Date: Fri, 28 Sep 2012 17:36:01 +0000 (UTC) From: Andreas Tobler <andreast@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r241036 - stable/9/sys/boot/common Message-ID: <201209281736.q8SHa1dv079956@svn.freebsd.org>
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Author: andreast Date: Fri Sep 28 17:36:00 2012 New Revision: 241036 URL: http://svn.freebsd.org/changeset/base/241036 Log: MFC r240782: Implement elfN(reloc) for powerpc. With this change the kernel is now able to resolve dependencies of modules at boot time and load additional modules when needed. Modified: stable/9/sys/boot/common/reloc_elf.c Modified: stable/9/sys/boot/common/reloc_elf.c ============================================================================== --- stable/9/sys/boot/common/reloc_elf.c Fri Sep 28 17:34:34 2012 (r241035) +++ stable/9/sys/boot/common/reloc_elf.c Fri Sep 28 17:36:00 2012 (r241036) @@ -193,6 +193,31 @@ __elfN(reloc)(struct elf_file *ef, symad } return (0); +#elif defined(__powerpc__) + Elf_Size w; + const Elf_Rela *rela; + + switch (reltype) { + case ELF_RELOC_RELA: + rela = reldata; + if (relbase + rela->r_offset >= dataaddr && + relbase + rela->r_offset < dataaddr + len) { + switch (ELF_R_TYPE(rela->r_info)) { + case R_PPC_RELATIVE: + w = relbase + rela->r_addend; + bcopy(&w, (u_char *)data + (relbase + + rela->r_offset - dataaddr), sizeof(w)); + break; + default: + printf("\nunhandled relocation type %u\n", + (u_int)ELF_R_TYPE(rela->r_info)); + return (EFTYPE); + } + } + break; + } + + return (0); #else return (EOPNOTSUPP); #endif
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