diff options
Diffstat (limited to 'cpukit/libdl/rtl-mdreloc-powerpc.c')
| -rw-r--r-- | cpukit/libdl/rtl-mdreloc-powerpc.c | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/cpukit/libdl/rtl-mdreloc-powerpc.c b/cpukit/libdl/rtl-mdreloc-powerpc.c index 48ecee58e5..09c2ab1512 100644 --- a/cpukit/libdl/rtl-mdreloc-powerpc.c +++ b/cpukit/libdl/rtl-mdreloc-powerpc.c @@ -1,3 +1,38 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup + * + * @brief + */ + +/* + * Copyright (C) 2014 Chris Johns <chrisj@rtems.org>. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + /* * Taken from NetBSD and stripped of the relocations not needed on RTEMS. */ @@ -172,6 +207,12 @@ rtems_rtl_elf_rel_resolve_sym (Elf_Word type) return true; } +uint32_t rtems_rtl_obj_tramp_alignment (const rtems_rtl_obj* obj) +{ + (void) obj; + return sizeof(uint32_t); +} + size_t rtems_rtl_elf_relocate_tramp_max_size (void) { @@ -313,37 +354,47 @@ rtems_rtl_elf_reloc_rela (rtems_rtl_obj* obj, break; case R_TYPE(16_HA): + case R_TYPE(TPREL16_HA): /* * value:6; Field:half16; Expression: #ha(S+A) + * value:72; Field:half16; Expression: #ha(S+A) */ if (!parsing) { tmp = symvalue + rela->r_addend; *(uint16_t *)where = (((tmp >> 16) + ((tmp & 0x8000) ? 1: 0)) & 0xffff); if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) - printf ("rtl: 16_HA %p @ %p in %s\n", + printf ("rtl: %s16_HA %p @ %p in %s\n", + ELF_R_TYPE(rela->r_info) == R_TYPE(TPREL16_HA) ? "TPREL" : "", (void *)*(where), where, rtems_rtl_obj_oname (obj)); } break; case R_TYPE(16_HI): + case R_TYPE(TPREL16_HI): /* * value:5; Field:half16; Expression: #hi(S+A) + * value:71; Field:half16; Expression: #hi(S+A) */ if (!parsing) { *(uint16_t *)where = ((symvalue + rela->r_addend) >> 16) & 0xffff; if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) - printf ("rtl: 16_HI %p @ %p in %s\n", + printf ("rtl: %s16_HI %p @ %p in %s\n", + ELF_R_TYPE(rela->r_info) == R_TYPE(TPREL16_HI) ? "TPREL" : "", (void *)*where, where, rtems_rtl_obj_oname (obj)); } break; + case R_TYPE(16_LO): + case R_TYPE(TPREL16_LO): /* * value:4; Field:half16; Expression: #lo(S+A) + * value:71; Field:half16; Expression: #lo(S+A) */ if (!parsing) { *(uint16_t *)where = (symvalue + (rela->r_addend)) & 0xffff; if (rtems_rtl_trace (RTEMS_RTL_TRACE_RELOC)) - printf ("rtl: 16_LO %p @ %p in %s\n", + printf ("rtl: %s16_LO %p @ %p in %s\n", + ELF_R_TYPE(rela->r_info) == R_TYPE(TPREL16_LO) ? "TPREL" : "", (void *)*where, where, rtems_rtl_obj_oname (obj)); } break; @@ -449,7 +500,7 @@ rtems_rtl_elf_reloc_rela (rtems_rtl_obj* obj, (void *)rela->r_offset, (void *)*where); rtems_rtl_set_error (EINVAL, "%s: Unsupported relocation type %" PRId32 - "in non-PLT relocations", + " in non-PLT relocations", sect->name, (uint32_t) ELF_R_TYPE(rela->r_info)); return rtems_rtl_elf_rel_failure; } |