asm2: example

.gitignore

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+*.out
+*.o

asm2/example_c_asm_and_coproc/compile.sh

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+nasm sum.asm -f elf && gcc main.c sum.o -m32

asm2/example_c_asm_and_coproc/main.c

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+/*
+Copyright 2020 KoroLion (github.com/KoroLion)
+*/
+
+#include <stdio.h>
+
+float sum(float a, float b);
+
+int main() {
+    float a, b;
+    scanf("%f %f", &a, &b);
+
+    float c = sum(a, b);
+
+    printf("%f\n", c);
+
+    return 0;
+}

asm2/example_c_asm_and_coproc/sum.asm

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+; Copyright 2020 KoroLion (github.com/KoroLion)
+
+global sum
+
+section .data
+section .bss
+    temp: resb 4
+
+section .text
+
+; sum(x, y)
+sum:
+    finit
+    fld dword [esp + 4]  ; = x
+    fadd dword [esp + 8] ; += y
+    fst dword [temp] ; [temp] = st0
+
+    mov eax, [temp]
+    ret