1 line
4.0 KiB
JSON
1 line
4.0 KiB
JSON
{"def":{"name":"decode","type":0,"mode":1,"srctype":"Clang-C","imports":{"env":{"memory":{}}},"exports":{},"compile":{"switches":["-Wl,-z,stack-size=0","-Wl,--stack-first"]},"code":"\n typedef struct {\n unsigned int wp;\n unsigned int sp;\n unsigned int dp;\n unsigned int e_size;\n unsigned int b_size;\n unsigned int dummy[3];\n unsigned char data[0];\n } State;\n\n unsigned int *D0 = (unsigned int *) 1024;\n unsigned int *D1 = (unsigned int *) 2048;\n unsigned int *D2 = (unsigned int *) 3072;\n unsigned int *D3 = (unsigned int *) 4096;\n State *state = (State *) 5120;\n\n __attribute__((noinline)) int dec() {\n unsigned int nsp = (state->wp - 1) & ~3;\n unsigned char *src = state->data + state->sp;\n unsigned char *end = state->data + nsp;\n unsigned char *dst = state->data + state->dp;\n unsigned int accu;\n\n while (src < end) {\n if ((accu = D0[src[0]] | D1[src[1]] | D2[src[2]] | D3[src[3]]) >> 24) return 1;\n *((unsigned int *) dst) = accu;\n dst += 3;\n src += 4;\n }\n state->sp = nsp;\n state->dp = dst - state->data;\n return 0;\n }\n\n int end() {\n int rem = state->wp - state->sp;\n if (rem > 4 && dec()) return 1;\n rem = state->wp - state->sp;\n if (rem < 2) return 1;\n\n unsigned char *src = state->data + state->sp;\n unsigned int accu = D0[src[0]] | D1[src[1]];\n int dp = 1;\n if (rem > 2 && src[2] != 61) {\n accu |= D2[src[2]];\n dp++;\n }\n if (rem == 4 && src[3] != 61) {\n accu |= D3[src[3]];\n dp++;\n }\n if (accu >> 24) return 1;\n *((unsigned int *) (state->data + state->dp)) = accu;\n state->dp += dp;\n return state->dp != state->b_size;\n }\n "},"memorySettings":{"descriptor":{"initial":1,"shared":false},"mode":"imported"},"srcDef":"{\n name: 'decode',\n type: 0 /* OutputType.INSTANCE */,\n mode: 1 /* OutputMode.SYNC */,\n srctype: 'Clang-C',\n imports: {\n env: { memory: new WebAssembly.Memory({ initial: 1 }) }\n },\n exports: {\n dec: () => 0,\n end: () => 0\n },\n compile: {\n switches: ['-Wl,-z,stack-size=0', '-Wl,--stack-first']\n },\n code: `\n typedef struct {\n unsigned int wp;\n unsigned int sp;\n unsigned int dp;\n unsigned int e_size;\n unsigned int b_size;\n unsigned int dummy[3];\n unsigned char data[0];\n } State;\n\n unsigned int *D0 = (unsigned int *) ${256 /* P32.D0 */ * 4};\n unsigned int *D1 = (unsigned int *) ${512 /* P32.D1 */ * 4};\n unsigned int *D2 = (unsigned int *) ${768 /* P32.D2 */ * 4};\n unsigned int *D3 = (unsigned int *) ${1024 /* P32.D3 */ * 4};\n State *state = (State *) ${1280 /* P32.STATE */ * 4};\n\n __attribute__((noinline)) int dec() {\n unsigned int nsp = (state->wp - 1) & ~3;\n unsigned char *src = state->data + state->sp;\n unsigned char *end = state->data + nsp;\n unsigned char *dst = state->data + state->dp;\n unsigned int accu;\n\n while (src < end) {\n if ((accu = D0[src[0]] | D1[src[1]] | D2[src[2]] | D3[src[3]]) >> 24) return 1;\n *((unsigned int *) dst) = accu;\n dst += 3;\n src += 4;\n }\n state->sp = nsp;\n state->dp = dst - state->data;\n return 0;\n }\n\n int end() {\n int rem = state->wp - state->sp;\n if (rem > 4 && dec()) return 1;\n rem = state->wp - state->sp;\n if (rem < 2) return 1;\n\n unsigned char *src = state->data + state->sp;\n unsigned int accu = D0[src[0]] | D1[src[1]];\n int dp = 1;\n if (rem > 2 && src[2] != 61) {\n accu |= D2[src[2]];\n dp++;\n }\n if (rem == 4 && src[3] != 61) {\n accu |= D3[src[3]];\n dp++;\n }\n if (accu >> 24) return 1;\n *((unsigned int *) (state->data + state->dp)) = accu;\n state->dp += dp;\n return state->dp != state->b_size;\n }\n `\n}","hash":""} |