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Implement proc_map () and proc_unmap () syscalls
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Kamil Kowalczyk
2026-01-06 23:32:11 +01:00
parent 9f107a1a5e
commit 28aef30f77
15 changed files with 155 additions and 18 deletions
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19
libmsl/amd64/syscall.c
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@@ -5,18 +5,13 @@
int msl_amd64_syscall (int syscall_num, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4,
uintptr_t a5, uintptr_t a6) {
uint64_t result;
__asm__ volatile ("movq %1, %%rax\n"
"movq %2, %%rdi\n"
"movq %3, %%rsi\n"
"movq %4, %%rdx\n"
"movq %5, %%r10\n"
"movq %6, %%r8\n"
"movq %7, %%r9\n"
__asm__ volatile ("movq %[a4], %%r10\n"
"movq %[a5], %%r8\n"
"movq %[a6], %%r9\n"
"syscall\n"
"movq %%rax, %0\n"
: "=r"(result)
: "r"((uint64_t)syscall_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5),
"r"(a6)
: "memory", "cc", "rcx", "r11");
: "=a"(result)
: "a"(syscall_num), "D"(a1), "S"(a2),
"d"(a3), [a4] "r"(a4), [a5] "r"(a5), [a6] "r"(a6)
: "r10", "r8", "r9", "r11", "rcx", "cc", "memory");
return (int)result;
}