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- /* libunwind - a platform-independent unwind library
- This file is part of libunwind.
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- #ifndef _UCD_internal_h
- #define _UCD_internal_h
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_PROCFS_H
- #include <sys/procfs.h> /* struct elf_prstatus */
- #endif
- #include <errno.h>
- #include <string.h>
- #include <limits.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <libunwind-coredump.h>
- #include "libunwind_i.h"
- #if SIZEOF_OFF_T == 4
- typedef uint32_t uoff_t;
- #elif SIZEOF_OFF_T == 8
- typedef uint64_t uoff_t;
- #else
- # error Unknown size of off_t!
- #endif
- /* Similar to ELF phdrs. p_paddr element is absent,
- * since it's always 0 in coredumps.
- */
- struct coredump_phdr
- {
- uint32_t p_type;
- uint32_t p_flags;
- uoff_t p_offset;
- uoff_t p_vaddr;
- uoff_t p_filesz;
- uoff_t p_memsz;
- uoff_t p_align;
- /* Data for backing file. If backing_fd < 0, there is no file */
- uoff_t backing_filesize;
- char *backing_filename; /* for error meesages only */
- int backing_fd;
- };
- typedef struct coredump_phdr coredump_phdr_t;
- #if defined(HAVE_STRUCT_ELF_PRSTATUS)
- #define PRSTATUS_STRUCT elf_prstatus
- #elif defined(HAVE_STRUCT_PRSTATUS)
- #define PRSTATUS_STRUCT prstatus
- #else
- #define PRSTATUS_STRUCT non_existent
- #endif
- struct UCD_info
- {
- int big_endian; /* bool */
- int coredump_fd;
- char *coredump_filename; /* for error meesages only */
- coredump_phdr_t *phdrs; /* array, allocated */
- unsigned phdrs_count;
- void *note_phdr; /* allocated or NULL */
- struct PRSTATUS_STRUCT *prstatus; /* points inside note_phdr */
- int n_threads;
- struct PRSTATUS_STRUCT **threads;
- struct elf_dyn_info edi;
- };
- extern coredump_phdr_t * _UCD_get_elf_image(struct UCD_info *ui, unw_word_t ip);
- #define ALIGN(x,a) (((x)+(a)-1UL)&~((a)-1UL))
- #define STRUCT_MEMBER_P(struct_p, struct_offset) ((void *) ((char*) (struct_p) + (long) (struct_offset)))
- #define STRUCT_MEMBER(member_type, struct_p, struct_offset) (*(member_type*) STRUCT_MEMBER_P ((struct_p), (struct_offset)))
- #endif
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