diff options
author | Ryan Long <ryan.long@oarcorp.com> | 2022-08-08 09:23:48 -0500 |
---|---|---|
committer | Joel Sherrill <joel@rtems.org> | 2022-08-08 12:02:03 -0500 |
commit | 5500232a8989ecad90a44a1051896ad9b53d6732 (patch) | |
tree | c62165f069aceb06590954ac14a2d347966bf562 /cpukit/libdl/rtl-mdreloc-aarch64.c | |
parent | posix: Avoid dead code in clock_nanosleep() (diff) | |
download | rtems-5500232a8989ecad90a44a1051896ad9b53d6732.tar.bz2 |
libdl: Refactor shared code in ARM and AArch64
rtl-mdreloc-arm.c was used as the basis for rtl-mdreloc-aarch64.c. This lead
to some code being shared by the two files. The code was consolidated into
rtl-unwind-arm.c.
Closes #4686
Diffstat (limited to 'cpukit/libdl/rtl-mdreloc-aarch64.c')
-rw-r--r-- | cpukit/libdl/rtl-mdreloc-aarch64.c | 81 |
1 files changed, 1 insertions, 80 deletions
diff --git a/cpukit/libdl/rtl-mdreloc-aarch64.c b/cpukit/libdl/rtl-mdreloc-aarch64.c index 41147e285c..c60ecb31c9 100644 --- a/cpukit/libdl/rtl-mdreloc-aarch64.c +++ b/cpukit/libdl/rtl-mdreloc-aarch64.c @@ -73,16 +73,12 @@ __RCSID("$NetBSD: mdreloc.c,v 1.14 2020/06/16 21:01:30 joerg Exp $"); #include <inttypes.h> #include <sys/stat.h> #include <sys/endian.h> -#include <unwind.h> #include <rtems/rtl/rtl.h> #include "rtl-elf.h" #include "rtl-error.h" #include <rtems/rtl/rtl-trace.h> -#include "rtl-unwind.h" - -typedef unsigned _Unwind_Word __attribute__((__mode__(__word__))); -typedef _Unwind_Word _uw; +#include "rtl-unwind-arm.h" struct tls_data { size_t td_tlsindex; @@ -522,78 +518,3 @@ rtems_rtl_elf_relocate_rel (rtems_rtl_obj* obj, rtems_rtl_set_error (EINVAL, "rela type record not supported"); return rtems_rtl_elf_rel_failure; } - -bool -rtems_rtl_elf_unwind_parse (const rtems_rtl_obj* obj, - const char* name, - uint32_t flags) -{ - /* - * We location the EH sections in section flags. - */ - return false; -} - -bool -rtems_rtl_elf_unwind_register (rtems_rtl_obj* obj) -{ - return true; -} - -bool -rtems_rtl_elf_unwind_deregister (rtems_rtl_obj* obj) -{ - obj->loader = NULL; - return true; -} - -/* An exception index table entry. */ -typedef struct __EIT_entry -{ - _uw fnoffset; - _uw content; -} __EIT_entry; - -/* The exception index table location in the base module */ -extern __EIT_entry __exidx_start; -extern __EIT_entry __exidx_end; - -/* - * A weak reference is in libgcc, provide a real version and provide a way to - * manage loaded modules. - * - * Passed in the return address and a reference to the number of records - * found. We set the start of the exidx data and the number of records. - */ -_Unwind_Ptr __gnu_Unwind_Find_exidx (_Unwind_Ptr return_address, - int* nrec) __attribute__ ((__noinline__, - __used__, - __noclone__)); - -_Unwind_Ptr __gnu_Unwind_Find_exidx (_Unwind_Ptr return_address, - int* nrec) -{ - rtems_rtl_data* rtl; - rtems_chain_node* node; - __EIT_entry* exidx_start = &__exidx_start; - __EIT_entry* exidx_end = &__exidx_end; - - rtl = rtems_rtl_lock (); - - node = rtems_chain_first (&rtl->objects); - while (!rtems_chain_is_tail (&rtl->objects, node)) { - rtems_rtl_obj* obj = (rtems_rtl_obj*) node; - if (rtems_rtl_obj_text_inside (obj, (void*) return_address)) { - exidx_start = (__EIT_entry*) obj->eh_base; - exidx_end = (__EIT_entry*) (obj->eh_base + obj->eh_size); - break; - } - node = rtems_chain_next (node); - } - - rtems_rtl_unlock (); - - *nrec = exidx_end - exidx_start; - - return (_Unwind_Ptr) exidx_start; -} |