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Hardcode type of main() #75

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Merged
AngheloAlf merged 1 commit into from
Feb 25, 2025
Merged

Hardcode type of main() #75

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22 changes: 9 additions & 13 deletions recomp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1885,6 +1885,14 @@ void pass6(void) {
uint32_t addr = it.first;
Function& f = it.second;

// Hardcode type of main to avoid relying on analyzing __start
if (addr == main_addr) {
f.nargs = 2;
f.nret = 1;
f.v0_in = false;
continue;
}

for (uint32_t ret : f.returns) {
Insn& i = insns[addr_to_i(ret)];

Expand Down Expand Up @@ -3342,19 +3350,7 @@ void dump_c(void) {

// printf("gp = 0x%x;\n", gp_value); // only to recreate the outcome when ugen reads uninitialized stack memory

printf("int ret = f_main(mem, 0x%x", stack_bottom);

Function& main_func = functions.at(main_addr);

if (main_func.nargs >= 1) {
printf(", argc");
}

if (main_func.nargs >= 2) {
printf(", arg_addr");
}

printf(");\n");
printf("int ret = f_main(mem, 0x%x, argc, arg_addr);\n", stack_bottom);

if (TRACE) {
printf("end: fprintf(stderr, \"cnt: %%llu\\n\", cnt);\n");
Expand Down
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