https://sourceware.org/bugzilla/show_bug.cgi?id=28495
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Mark Wielaard <mark at klomp dot org> ---
commit 39f2c500542f69c2f1a13fd0ae4eaa5778d2ed8d
Author: Mark Wielaard <[email protected]>
Date: Sun Jul 23 23:14:31 2023 +0200
libelf, readelf, elflint: Add RELR support
Handle RELR as defined here:
https://groups.google.com/g/generic-abi/c/bX460iggiKg/m/YT2RrjpMAwAJ
Introduce new ELF_T_RELR Elf_Type and handle it for SHT_RELR. Check
various properties in elflint. Print RELR relocations in
readelf. Just the entries with -U. Just the addresses with -N. And
addresses plus symbol/offsets by default.
Also add a test to check that gelf.h works with the system elf.h.
* libebl/eblsectiontypename.c (ebl_section_type_name): Add RELR
to knownstype.
* libelf/elf32_updatenull.c (updatenull_wrlock): Handle
sh_entsize for SHT_RELR.
* libelf/gelf.h (GElf_Relr): New typedef for Elf64_Relr.
* libelf/gelf_fsize.c (__libelf_type_sizes): Add ELF_T_RELR.
* libelf/gelf_xlate.c (__elf_xfctstom): Likewise.
* libelf/gelf_xlate.h: Add RELR as FUNDAMENTAL.
* libelf/libelf.h (Elf_Type): Add ELF_T_RELR. Add RELR
defines/typedefs if undefined in system elf.h.
* libelf/libelfP.h: Define ELF32_FSZ_RELR and ELF64_FSZ_RELR.
* src/elflint.c (check_reloc_shdr): Check she_entsize for
ELF_T_RELR.
(check_relr): New function.
(check_dynamic): Handle DT_RELR.
(special_sections): Add SHT_RELR.
(check_sections): Call check_relr.
* src/readelf.c (print_relocs): Also accept a Dwfl_Module.
(handle_relocs_relr): New function.
(print_dwarf_addr): Make static and declare early.
(process_elf_file): Pass dwflmod to print_relocs.
(handle_dynamic): Handle DT_RELRSZ and DTRELRENT.
* system-elf-gelf-test.c: New test.
* Makefile.am (TESTS): Add system-elf-gelf-test.
(check_PROGRAMS): Likewise.
(system_elf_gelf_test_CPPFLAGS): New variable.
(system_elf_gelf_test_LDADD): Likewise.
https://sourceware.org/bugzilla/show_bug.cgi?id=28495
Signed-off-by: Mark Wielaard <[email protected]>
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