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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | pmbaty | 1 | #include "image.h" |
| 2 | #include "CORE/FW/loader.h" |
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| 3 | #include "CORE/FW/brlists.h" |
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| 4 | #include "CORE/FW/fwsetup.h" |
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| 5 | #include "CORE/FW/pattern.h" |
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| 6 | #include "CORE/FW/resource.h" |
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| 7 | #include "CORE/FW/scratch.h" |
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| 8 | #include "CORE/HOST/himage.h" |
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| 9 | #include "CORE/STD/brstdlib.h" |
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| 10 | #include "harness/trace.h" |
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| 11 | |||
| 12 | // IDA: br_boolean __cdecl BrImageAdd(br_image *img) |
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| 13 | /*br_boolean*/void BrImageAdd(br_image* img) { // Pierre-Marie Baty -- fixed type |
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| 14 | LOG_TRACE("(%p)", img); |
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| 15 | |||
| 16 | BrAddHead(&fw.images, &img->node); |
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| 17 | } |
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| 18 | |||
| 19 | // IDA: br_boolean __cdecl BrImageRemove(br_image *img) |
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| 20 | /*br_boolean*/void BrImageRemove(br_image* img) { // Pierre-Marie Baty -- fixed type |
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| 21 | LOG_TRACE("(%p)", img); |
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| 22 | |||
| 23 | BrRemove(&img->node); |
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| 24 | } |
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| 25 | |||
| 26 | // IDA: br_image* __cdecl BrImageFind(char *pattern) |
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| 27 | br_image* BrImageFind(char* pattern) { |
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| 28 | char* c; |
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| 29 | br_image* img; |
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| 30 | LOG_TRACE("(\"%s\")", pattern); |
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| 31 | |||
| 32 | c = BrStrRChr(pattern, '.'); |
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| 33 | if (c != NULL && (BrStrCmp(c, ".dll") == 0 || BrStrCmp(c, ".bdd") == 0|| BrStrCmp(c, "bed"))) { |
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| 34 | *c = '\0'; |
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| 35 | } |
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| 36 | for (img = (br_image*)fw.images.head; img->node.next != NULL; img = (br_image*)img->node.next) { |
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| 37 | if (BrNamePatternMatch(pattern, img->identifier) != 0) { |
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| 38 | return img; |
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| 39 | } |
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| 40 | } |
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| 41 | return NULL; |
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| 42 | } |
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| 43 | |||
| 44 | // IDA: br_image* __usercall imageLoadHost@<EAX>(char *name@<EAX>) |
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| 45 | br_image* imageLoadHost(char* name) { |
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| 46 | br_image* img; |
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| 47 | void* host_image; |
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| 48 | LOG_TRACE("(\"%s\")", name); |
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| 49 | NOT_IMPLEMENTED(); |
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| 50 | |||
| 51 | host_image = HostImageLoad(name); |
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| 52 | if (host_image != NULL) { |
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| 53 | img = BrResAllocate(NULL, sizeof(br_image), BR_MEMORY_IMAGE); |
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| 54 | img->identifier = BrResStrDup(img, name); |
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| 55 | img->type = 3; |
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| 56 | img->type_pointer = host_image; |
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| 57 | } |
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| 58 | return img; |
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| 59 | } |
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| 60 | |||
| 61 | // IDA: br_image* __cdecl BrImageReference(char *name) |
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| 62 | br_image* BrImageReference(char* name) { |
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| 63 | char* suffix; |
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| 64 | char* scratch; |
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| 65 | br_image* img; |
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| 66 | LOG_TRACE("(\"%s\")", name); |
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| 67 | |||
| 68 | scratch = BrScratchString(); |
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| 69 | img = BrImageFind(name); |
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| 70 | if (img != NULL) { |
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| 71 | img->ref_count++; |
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| 72 | return img; |
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| 73 | } |
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| 74 | for (suffix = name; *suffix != '\0' && *suffix != '.'; suffix++) { |
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| 75 | } |
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| 76 | if (*suffix == '\0') { |
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| 77 | if (img == NULL) { |
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| 78 | BrStrCpy(scratch, name); |
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| 79 | BrStrCat(scratch, ".BDD"); |
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| 80 | img = ImageLoad(name); |
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| 81 | } |
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| 82 | if (img == NULL) { |
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| 83 | img = imageLoadHost(scratch); |
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| 84 | } |
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| 85 | if (img == NULL) { |
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| 86 | BrStrCpy(scratch, name); |
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| 87 | BrStrCat(scratch, ".DLL"); |
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| 88 | img = ImageLoad(scratch); |
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| 89 | } |
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| 90 | } else if (BrStrCmp(suffix, ".bdd") == 0 || BrStrCmp(suffix, ".bed") == 0) { |
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| 91 | if (img == NULL) { |
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| 92 | img = ImageLoad(name); |
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| 93 | } |
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| 94 | if (img == NULL) { |
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| 95 | img = imageLoadHost(name); |
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| 96 | } |
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| 97 | } else { |
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| 98 | if (img == NULL) { |
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| 99 | img = imageLoadHost(name); |
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| 100 | } |
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| 101 | if (img == NULL) { |
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| 102 | img = ImageLoad(name); |
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| 103 | } |
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| 104 | } |
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| 105 | |||
| 106 | if (img != NULL) { |
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| 107 | BrResAdd(fw.res, img); |
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| 108 | BrAddHead(&fw.images, &img->node); |
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| 109 | } |
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| 110 | return img; |
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| 111 | } |
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| 112 | |||
| 113 | // IDA: void* __usercall imageLookupName@<EAX>(br_image *img@<EAX>, char *name@<EDX>, br_uint_32 hint@<EBX>) |
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| 114 | void* imageLookupName(br_image* img, char* name, br_uint_32 hint) { |
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| 115 | int c; |
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| 116 | int limit; |
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| 117 | int base; |
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| 118 | LOG_TRACE("(%p, \"%s\", %d)", img, name, hint); |
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| 119 | |||
| 120 | if (hint < img->n_names && BrStrCmp(name, img->names[hint]) == 0) { |
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| 121 | return img->functions[img->name_ordinals[hint]]; |
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| 122 | } |
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| 123 | base = 0; |
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| 124 | limit = img->n_names; |
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| 125 | while (1) { |
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| 126 | if (limit == 0) { |
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| 127 | return NULL; |
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| 128 | } |
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| 129 | c = BrStrCmp(name, img->names[base + limit / 2]); |
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| 130 | if (c == 0) { |
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| 131 | return img->functions[img->name_ordinals[base + limit / 2]]; |
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| 132 | } else if (c < 0) { |
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| 133 | continue; |
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| 134 | } else { |
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| 135 | base += limit / 2 + 1; |
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| 136 | limit = limit - (limit / 2 + 1); |
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| 137 | } |
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| 138 | } |
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| 139 | } |
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| 140 | |||
| 141 | // IDA: void* __cdecl BrImageLookupName(br_image *img, char *name, br_uint_32 hint) |
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| 142 | void* BrImageLookupName(br_image* img, char* name, br_uint_32 hint) { |
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| 143 | char* scratch; |
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| 144 | void* p; |
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| 145 | LOG_TRACE("(%p, \"%s\", %d)", img, name, hint); |
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| 146 | |||
| 147 | scratch = BrScratchString(); |
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| 148 | if (img->type == 3) { |
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| 149 | return HostImageLookupName(img->type_pointer, name, hint); |
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| 150 | } |
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| 151 | p = imageLookupName(img, name, hint); |
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| 152 | if (p != NULL) { |
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| 153 | return p; |
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| 154 | } |
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| 155 | if (*name == '_') { |
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| 156 | p = imageLookupName(img, &name[1], hint); |
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| 157 | if (p != NULL) { |
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| 158 | return p; |
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| 159 | } |
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| 160 | } |
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| 161 | *scratch = '_'; |
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| 162 | BrStrCpy(&scratch[1], name); |
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| 163 | return imageLookupName(img, scratch, hint); |
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| 164 | } |
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| 165 | |||
| 166 | // IDA: void* __cdecl BrImageLookupOrdinal(br_image *img, br_uint_32 ordinal) |
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| 167 | void* BrImageLookupOrdinal(br_image* img, br_uint_32 ordinal) { |
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| 168 | LOG_TRACE("(%p, %d)", img, ordinal); |
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| 169 | |||
| 170 | if (img->type == 3) { |
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| 171 | return HostImageLookupOrdinal(img->type_pointer, ordinal); |
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| 172 | } |
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| 173 | if (img->n_functions < (ordinal - img->ordinal_base)) { |
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| 174 | return NULL; |
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| 175 | } |
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| 176 | return img->functions[ordinal - img->ordinal_base]; |
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| 177 | } |
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| 178 | |||
| 179 | // IDA: void __cdecl BrImageDereference(br_image *image) |
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| 180 | void BrImageDereference(br_image* image) { |
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| 181 | LOG_TRACE("(%p)", image); |
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| 182 | |||
| 183 | image->ref_count--; |
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| 184 | |||
| 185 | if (image->ref_count <= 0) { |
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| 186 | switch (image->type) { |
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| 187 | case 2: |
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| 188 | break; |
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| 189 | case 3: |
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| 190 | HostImageUnload(image->type_pointer); |
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| 191 | // fall through |
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| 192 | default: |
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| 193 | BrRemove(&image->node); |
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| 194 | BrResFree(image); |
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| 195 | } |
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| 196 | |||
| 197 | } |
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| 198 | } |
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| 199 | |||
| 200 | // IDA: void __cdecl BrImageFree(br_image *image) |
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| 201 | void BrImageFree(br_image* image) { |
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| 202 | int i; |
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| 203 | LOG_TRACE("(%p)", image); |
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| 204 | |||
| 205 | for (i = 0; i < image->n_imports; i++) { |
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| 206 | BrImageDereference(image->imports[i]); |
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| 207 | } |
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| 208 | } |
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| 209 | |||
| 210 | // IDA: void __cdecl _BrImageFree(void *res, br_uint_8 res_class, br_size_t size) |
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| 211 | void _BrImageFree(void* res, br_uint_8 res_class, br_size_t size) { |
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| 212 | LOG_TRACE("(%p, %d, %d)", res, res_class, size); |
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| 213 | |||
| 214 | BrImageFree(res); |
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| 215 | } |