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Fangrui Song ae0294375f [ELF] Default to --no-allow-shlib-undefined for executables 
Summary:
This follows the ld.bfd/gold behavior.

The error check is useful as it captures a common type of ld.so undefined symbol errors as link-time errors:

    // a.cc => a.so (not linked with -z defs)
    void f(); // f is undefined
    void g() { f(); }

    // b.cc => executable with a DT_NEEDED entry on a.so
    void g();
    int main() { g(); }

    // ld.so errors when g() is executed (lazy binding) or when the program is started (-z now)
    // symbol lookup error: ... undefined symbol: f

Reviewers: ruiu, grimar, pcc, espindola

Reviewed By: ruiu

Subscribers: llvm-commits, emaste, arichardson

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57569

llvm-svn: 352943
 		2019-02-02 00:34:28 +00:00
..
Arch [PPC64] Reland r351978 'Sort .toc sections accessed with small code model ...' 2019-01-24 18:17:40 +00:00
AArch64ErrataFix.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
AArch64ErrataFix.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Bits.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
CMakeLists.txt [LLD][ELF] - Support MSP430. 2019-01-10 13:43:06 +00:00
CallGraphSort.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
CallGraphSort.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Config.h [ELF] Support --{,no-}allow-shlib-undefined 2019-02-01 02:25:05 +00:00
DWARF.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DWARF.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Driver.cpp [ELF] Default to --no-allow-shlib-undefined for executables 2019-02-02 00:34:28 +00:00
Driver.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DriverUtils.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
EhFrame.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
EhFrame.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Filesystem.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Filesystem.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ICF.cpp COFF, ELF: ICF: Perform 2 rounds of relocation hash propagation. 2019-01-22 23:54:49 +00:00
ICF.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
InputFiles.cpp [ELF] Support --{,no-}allow-shlib-undefined 2019-02-01 02:25:05 +00:00
InputFiles.h [ELF] Support --{,no-}allow-shlib-undefined 2019-02-01 02:25:05 +00:00
InputSection.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
InputSection.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
LTO.cpp Fix names of functions in TargetOptionsCommandFlags.h. NFC. 2019-02-01 02:24:50 +00:00
LTO.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
LinkerScript.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
LinkerScript.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
MapFile.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
MapFile.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
MarkLive.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
MarkLive.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Options.td [ELF] Default to --no-allow-shlib-undefined for executables 2019-02-02 00:34:28 +00:00
OutputSections.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
OutputSections.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.md Update the documents of the new LLD. 2016-03-12 06:06:40 +00:00
Relocations.cpp [PPC64] Reland r351978 'Sort .toc sections accessed with small code model ...' 2019-01-24 18:17:40 +00:00
Relocations.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ScriptLexer.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ScriptLexer.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ScriptParser.cpp Recognize FreeBSD specific BFD names in OUTPUT_FORMAT 2019-01-30 06:31:52 +00:00
ScriptParser.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
SymbolTable.cpp [ELF] Support --{,no-}allow-shlib-undefined 2019-02-01 02:25:05 +00:00
SymbolTable.h [ELF] Support --{,no-}allow-shlib-undefined 2019-02-01 02:25:05 +00:00
Symbols.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Symbols.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
SyntheticSections.cpp ELF: Set sh_info on RelaIplt to point to the IgotPlt output section. 2019-01-28 19:29:41 +00:00
SyntheticSections.h Tentative fix for r351701 and gcc 6.2 build on ubuntu 2019-01-21 07:44:52 +00:00
Target.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Target.h [PPC64] Reland r351978 'Sort .toc sections accessed with small code model ...' 2019-01-24 18:17:40 +00:00
Thunks.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Thunks.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Writer.cpp [ELF] Support --{,no-}allow-shlib-undefined 2019-02-01 02:25:05 +00:00
Writer.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00

README.md

See docs/NewLLD.rst