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| author | D Scott Phillips <scottph@FreeBSD.org> | 2020-09-21 22:24:46 +0000 |
|---|---|---|
| committer | D Scott Phillips <scottph@FreeBSD.org> | 2020-09-21 22:24:46 +0000 |
| commit | 987eabdc2ae1c0beba77e4d3b538155e81c7a7d5 (patch) | |
| tree | 1694131ed36d07d1f050c12e8411ff1e50f8c9f8 /stand/common | |
| parent | de031846985c46cf6bbc709bbfa5dfa81541d2b6 (diff) | |
| download | src-987eabdc2ae1c0beba77e4d3b538155e81c7a7d5.tar.gz src-987eabdc2ae1c0beba77e4d3b538155e81c7a7d5.zip | |
stand/reloc_elf: Handle relative relocations for arm{,64} and riscv
Extend the powerpc relative relocation handling from r240782 to a
handful of other architectures. This is needed to properly read
dependency information from kernel modules.
Reviewed by: jhb
Approved by: scottl (implicit)
MFC after: 1 week
Sponsored by: Ampere Computing, Inc.
Differential Revision: https://reviews.freebsd.org/D26365
Notes
Notes:
svn path=/head/; revision=365982
Diffstat (limited to 'stand/common')
| -rw-r--r-- | stand/common/reloc_elf.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/stand/common/reloc_elf.c b/stand/common/reloc_elf.c index 8e15cd0152e5..f8417aeeb64a 100644 --- a/stand/common/reloc_elf.c +++ b/stand/common/reloc_elf.c @@ -175,7 +175,8 @@ __elfN(reloc)(struct elf_file *ef, symaddr_fn *symaddr, const void *reldata, } return (0); -#elif defined(__powerpc__) +#elif defined(__aarch64__) || defined(__arm__) || defined(__powerpc__) || \ + defined(__riscv) Elf_Size w; const Elf_Rela *rela; @@ -185,7 +186,15 @@ __elfN(reloc)(struct elf_file *ef, symaddr_fn *symaddr, const void *reldata, if (relbase + rela->r_offset >= dataaddr && relbase + rela->r_offset < dataaddr + len) { switch (ELF_R_TYPE(rela->r_info)) { +#if defined(__aarch64__) + case R_AARCH64_RELATIVE: +#elif defined(__arm__) + case R_ARM_RELATIVE: +#elif defined(__powerpc__) case R_PPC_RELATIVE: +#elif defined(__riscv) + case R_RISCV_RELATIVE: +#endif w = relbase + rela->r_addend; bcopy(&w, (u_char *)data + (relbase + rela->r_offset - dataaddr), sizeof(w)); |