dranke/uw8-wasm3
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link exported platform functions, only trampoline is unimplemented

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This commit is contained in:
Dennis Ranke
2023-03-30 00:03:28 +02:00
parent dd974288c4
commit c01bd8dd3a
1 changed files with 48 additions and 3 deletions
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51
main.c
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@@ -46,7 +46,7 @@ m3ApiRawFunction(nopFunc) {
m3ApiSuccess();
}
void linkSystemFunctions(IM3Module mod) {
void linkSystemFunctions(IM3Runtime runtime, IM3Module mod) {
m3_LinkRawFunctionEx(mod, "env", "acos", "f(f)", math1, acosf);
m3_LinkRawFunctionEx(mod, "env", "asin", "f(f)", math1, asinf);
m3_LinkRawFunctionEx(mod, "env", "atan", "f(f)", math1, atanf);
@@ -67,6 +67,46 @@ void linkSystemFunctions(IM3Module mod) {
}
}
m3ApiRawFunction(platformTrampoline) {
fprintf(stderr, "Trampoline not yet implemented\n");
m3ApiSuccess();
}
void appendType(char* signature, M3ValueType type) {
if(type == c_m3Type_i32) {
strcat(signature, "i");
} else if(type == c_m3Type_i64) {
strcat(signature, "l");
} else if(type == c_m3Type_f32) {
strcat(signature, "f");
} else {
fprintf(stderr, "Unsupported platform type %d\n", type);
exit(1);
}
}
void linkPlatformFunctions(IM3Runtime runtime, IM3Module cartMod, IM3Module platformMod) {
for(u32 functionIndex = 0; functionIndex < platformMod->numFunctions; ++functionIndex) {
M3Function function = platformMod->functions[functionIndex];
if(function.export_name != NULL) {
IM3Function iFunc;
verifyM3(runtime, m3_FindFunction(&iFunc, runtime, function.export_name));
char signature[128] = { 0 };
if(m3_GetRetCount(iFunc) > 0) {
appendType(signature, m3_GetRetType(iFunc, 0));
} else {
strcat(signature, "v");
}
strcat(signature, "(");
for(uint32_t i = 0; i < m3_GetArgCount(iFunc); ++i) {
appendType(signature, m3_GetArgType(iFunc, i));
}
strcat(signature, ")");
m3_LinkRawFunctionEx(cartMod, "env", function.export_name, signature, platformTrampoline, iFunc);
}
}
}
void* loadUw8(uint32_t* sizeOut, IM3Runtime runtime, IM3Function loadFunc, uint8_t* memory, const char* filename) {
size_t uw8Size;
void* uw8 = loadFile(&uw8Size, filename);
@@ -110,7 +150,7 @@ int main() {
verifyM3(runtime, m3_ParseModule(env, &platformMod, platformWasm, platformSize));
platformMod->memoryImported = true;
verifyM3(runtime, m3_LoadModule(runtime, platformMod));
linkSystemFunctions(platformMod);
linkSystemFunctions(runtime, platformMod);
verifyM3(runtime, m3_CompileModule(platformMod));
verifyM3(runtime, m3_RunStart(platformMod));
@@ -118,9 +158,14 @@ int main() {
verifyM3(runtime, m3_ParseModule(env, &cartMod, cartWasm, cartSize));
platformMod->memoryImported = true;
verifyM3(runtime, m3_LoadModule(runtime, cartMod));
linkSystemFunctions(cartMod);
linkSystemFunctions(runtime, cartMod);
linkPlatformFunctions(runtime, cartMod, platformMod);
verifyM3(runtime, m3_CompileModule(cartMod));
verifyM3(runtime, m3_RunStart(cartMod));
IM3Function updFunc;
verifyM3(runtime, m3_FindFunction(&updFunc, runtime, "upd"));
verifyM3(runtime, m3_CallV(updFunc));
return 0;
}