mirror of https://github.com/zeldaret/tp.git
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
#include "Runtime.PPCEABI.H/__va_arg.h"
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#undef __va_arg
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/* 80361B14-80361BDC 35C454 00C8+00 0/0 3/3 0/0 .text __va_arg */
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void* __va_arg(_va_list_struct* list, int type) {
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char* addr;
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char* reg = &(list->gpr);
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int g_reg = list->gpr;
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int maxsize = 8;
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int size = 4;
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int increment = 1;
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int even = 0;
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int fpr_offset = 0;
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int regsize = 4;
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if (type == 3) {
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reg = &(list->fpr);
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g_reg = list->fpr;
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size = 8;
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fpr_offset = 32;
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regsize = 8;
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}
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if (type == 2) {
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size = 8;
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maxsize--;
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if (g_reg & 1) {
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even = 1;
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}
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increment = 2;
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}
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if (g_reg < maxsize) {
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g_reg += even;
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addr = list->reg_save_area + fpr_offset + (g_reg * regsize);
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*reg = g_reg + increment;
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} else {
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*reg = 8;
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addr = list->input_arg_area;
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addr = (char*)(((u32)(addr) + ((size)-1)) & ~((size)-1));
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list->input_arg_area = addr + size;
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}
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if (type == 0) {
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addr = *((char**)addr);
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}
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return addr;
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}
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