Date: Fri, 21 Sep 2012 18:21:32 +0000 (UTC) From: Andreas Tobler <andreast@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r240782 - head/sys/boot/common Message-ID: <201209211821.q8LILWiD081478@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: andreast Date: Fri Sep 21 18:21:31 2012 New Revision: 240782 URL: http://svn.freebsd.org/changeset/base/240782 Log: 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. MFC after: 1 week Modified: head/sys/boot/common/reloc_elf.c Modified: head/sys/boot/common/reloc_elf.c ============================================================================== --- head/sys/boot/common/reloc_elf.c Fri Sep 21 13:42:30 2012 (r240781) +++ head/sys/boot/common/reloc_elf.c Fri Sep 21 18:21:31 2012 (r240782) @@ -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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201209211821.q8LILWiD081478>