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Kernel: Add SYS_EXEC syscall

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Bananymous
2023-05-31 20:57:33 +03:00
parent b48b239882
commit 24a190d1f7
4 changed files with 35 additions and 17 deletions
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11
kernel/kernel/Syscall.cpp
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@@ -112,6 +112,14 @@ namespace Kernel
return 0;
}
long sys_exec(const char* pathname, const char* const* argv, const char* const* envp)
{
auto ret = Process::current().exec(pathname, argv, envp);
if (ret.is_error())
return -ret.error().get_error_code();
ASSERT_NOT_REACHED();
}
extern "C" long sys_fork_trampoline();
extern "C" long cpp_syscall_handler(int syscall, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
@@ -171,6 +179,9 @@ namespace Kernel
case SYS_SLEEP:
ret = sys_sleep((unsigned int)arg1);
break;
case SYS_EXEC:
ret = sys_exec((const char*)arg1, (const char* const*)arg2, (const char* const*)arg3);
break;
default:
Kernel::panic("Unknown syscall {}", syscall);
}