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Feat: replaced AT&T assembly syntax with intel #17

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6 changes: 4 additions & 2 deletions Makefile
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
FLAGS="-masm=intel"

build/counter: examples/counter.c coroutine.h build/coroutine.a
gcc -I. -Wall -Wextra -ggdb -o build/counter examples/counter.c build/coroutine.a

Expand All @@ -21,11 +23,11 @@ build/lexer: examples/lexer.c coroutine.h build/coroutine.a

build/coroutine.so: coroutine.c
mkdir -p build
gcc -Wall -Wextra -ggdb -shared -fPIC -o build/coroutine.so coroutine.c
gcc $(FLAGS) -Wall -Wextra -ggdb -shared -fPIC -o build/coroutine.so coroutine.c

build/coroutine.a: build/coroutine.o
ar -rcs build/coroutine.a build/coroutine.o

build/coroutine.o: coroutine.c coroutine.h
mkdir -p build
gcc -Wall -Wextra -ggdb -c -o build/coroutine.o coroutine.c
gcc $(FLAGS) -Wall -Wextra -ggdb -c -o build/coroutine.o coroutine.c
74 changes: 37 additions & 37 deletions coroutine.c
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Original file line number Diff line number Diff line change
Expand Up @@ -89,15 +89,15 @@ void __attribute__((naked)) coroutine_yield(void)
{
// @arch
asm(
" pushq %rdi\n"
" pushq %rbp\n"
" pushq %rbx\n"
" pushq %r12\n"
" pushq %r13\n"
" pushq %r14\n"
" pushq %r15\n"
" movq %rsp, %rdi\n" // rsp
" movq $0, %rsi\n" // sm = SM_NONE
" push rdi\n"
" push rbp\n"
" push rbx\n"
" push r12\n"
" push r13\n"
" push r14\n"
" push r15\n"
" mov rdi, rsp\n" // rsp
" mov rsi, 0\n" // sm = SM_NONE
" jmp coroutine_switch_context\n");
}

Expand All @@ -106,16 +106,16 @@ void __attribute__((naked)) coroutine_sleep_read(int fd)
(void) fd;
// @arch
asm(
" pushq %rdi\n"
" pushq %rbp\n"
" pushq %rbx\n"
" pushq %r12\n"
" pushq %r13\n"
" pushq %r14\n"
" pushq %r15\n"
" movq %rdi, %rdx\n" // fd
" movq %rsp, %rdi\n" // rsp
" movq $1, %rsi\n" // sm = SM_READ
" push rdi\n"
" push rbp\n"
" push rbx\n"
" push r12\n"
" push r13\n"
" push r14\n"
" push r15\n"
" mov rdx, rdi\n" // fd
" mov rdi, rsp\n" // rsp
" mov rsi, 1\n" // sm = SM_READ
" jmp coroutine_switch_context\n");
}

Expand All @@ -124,16 +124,16 @@ void __attribute__((naked)) coroutine_sleep_write(int fd)
(void) fd;
// @arch
asm(
" pushq %rdi\n"
" pushq %rbp\n"
" pushq %rbx\n"
" pushq %r12\n"
" pushq %r13\n"
" pushq %r14\n"
" pushq %r15\n"
" movq %rdi, %rdx\n" // fd
" movq %rsp, %rdi\n" // rsp
" movq $2, %rsi\n" // sm = SM_WRITE
" push rdi\n"
" push rbp\n"
" push rbx\n"
" push r12\n"
" push r13\n"
" push r14\n"
" push r15\n"
" mov rdx, rdi\n" // fd
" mov rdi, rsp\n" // rsp
" mov rsi, 2\n" // sm = SM_WRITE
" jmp coroutine_switch_context\n");
}

Expand All @@ -142,14 +142,14 @@ void __attribute__((naked)) coroutine_restore_context(void *rsp)
// @arch
(void)rsp;
asm(
" movq %rdi, %rsp\n"
" popq %r15\n"
" popq %r14\n"
" popq %r13\n"
" popq %r12\n"
" popq %rbx\n"
" popq %rbp\n"
" popq %rdi\n"
" mov rsp, rdi\n"
" pop r15\n"
" pop r14\n"
" pop r13\n"
" pop r12\n"
" pop rbx\n"
" pop rbp\n"
" pop rdi\n"
" ret\n");
}

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