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5 Commits

Author SHA1 Message Date
Fangrui Song 55e69ece72 [ELF] Remove -Wl,-z,notext hint 
The hint does not pull its weight:

* adding -Wl,-z,notext often won't work (relocation types other than `symbolRel`, e.g. `R_AARCH64_LDST32_ABS_LO12_NC`)
* for pure (no assembly) C/C++ projects, the "-fPIC" hint is sufficient
 2021-10-31 12:10:43 -07:00
Fangrui Song 72ffc14e13 [ELF][test] Delete unneeded binding directive (.weak or .globl) 
Future MC may error for a changed symbol binding.
This may be a preferred resolution to https://bugs.llvm.org/show_bug.cgi?id=38921

See https://sourceware.org/pipermail/binutils/2020-March/110399.html
 2020-03-25 23:34:46 -07:00
Fangrui Song 81cebfd008 [ELF][test] Change -o %t to -o /dev/null if the output is not needed 2020-02-12 21:54:50 -08:00
Rafael Espindola 9cded98ad6 Mention symbol name in error message. 
llvm-svn: 321769
 2018-01-03 22:55:46 +00:00
George Rimar a0ab8d7a58 [ELF] - Allow relocation to a weak undefined symbol when -z notext is given. 
Previously we failed to resolve them when produced executables:
"relocation R_X86_64_32 cannot be used against shared object; recompile with -fPIC"

Patch fixes it so that we resolve them to 0 for executables. 
And for -shared case we still should produce the relocation.

This finishes fixing PR35720.

DIfferential revision: https://reviews.llvm.org/D41551

llvm-svn: 321473
 2017-12-27 07:29:55 +00:00