root / lab4 / .minix-src / include / link_elf.h @ 14
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1 | 13 | up20180614 | /* $NetBSD: link_elf.h,v 1.10 2010/10/16 10:27:06 skrll Exp $ */
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2 | |||
3 | #ifndef _LINK_ELF_H_
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4 | #define _LINK_ELF_H_
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5 | |||
6 | #include <sys/types.h> |
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7 | #include <sys/exec_elf.h> |
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8 | |||
9 | typedef struct link_map { |
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10 | caddr_t l_addr; /* Base Address of library */
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11 | #ifdef __mips__
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12 | caddr_t l_offs; /* Load Offset of library */
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13 | #endif
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14 | const char *l_name; /* Absolute Path to Library */ |
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15 | void *l_ld; /* Pointer to .dynamic in memory */ |
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16 | struct link_map *l_next; /* linked list of of mapped libs */ |
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17 | struct link_map *l_prev;
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18 | } Link_map; |
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19 | |||
20 | /*
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21 | * This only exists for GDB.
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22 | */
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23 | struct r_debug {
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24 | int r_version; /* not used */ |
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25 | struct link_map *r_map; /* list of loaded images */ |
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26 | void (*r_brk)(void); /* pointer to break point */ |
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27 | enum {
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28 | RT_CONSISTENT, /* things are stable */
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29 | RT_ADD, /* adding a shared library */
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30 | RT_DELETE /* removing a shared library */
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31 | } r_state; |
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32 | }; |
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33 | |||
34 | struct dl_phdr_info
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35 | { |
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36 | Elf_Addr dlpi_addr; /* module relocation base */
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37 | const char *dlpi_name; /* module name */ |
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38 | const Elf_Phdr *dlpi_phdr; /* pointer to module's phdr */ |
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39 | Elf_Half dlpi_phnum; /* number of entries in phdr */
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40 | unsigned long long int dlpi_adds; /* total # of loads */ |
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41 | unsigned long long int dlpi_subs; /* total # of unloads */ |
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42 | size_t dlpi_tls_modid; |
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43 | void *dlpi_tls_data;
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44 | }; |
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45 | |||
46 | __BEGIN_DECLS |
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47 | |||
48 | int dl_iterate_phdr(int (*)(struct dl_phdr_info *, size_t, void *), |
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49 | void *);
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50 | |||
51 | __END_DECLS |
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52 | |||
53 | #endif /* _LINK_ELF_H_ */ |