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472 Commits

Author SHA1 Message Date
Jeff Cohen
7311de2af2 Use binary mode for reading/writing bytecode files 
llvm-svn: 19751
 2005-01-22 17:36:17 +00:00
Reid Spencer
03a53912a7 Remove potential platform portability issue with size of "int". 
llvm-svn: 19172
 2004-12-29 01:20:24 +00:00
Reid Spencer
44d96443fe For PR351: 
Remove unix specific code (use of errno and read) from the reader.
Thanks to Jeff Cohen for pointing this out.

llvm-svn: 19081
 2004-12-21 07:51:33 +00:00
Reid Spencer
f9693c67ae Remove the #include of llvm/Config/unistd.h as it is no longer needed. 
llvm-svn: 19067
 2004-12-20 04:52:04 +00:00
Jeff Cohen
61fe69a426 Fix problems uncovered by VC++ (first time compiled by VC++) 
llvm-svn: 19056
 2004-12-20 03:23:46 +00:00
Reid Spencer
ffc90507a4 For PR351: 
* Remove #inclusion of FileUtilities.h, not needed any more.
* Convert getUniqueFilename -> sys::Pat::makeUnique()

llvm-svn: 18948
 2004-12-15 01:51:56 +00:00
Reid Spencer
1c72c28b2b For PR351: 
Use sys::MappedFile instead of ReadFileIntoAddressSpace and
UnmapFileFromAddressSpace. sys::MappedFile has the nice property that it
cleans up after itself so exception handling can be removed.

llvm-svn: 18902
 2004-12-13 18:25:27 +00:00
Reid Spencer
aaa17b8807 Make sure the Archive gets deleted if there's an error. 
llvm-svn: 18869
 2004-12-13 03:22:31 +00:00
Reid Spencer
466ab53f35 Implement error handling in OpenAndLoad* functions so the Linker can handle it. 
llvm-svn: 18853
 2004-12-13 02:59:03 +00:00
Reid Spencer
e2af9dc813 Path::get -> Path::toString 
llvm-svn: 18785
 2004-12-11 00:14:15 +00:00
Chris Lattner
c5f6c3fd48 Remove a dead field, make the map go to integer type ID to hash better and 
avoid a getType.

llvm-svn: 18691
 2004-12-09 06:19:44 +00:00
Chris Lattner
565d505b28 Remove #include inadvertently added 
llvm-svn: 18686
 2004-12-09 04:53:17 +00:00
Chris Lattner
23b2d6fd82 Eliminate this ugly hack. This was put back in when replaceAllUsesOf used 
a different algorithm that was extremely inefficient for instructions with
many operands.

This reduces the time of this code snippet from .23s for 176.gcc to 0.03s
in a debug build, which speeds up total llvm-dis time just barely.

It's more of a code cleanup than a speedup.

llvm-svn: 18685
 2004-12-09 04:51:50 +00:00
Reid Spencer
8cddd97526 Provide more information in the error message that occurs when there are 
unresolved constants remaining.

llvm-svn: 18502
 2004-12-04 22:19:53 +00:00
Chris Lattner
8f849baa59 Check in some patches for better assertions 
llvm-svn: 18500
 2004-12-04 21:28:47 +00:00
Chris Lattner
8bd875f0de Do not allow bytecode files with unresolved references to be read. Doing 
so lets wierd ConstantPlaceholder objects sneak into the system which
confuses it greatly.

llvm-svn: 18487
 2004-12-04 05:28:27 +00:00
Chris Lattner
d6020eabef RevisionNum is read by error(), initialize it early. 
llvm-svn: 18386
 2004-11-30 16:58:18 +00:00
Reid Spencer
49f3fe5d81 Compute the firstFileOffset correctly after reading the LLVM symbol table. 
llvm-svn: 18300
 2004-11-28 03:13:02 +00:00
Reid Spencer
d841d33637 Adjust to Compressor interface change 
llvm-svn: 18249
 2004-11-25 19:38:05 +00:00
Reid Spencer
da5beb436a Allow reading of member names that begin with an _ character. 
llvm-svn: 18179
 2004-11-23 22:35:39 +00:00
Reid Spencer
df25e5b3bb Fix a comment to imply the correct semantics. 
llvm-svn: 18097
 2004-11-22 02:58:47 +00:00
Reid Spencer
f381e95cc6 Distinguish between BSD4.4 and SVR4 symbol tables 
llvm-svn: 18044
 2004-11-20 07:29:40 +00:00
Reid Spencer
1c4d0a214a Correct the computation of when to add the padding. It is not based on the 
member's size. It is based on the oddness/evenness of the file pointer.
This fixes a bug with llvm-ar not being able to read archives produced by
llvm-ranlib when there are members with odd long file name lengths.

llvm-svn: 17997
 2004-11-19 17:08:00 +00:00
Chris Lattner
e5662f4700 Add note that this is for old bytecode files. 
llvm-svn: 17991
 2004-11-19 16:24:05 +00:00
Reid Spencer
640ab4f4f6 Don't save an iterator, just use post-increment. 
llvm-svn: 17981
 2004-11-19 03:44:10 +00:00
Reid Spencer
a181a37bb4 Make findModulesDefiningSymbols modify its symbols argument so we can \ 
eliminate symbols defined by the archive efficiently

llvm-svn: 17976
 2004-11-19 03:18:22 +00:00
Reid Spencer
a98ccac6fc Fix some things for Mac OSX archives: 
* ensure trailing spaces are eliminated so they don't factor into the
  length of a member's name.
* make sure all the bytes of a name are written even if the name ends in
  multiple null characters (bug in OSX ar)
* make sure we provide the full member name when searching for symbols so
  the module name is not accidentally duplicated.

llvm-svn: 17918
 2004-11-17 18:28:29 +00:00
Reid Spencer
3e245bd4d5 Make sure we parse bytecode with a module identifier that reflects the full 
name of the module: "Archive.a(object.o)"

llvm-svn: 17917
 2004-11-17 18:25:21 +00:00
Reid Spencer
b9fbea4c79 Adjust long file name writing to match BSD 4.4 and Mac OSX style archives. 
llvm-svn: 17910
 2004-11-17 16:14:21 +00:00
Reid Spencer
f59013e0fa Despite documentation to the contrary, Mac OSX and BSD 4.4 archive formats 
*do* include the length of the long file in the length of the member and
they are *not* null terminated.

llvm-svn: 17909
 2004-11-17 16:13:11 +00:00
Reid Spencer
35a3e7eacc Fix typeo in comment. 
llvm-svn: 17892
 2004-11-16 07:05:16 +00:00
Reid Spencer
2d66bbb7c3 Per code review:\ 
* Make the numVbrBytes function more efficient and better documented \
* Fix a bug in name truncation \
* Add comments before functions \
* Get rid of functions that are now inlined into the header \
* Do not have Archive doing symbol table printing \
* Put assert comments into the assert so they print out \
* Make sure foreign symbol tables are written

llvm-svn: 17884
 2004-11-16 06:47:30 +00:00
Reid Spencer
b6d946d19d Per code review:\ 
* Make sure we write out the foreign symbol table if we read one \
* Make the padding calculation more efficiently and avoid Solaris warnings

llvm-svn: 17883
 2004-11-16 06:47:19 +00:00
Reid Spencer
e39cdbd7f7 Per code review:\ 
* Make sure all members are initialized upon construction

llvm-svn: 17882
 2004-11-16 06:47:07 +00:00
Reid Spencer
2fe884dad8 Per code review:\ 
* Get rid of memory leaks on exception \
* Provide better comments of how the memory handling works

llvm-svn: 17876
 2004-11-16 06:41:05 +00:00
Chris Lattner
10b5a5c0da Do not emit FunctionBlock blocks for external functions. This shrinks 
bytecode files by about 8 bytes per external function

llvm-svn: 17859
 2004-11-15 22:39:49 +00:00
Chris Lattner
558ce75905 Use a per-function flag bit to indicate whether or not there is a function 
body for the function.

llvm-svn: 17858
 2004-11-15 22:38:52 +00:00
Chris Lattner
c199d448e9 Disable this change, it was premature 
llvm-svn: 17857
 2004-11-15 21:56:33 +00:00
Chris Lattner
704cad0375 Make *SURE* to null out the pointer before throwing an exception, otherwise 
the dtor for the BytecodeReader class will try to free it again!

llvm-svn: 17856
 2004-11-15 21:55:33 +00:00
Chris Lattner
4a2ae87435 Cleanups. Null out pointer after freeing it for paranoia 
llvm-svn: 17855
 2004-11-15 21:55:06 +00:00
Chris Lattner
571b490404 If a function is external, do not output a FunctionBlock for the function 
AT ALL.  This saves 11 bytes per external function from the bytecode file,
and is also required to make GhostLinkage work.

llvm-svn: 17854
 2004-11-15 21:46:40 +00:00
Chris Lattner
d1e621acc6 Make functions default to having external linkage if they have no 
FunctionBlock.

llvm-svn: 17853
 2004-11-15 21:43:03 +00:00
Reid Spencer
52da956231 * Make sure the string table gets read even if there isn't a foreign 
symbol table.
* Make sure we update the file pointer for each member when rebuilding the
  symbol table.

llvm-svn: 17812
 2004-11-15 01:40:20 +00:00
Reid Spencer
bfc924424d Changes necessary to enable linking of archives without LLVM symbol tables. 
llvm-svn: 17811
 2004-11-15 01:20:11 +00:00
Reid Spencer
85698d2435 Moved to lib/Bytecode/Archive. 
llvm-svn: 17800
 2004-11-14 22:38:32 +00:00
Reid Spencer
5c112bc910 Simplify compression code by using the high level interface to the Compressor 
llvm-svn: 17771
 2004-11-14 22:01:41 +00:00
Reid Spencer
cc354b445d Add wrappers to get defined symbols from bytecode 
llvm-svn: 17770
 2004-11-14 22:00:48 +00:00
Reid Spencer
b9baef5ca8 Simplify handling of decompression 
llvm-svn: 17769
 2004-11-14 22:00:09 +00:00
Reid Spencer
115f252d2a Simplify decompression code by using the high level interface to the Compressor 
llvm-svn: 17768
 2004-11-14 21:59:21 +00:00
Reid Spencer
2917639a35 Completely rewritten to allow reading of archives and symbol table lookup in a more efficient manner. 
llvm-svn: 17767
 2004-11-14 21:58:33 +00:00