| /* 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 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 |