Rafael Espindola 7c4f3dcc5e Produce a single string table in a ELF .o ...

Normally an ELF .o has two string tables, one for symbols, one for section
names.

With the scheme of naming sections like ".text.foo" where foo is a symbol,
there is a big potential saving in using a single one.

Building llvm+clang+lld with master and with this patch the results were:

master:                          193,267,008 bytes
patch:                           186,107,952 bytes
master non unique section names: 183,260,192 bytes
patch non unique section names:  183,118,632 bytes

So using non usique saves 10,006,816 bytes, and the patch saves 7,159,056 while
still using distinct names for the sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238073 91177308-0d34-0410-b5e6-96231b3b80d8

2015-05-22 23:58:30 +00:00

..

ARM

Report error for non-zero data in .bss

2014-06-22 00:33:44 +00:00

abs.s

Teach llvm-readobj to print human friendly description of reserved sections.

2014-03-24 05:00:34 +00:00

alias-reloc.s

Teach llvm-readobj to print human friendly description of reserved sections.

2014-03-24 05:00:34 +00:00

alias-to-local.s

Don't walk aliases from global to local symbols in comdats.

2015-04-17 08:46:11 +00:00

alias.s

MC: For variable symbols, maintain MCSymbol::Section as a cache.

2015-04-03 01:46:11 +00:00

align-bss.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

align-nops.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

align-size.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

align-text.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

align.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

bad-expr2.s

Completely rewrite ELFObjectWriter::RecordRelocation.

2014-03-29 06:26:49 +00:00

bad-expr3.s

Completely rewrite ELFObjectWriter::RecordRelocation.

2014-03-29 06:26:49 +00:00

bad-expr.s

Forgot to add testcase for r198590

2014-01-21 20:39:11 +00:00

bad-relocation.s

MC asm parser: allow ?'s in symbol names, and handle @'s in names in MS asm

2013-10-18 20:46:28 +00:00

bad-section.s

Jörg Sonnenberger noticed that we were missing this test.

2011-01-24 19:40:38 +00:00

basic-elf-32.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

basic-elf-64.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

bracket-exprs.s

[MC] Use LShr for constant evaluation of ">>" on ELF/arm64--darwin.

2015-04-28 01:37:11 +00:00

bracket.s

Restore r125595 (reverted in r126336) with modifications:

2011-02-24 21:59:22 +00:00

bss-large.ll

Added the test missed from r185080.

2013-07-01 09:02:33 +00:00

bss.ll

…

call-abs.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

cfi-adjust-cfa-offset.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-advance-loc2.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-def-cfa-offset.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-def-cfa-register.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-def-cfa.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-escape.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-large-model.s

Use CIE version 1 for .eh_frame.

2015-04-27 22:04:24 +00:00

cfi-offset.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-reg.s

PR13754: llvm-mc/x86 crashes on .cfi directives without the % prefix for registers.

2012-09-07 14:51:35 +00:00

cfi-register.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-rel-offset2.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-rel-offset.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-remember.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-restore.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-same-value.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-sections.s

[DWARF] Add CIE header fields address_size and segment_size when generating dwarf-4

2015-05-12 15:25:08 +00:00

cfi-signal-frame.s

Use CIE version 1 for .eh_frame.

2015-04-27 22:04:24 +00:00

cfi-undefined.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-version.ll

[DWARF] Add CIE header fields address_size and segment_size when generating dwarf-4

2015-05-12 15:25:08 +00:00

cfi-window-save.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi-zero-addr-delta.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

cfi.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

comdat-dup-group-name.s

Write sections mostly in one pass.

2015-04-30 14:21:49 +00:00

comdat-reloc.s

Write sections mostly in one pass.

2015-04-30 14:21:49 +00:00

comdat.s

Write sections mostly in one pass.

2015-04-30 14:21:49 +00:00

common2.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

common-error1.s

Produce errors when an assignment expression would use a common symbol.

2015-01-19 17:30:24 +00:00

common-error2.s

Produce errors when an assignment expression would use a common symbol.

2015-01-19 17:30:24 +00:00

common.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

comp-dir.s

X86MCAsmInfoGNUCOFF: Set PointerSize as 8 for targeting x64. It caused DW_LNE_set_address was misemitted on x64.

2014-04-08 15:28:50 +00:00

compression.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

debug-line2.s

[MC/DWARF] Generate multiple .debug_line entries for adjacent .loc directives

2013-06-19 21:27:27 +00:00

debug-line.s

Write section and section table entries in the same order.

2015-04-15 13:07:47 +00:00

debug-loc.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

diff2.s

Add a MCObjectFormat class so that code common to all targets that use a

2010-10-16 18:23:53 +00:00

diff.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

discriminator.s

Support DWARF discriminators in object streamer.

2014-02-14 19:27:53 +00:00

dot-symbol-assignment.s

Add support for assigning to . in AsmParser.

2014-02-17 20:48:32 +00:00

elf_directive_previous.s

actually, move the elf tests into the existing elf dir.

2010-10-02 18:53:48 +00:00

elf_directive_section.s

actually, move the elf tests into the existing elf dir.

2010-10-02 18:53:48 +00:00

empty-dwarf-lines.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

empty.s

Produce a single string table in a ELF .o

2015-05-22 23:58:30 +00:00

entsize.ll

[opaque pointer type] Add textual IR support for explicit type parameter to gep operator

2015-03-13 18:20:45 +00:00

entsize.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

fde.s

Give this test an explicit triple.

2012-08-12 08:21:27 +00:00

file-double.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

file.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

gen-dwarf.s

Don't print labels that on ELF are never used.

2015-03-11 04:20:31 +00:00

global-offset.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

gnu-type-diagnostics.s

MC: make ELF .type handling more GNU AS compatible

2014-06-08 00:34:34 +00:00

gnu-type.s

MC: make ELF .type handling more GNU AS compatible

2014-06-08 00:34:34 +00:00

got.s

Change how we iterate over relocations on ELF.

2013-05-30 03:05:14 +00:00

ident.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

ifunc-reloc.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

invalid-symver.s

Produce an error for an invalid use of .symver.

2010-10-27 17:56:18 +00:00

lcomm.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

leb128.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

lit.local.cfg

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

local-reloc.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

many-sections-2.s

Write the section header string table directly to the output stream.

2015-04-29 20:25:24 +00:00

many-sections.s

Write the section header string table directly to the output stream.

2015-04-29 20:25:24 +00:00

merge.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

n_bytes.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

no-fixup.s

Rewrite a test to check actual output rather than intermediate implementation

2013-03-01 20:54:00 +00:00

no-reloc.s

Avoid revocations when possible.

2014-07-01 14:34:30 +00:00

nocompression.s

llvm/test/MC/ELF/nocompression.s: Loosen an expression to match "llvm-mc.EXE".

2014-03-30 14:04:00 +00:00

noexec.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

norelocation.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

offset.s

Add an option for evaluating past symbols.

2014-04-28 20:53:11 +00:00

org.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

pic-diff.s

ELFObjectWriter: deduplicate suffices in strtab

2014-04-30 16:25:02 +00:00

plt.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

pr9292.s

ELFObjectWriter: deduplicate suffices in strtab

2014-04-30 16:25:02 +00:00

pr19430.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

pr19582.s

MC: For variable symbols, maintain MCSymbol::Section as a cache.

2015-04-03 01:46:11 +00:00

relax-all-flag.s

Add a test for explicitly exercising the mc-relax-all flag.

2012-12-10 20:36:01 +00:00

relax-arith.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

relax-crash.s

Relax dwarf line fragments. This fixes a crash in the included testcase.

2010-11-07 02:07:12 +00:00

relax.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

reloc-same-name-section.s

Add a test that would have found the bug in r219829.

2014-10-17 01:34:23 +00:00

relocation-386.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

relocation-pc.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

relocation.s

Look past locals in comdats.

2015-04-20 12:44:06 +00:00

rename.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

section-quoting.s

Be nice to Xcore and the XMOS assembler and avoid quoting section names

2011-03-04 20:03:14 +00:00

section-sym2.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

section-sym-err.s

Add back commits r219835 and a fixed version of r219829.

2014-10-17 01:48:58 +00:00

section-sym.s

Write sections mostly in one pass.

2015-04-30 14:21:49 +00:00

section-unique-err1.s

Use a comma after the unique keyword.

2015-04-06 16:34:41 +00:00

section-unique-err2.s

Use a comma after the unique keyword.

2015-04-06 16:34:41 +00:00

section-unique-err3.s

Use a comma after the unique keyword.

2015-04-06 16:34:41 +00:00

section-unique-err4.s

Use a comma after the unique keyword.

2015-04-06 16:34:41 +00:00

section-unique.s

Write the section header string table directly to the output stream.

2015-04-29 20:25:24 +00:00

section.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

set.s

ELFObjectWriter: deduplicate suffices in strtab

2014-04-30 16:25:02 +00:00

size.s

Expand variables when evaluating absolute expressions.

2015-03-04 22:03:21 +00:00

sleb.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

strtab-suffix-opt.s

Produce a single string table in a ELF .o

2015-05-22 23:58:30 +00:00

subsection.s

Add support for subsections to the ELF assembler. Fixes PR8717.

2013-04-17 21:18:16 +00:00

subtraction-error.s

Produce an error instead of a crash in an expr we cannot represent.

2014-04-28 12:40:50 +00:00

symbol-names.s

MC asm parser: allow ?'s in symbol names, and handle @'s in names in MS asm

2013-10-18 20:46:28 +00:00

symver-msvc.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

symver.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

tls-i386.s

ELFObjectWriter: deduplicate suffices in strtab

2014-04-30 16:25:02 +00:00

tls.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

type-propagate.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

type.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

uleb.s

MC: Allow multiple comma-separated expressions on the .uleb128 directive.

2015-02-19 20:24:04 +00:00

undef2.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

undef.s

Don't include an invalid symbol in the symbol table.

2014-04-28 13:39:57 +00:00

version.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

weak-diff.s

Compute A-B when A or B is weak.

2015-04-17 21:15:17 +00:00

weak-relocation.s

Change how we iterate over relocations on ELF.

2013-05-30 03:05:14 +00:00

weak.s

Teach llvm-readobj to print human friendly description of reserved sections.

2014-03-24 05:00:34 +00:00

weakref-plt.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00

weakref-reloc.s

Relax these tests a bit.

2015-05-22 21:37:13 +00:00

weakref.s

Don't constrain the section order in tests that don't depend on it.

2015-04-29 13:55:07 +00:00

x86_64-reloc-sizetest.s

Change how we iterate over relocations on ELF.

2013-05-30 03:05:14 +00:00

zero.s

Replace coff-/elf-dump with llvm-readobj

2013-04-12 04:06:46 +00:00