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| author | Cary Coutant <ccoutant@gmail.com> | 2016-12-27 20:50:47 -0800 |
|---|---|---|
| committer | Cary Coutant <ccoutant@gmail.com> | 2016-12-27 20:50:56 -0800 |
| commit | b733bcb7f58c42e0e0d94a3f266a4193030e5f3a (patch) | |
| tree | 3ad325d2805aecf4a3e943d47c33f88ca6a24bf6 /gold/copy-relocs.h | |
| parent | 7ff34266fd831f828286e556f9cd681c42c0412c (diff) | |
| download | gdb-b733bcb7f58c42e0e0d94a3f266a4193030e5f3a.zip gdb-b733bcb7f58c42e0e0d94a3f266a4193030e5f3a.tar.gz gdb-b733bcb7f58c42e0e0d94a3f266a4193030e5f3a.tar.bz2 | |
Place copy relocations in .dynbss when target is read-only.
gold/
PR ld/20995
* copy-relocs.cc (Copy_relocs::make_copy_reloc): Use .dynbss for
read-only data when linking with -z relro.
* copy-relocs.h (Copy_relocs::dynrelro_): New data member.
* testsuite/Makefile.am (copy_test_relro): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/copy_test_relro.cc: New source file.
* testsuite/copy_test_relro_1.cc: New source file.
Diffstat (limited to 'gold/copy-relocs.h')
| -rw-r--r-- | gold/copy-relocs.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gold/copy-relocs.h b/gold/copy-relocs.h index aa42c7c..92b2ceb 100644 --- a/gold/copy-relocs.h +++ b/gold/copy-relocs.h @@ -54,7 +54,8 @@ class Copy_relocs public: Copy_relocs(unsigned int copy_reloc_type) - : entries_(), copy_reloc_type_(copy_reloc_type), dynbss_(NULL) + : entries_(), copy_reloc_type_(copy_reloc_type), dynbss_(NULL), + dynrelro_(NULL) { } // This is called while scanning relocs if we see a relocation @@ -152,8 +153,11 @@ class Copy_relocs // The target specific relocation type of the COPY relocation. const unsigned int copy_reloc_type_; // The dynamic BSS data which goes into the .bss section. This is - // where variables which require COPY relocations are placed. + // where writable variables which require COPY relocations are placed. Output_data_space* dynbss_; + // The dynamic read-only data, which goes into the .dynbss section. This + // is where read-only variables which require COPY relocations are placed. + Output_data_space* dynrelro_; }; } // End namespace gold. |