865
2002-03-12 15:41:36 +00:00