1 | /* $NetBSD: link_elf.h,v 1.8 2009/11/04 19:28:03 pooka Exp $ */ |
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2 | |
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3 | /* |
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4 | * This only exists for GDB. |
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5 | */ |
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6 | |
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7 | #ifndef _LINK_ELF_H_ |
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8 | #define _LINK_ELF_H_ |
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9 | |
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10 | #include <sys/types.h> |
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11 | |
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12 | #include <machine/elf_machdep.h> |
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13 | #include <stdint.h> |
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14 | #include <rtems/rtl/rtl-obj-fwd.h> |
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15 | |
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16 | enum sections |
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17 | { |
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18 | rap_text = 0, |
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19 | rap_const = 1, |
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20 | rap_ctor = 2, |
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21 | rap_dtor = 3, |
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22 | rap_data = 4, |
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23 | rap_bss = 5, |
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24 | rap_secs = 6 |
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25 | }; |
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26 | |
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27 | /** |
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28 | * Object details. |
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29 | */ |
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30 | typedef struct |
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31 | { |
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32 | const char* name; /**< Section name. */ |
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33 | uint32_t offset; /**< The offset in the elf file. */ |
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34 | uint32_t size; /**< The size of the section. */ |
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35 | uint32_t rap_id; /**< Which obj does this section belongs to. */ |
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36 | }section_detail; |
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37 | |
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38 | /** |
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39 | * link map structure will be used for GDB support. |
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40 | */ |
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41 | struct link_map { |
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42 | const char* name; /**< Name of the obj. */ |
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43 | uint32_t sec_num; /**< The count of section. */ |
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44 | section_detail* sec_detail; /**< The section details. */ |
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45 | uint32_t* sec_addr[rap_secs]; /**< The RAP section addr. */ |
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46 | uint32_t rpathlen; /**< The length of the path. */ |
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47 | char* rpath; /**< The path of object files. */ |
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48 | struct link_map* l_next; /**< Linked list of mapped libs. */ |
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49 | struct link_map* l_prev; |
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50 | }; |
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51 | |
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52 | /** |
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53 | * r_debug is used to manage the debug related structures. |
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54 | */ |
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55 | struct r_debug { |
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56 | int r_version; /* not used */ |
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57 | struct link_map *r_map; /* list of loaded images */ |
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58 | enum { |
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59 | RT_CONSISTENT, /* things are stable */ |
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60 | RT_ADD, /* adding a shared library */ |
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61 | RT_DELETE /* removing a shared library */ |
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62 | } r_state; |
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63 | }; |
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64 | |
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65 | /* |
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66 | * stub function. It is empty. |
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67 | */ |
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68 | void _rtld_debug_state (void); |
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69 | |
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70 | /* |
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71 | * add link map to the list. |
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72 | */ |
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73 | int _rtld_linkmap_add (rtems_rtl_obj* obj); |
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74 | |
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75 | /* |
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76 | * Remove link map from the list. |
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77 | */ |
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78 | void _rtld_linkmap_delete (rtems_rtl_obj* obj); |
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79 | #endif /* _LINK_ELF_H_ */ |
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