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1294 Commits

Author SHA1 Message Date
Devang Patel
ee4a3abede Even if the subprogram is going to use AT_specification, emit DW_AT_MIPS_linkage_name. This helps gdb and fixes var-path-expr.exp regression reported by gdb testsuite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 21:50:34 +00:00
Devang Patel
30692abac7 If the front end has emitted llvm.dbg.cu and other debug info anchors (clang does it now) then use them directly. This saves one scan of entire module, to collect debug info, which in turns saves few machine cycles at compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130759 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 16:45:22 +00:00
Devang Patel
c455bb7dc7 Emit debug info for global variables first. 
This works around a limitation in gdb which is reported by following inherit.exp test failures from gdb testsuite.

gdb.cp/inherit.exp: print g_vB.vB::vb
gdb.cp/inherit.exp: print g_vB.vB::vx
gdb.cp/inherit.exp: print g_vC.vC::vc
gdb.cp/inherit.exp: print g_vC.vC::vx
gdb.cp/inherit.exp: print g_vD.vB::vb
...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130702 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 18:19:17 +00:00
Rafael Espindola
e17e6c01c8 Only produce the eh_frame section if we have at least one personality function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130692 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 15:49:52 +00:00
Rafael Espindola
5426a9ee37 GCC uses a different encoding of pointers in the FDE when using 
-fno-dwarf2-cfi-asm. Implement the same behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130637 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 04:49:54 +00:00
Devang Patel
49a3ff9d17 Hoist MCLineEntry construction AsmPrinter so that anyone who derives from AsmPrinter can have line number entries. 
PR 9810



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:00:54 +00:00
Rafael Espindola
ac3ba1b27e The last hack for producing bit identical output with cfi on OS X. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 15:09:53 +00:00
Rafael Espindola
7b11a4cbdc Change DwarfCFIException's member variables to track what it actually 
emmits: .cfi_personality, .cfi_lsda and the moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:48:51 +00:00
Rafael Espindola
a432997745 Factor some code to needsCFIMoves. Avoid printing moves when we don't have to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:14:06 +00:00
Devang Patel
c26f5447e3 Teach dwarf writer to handle complex address expression for .debug_loc entries. 
This fixes clang generated blocks' variables' debug info.
Radar 9279956.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130373 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 02:22:40 +00:00
Rafael Espindola
60246a9622 Remove unnecessary argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:17:57 +00:00
Rafael Espindola
7afec9cc0f Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, and 
give it a bit more responsibility. Also implement it for MachO.

If hacked to use cfi, 32 bit MachO will produce

.cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr

and 64 bit will produce

.cfi_presonality ___gxx_personality_v0

The general idea is that .cfi_personality gets passed the final symbol. It is
up to codegen to produce it if using indirect representation (like 32 bit
MachO), but it is up to MC to decide which relocations to create.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:08:15 +00:00
Devang Patel
e1cdf84ee5 Simplify handling of variables with complex address (i.e. blocks variables) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 22:45:24 +00:00
Devang Patel
0be77dff11 Revert r130178. It turned out to be not the optimal path to emit complex location expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130326 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 20:29:27 +00:00
Rafael Espindola
fea8fea583 Print the label if we will use it in debug_frame. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130232 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 19:26:53 +00:00
Devang Patel
116da2fbe9 Refactor code. Keep dwarf register operation selection logic at one place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130231 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 19:06:18 +00:00
Chris Lattner
bffc2b4af1 don't emit the symbol name twice for local bss and common 
symbols.  For example, don't emit:
        .comm   _i,4,2                  ## @i
                                        ## @i

instead emit:
        .comm   _i,4,2                  ## @i



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 06:14:13 +00:00
Rafael Espindola
b28d4f152e Print all the moves at a given label instead of just the first one. 
Remove previous DwarfCFI hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130187 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 03:58:56 +00:00
Devang Patel
0c99861836 Let dwarf writer allocate extra space in the debug location expression. This space, if requested, will be used for complex addresses of the Blocks' variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130178 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 00:12:46 +00:00
Devang Patel
9341d10f94 Rename a local variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 23:05:21 +00:00
Devang Patel
b865d46d95 Rename a method to match what it really does. 
s/addVariableAddress/addFrameVariableAddress/g


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 23:02:17 +00:00
Devang Patel
80925f5dca Do not drop a variable's complex address if it is not based on frame base. 
Observed this while reading code, so I do not have a test case handy here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130167 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 22:52:55 +00:00
Rafael Espindola
e54e785be5 Simplify the logic. Noticed by aKor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:55:34 +00:00
Rafael Espindola
7ed6732447 Synchronize the conditions for producing a .cfi_startproc and a .cfi_endproc. 
Fixes PR9787.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:00:34 +00:00
Devang Patel
5e06bb83f4 Let front-end tie subprogram declaration with subprogram definition directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 23:10:17 +00:00
Devang Patel
eac0c9dc77 Do not leak argument's DbgVariables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 18:09:57 +00:00
Devang Patel
acc381bee9 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129938 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 21:07:35 +00:00
Devang Patel
2c4b4b195f Add comment in output stream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129921 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 17:50:24 +00:00
Rafael Espindola
4788c3e839 Remove unused arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129844 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-20 03:08:09 +00:00
Devang Patel
3f3bf9387b Reduce clutter in asm output. Do not emit source location as comment for each instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129715 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-18 20:26:49 +00:00
Benjamin Kramer
e5060984aa Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 10:30:47 +00:00
Rafael Espindola
30deafc84a Put each personality function in a section. This fixes the gnu ld warning: 
error in foo.o; no .eh_frame_hdr table will be created.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 03:51:21 +00:00
Devang Patel
e9db5e29e3 Introduce support to encode Objective-C property information in debugging information generated for an interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129624 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 00:11:51 +00:00
Rafael Espindola
126ae68152 Some refactoring suggested by Anton Korobeynikov. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129600 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 20:32:03 +00:00
Rafael Espindola
f0adba9a7e Add 129518 back with a fix for when we are producing eh just because of debug info. 
Change ELF systems to use CFI for producing the EH tables. This reduces the
size of the clang binary in Debug builds from 690MB to 679MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129571 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 15:11:06 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
NAKAMURA Takumi
bcb8c6d09e Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This reduces the" 
It broke several builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129557 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 03:35:57 +00:00
Rafael Espindola
3dae6e7333 Change ELF systems to use CFI for producing the EH tables. This reduces the 
size of the clang binary in Debug builds from 690MB to 679MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 15:18:53 +00:00
Devang Patel
65705d559a Remove extra bytes that were added for gdb. We do not have good poiner to understand actual reason behind this fixme. Spot checking suggest that newer gdb does not need this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129461 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 19:41:17 +00:00
Devang Patel
161b2f45c2 I missed this new file in previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129407 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:21:44 +00:00
Devang Patel
513edf62fa Simplify. There is no need to use static variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129406 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:10:47 +00:00
Devang Patel
5d60763831 Do not reuse parameter name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129405 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:09:06 +00:00
Devang Patel
3cbee30eac This mechanical patch moves type handling into CompileUnit from DwarfDebug. In case of multiple compile unit in one object file, each compile unit is responsible for its own set of type entries anyway. This refactoring makes this obvious. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129402 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 22:53:02 +00:00
Devang Patel
860cf9693a Remove dead typedef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129368 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 17:43:12 +00:00
Devang Patel
8b9df62d02 Refactor CompileUnit into a separate header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129367 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 17:40:32 +00:00
Devang Patel
3f932a74be Simplify array bound checks and clarify comments. One element array can have same non-zero number as lower bound as well as upper bound. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-08 23:39:38 +00:00
Devang Patel
fb6e8d6554 Do not emit DW_AT_upper_bound and DW_AT_lower_bound for unbouded array. 
If lower bound is more then upper bound then consider it is an unbounded array.
An array is unbounded if non-zero lower bound is same as upper bound.
If lower bound and upper bound are zero than array has one element.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129156 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-08 21:55:10 +00:00
Evan Cheng
1adb47cc11 Remove dead code. rdar://9221736. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-07 00:56:37 +00:00
Devang Patel
da19475328 Add support to encode function's template parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128947 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-05 22:52:06 +00:00
Devang Patel
b4c2bc2543 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128929 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-05 21:08:24 +00:00