28 lines
689 B
C
28 lines
689 B
C
#include <stdint.h>
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uint64_t syscall(uint64_t num, uint64_t arg1, uint64_t arg2,
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uint64_t arg3, uint64_t arg4, uint64_t arg5, uint64_t arg6) {
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uint64_t ret = 0;
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asm volatile (
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"mov %[SYSNUM], %%rax\n"
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"mov %[ARG1], %%rdi\n"
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"mov %[ARG2], %%rsi\n"
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"mov %[ARG3], %%rdx\n"
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"mov %[ARG4], %%r10\n"
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"mov %[ARG5], %%r8\n"
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"mov %[ARG6], %%r9\n"
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"int $0x80\n"
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"mov %%rax, %[RESULT]\n"
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: [RESULT]"=r"(ret)
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: [SYSNUM]"r"(num),
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[ARG1]"r"(arg1),
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[ARG2]"r"(arg2),
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[ARG3]"r"(arg3),
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[ARG4]"r"(arg4),
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[ARG5]"r"(arg5),
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[ARG6]"r"(arg6)
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: "rax", "rdi", "rsi", "rdx", "r10", "r8", "r9", "memory"
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);
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return ret;
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}
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