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mlibc port: add support to the new system calls

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Matheus
2022-09-23 00:28:39 -03:00
parent 0ececa14b1
commit ff6999aa81
1 changed files with 45 additions and 14 deletions
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patches/mlibc/sysdeps.patch
+45 -14
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@@ -59,8 +59,8 @@ diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/generic/entry.cpp mlib
+
diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/generic/generic.cpp mlibc/sysdeps/astral/generic/generic.cpp
--- mlibc-3.0.0-rc1/sysdeps/astral/generic/generic.cpp 1969-12-31 21:00:00.000000000 -0300
+++ mlibc/sysdeps/astral/generic/generic.cpp 2022-09-22 14:48:18.236509081 -0300
@@ -0,0 +1,189 @@
+++ mlibc/sysdeps/astral/generic/generic.cpp 2022-09-23 00:23:36.476483719 -0300
@@ -0,0 +1,216 @@
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
@@ -98,12 +98,6 @@ diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/generic/generic.cpp ml
+ }
+
+ // stub
+
+ pid_t sys_getpid(){
+ return 1;
+ }
+
+ // stub
+
+ pid_t sys_getppid(){
+ return 1;
@@ -117,6 +111,12 @@ diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/generic/generic.cpp ml
+ }
+
+ // stub
+
+ int sys_setpgid(pid_t pid, pid_t pgid){
+ return ENOSYS;
+ }
+
+ // stub
+
+ int sys_clock_get(int clock, time_t *secs, long *nanos){
+ *secs = 0;
@@ -125,23 +125,50 @@ diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/generic/generic.cpp ml
+ }
+
+ // stub
+
+
+ int sys_ioctl(int fd, unsigned long request, void *arg, int *result){
+ return ENOSYS;
+ }
+
+
+ // stub
+
+ int sys_sigaction(int, const struct sigaction *__restrict,
+ struct sigaction *__restrict){
+ return ENOSYS;
+ }
+
+
+ // stub
+
+
+ int sys_sigprocmask(int how, const sigset_t *__restrict set, sigset_t *__restrict retrieve){
+ return ENOSYS;
+ }
+
+ pid_t sys_getpid(){
+ long ret;
+ syscall(SYSCALL_GETPID, &ret);
+ return ret;
+ }
+
+
+ int sys_fcntl(int fd, int request, va_list args, int *result){
+ long ret;
+ // all currently supported requests only have one arg
+ long err = syscall(SYSCALL_FCNTL, &ret, fd, request, 0);
+ *result = ret;
+ return err;
+ }
+
+ int sys_dup(int fd, int flags, int* newfd){
+ long ret;
+ long err = syscall(SYSCALL_DUP, &ret, fd);
+ *newfd = ret;
+ return err;
+ }
+
+ int sys_dup2(int fd, int flags, int newfd){
+ long ret;
+ return syscall(SYSCALL_DUP2, &ret, fd, newfd);
+ }
+
+ int sys_waitpid(pid_t pid, int *status, int flags, struct rusage *ru, pid_t *ret_pid){
+ long ret;
@@ -267,8 +294,8 @@ diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/include/astral/archctl
+#endif
diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/include/astral/syscall.h mlibc/sysdeps/astral/include/astral/syscall.h
--- mlibc-3.0.0-rc1/sysdeps/astral/include/astral/syscall.h 1969-12-31 21:00:00.000000000 -0300
+++ mlibc/sysdeps/astral/include/astral/syscall.h 2022-09-22 14:41:12.779845943 -0300
@@ -0,0 +1,41 @@
+++ mlibc/sysdeps/astral/include/astral/syscall.h 2022-09-23 00:03:59.546493191 -0300
@@ -0,0 +1,45 @@
+#ifndef _SYSCALL_H_INCLUDE
+#define _SYSCALL_H_INCLUDE
+
@@ -288,6 +315,10 @@ diff -ruN --no-dereference mlibc-3.0.0-rc1/sysdeps/astral/include/astral/syscall
+#define SYSCALL_EXECVE 13
+#define SYSCALL_WAITPID 14
+#define SYSCALL_EXIT 15
+#define SYSCALL_DUP 16
+#define SYSCALL_DUP2 17
+#define SYSCALL_FCNTL 18
+#define SYSCALL_GETPID 19
+
+#include <stddef.h>
+#include <stdint.h>