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syscalls: linkat

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Matheus
2023-07-06 14:01:12 -03:00
parent 4a9306191b
commit 9b945d2bc0
5 changed files with 127 additions and 9 deletions
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patches/mlibc/jinx-working-patch.patch
+27 -5
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@@ -133,10 +133,10 @@ index 0000000..e5b087a
+
diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
new file mode 100644
index 0000000..97b963a
index 0000000..0b9a48b
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -0,0 +1,301 @@
@@ -0,0 +1,322 @@
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
@@ -211,6 +211,27 @@ index 0000000..97b963a
+ return 0;
+ }
+
+ static int dolink(int oldfd, const char *oldpath, int newfd, const char *newpath, int flags, int type) {
+ long ret;
+ return syscall(SYSCALL_LINKAT, &ret, oldfd, (uint64_t)oldpath, newfd, (uint64_t)newpath, flags, type);
+ }
+
+ int sys_linkat(int olddirfd, const char *old_path, int newdirfd, const char *new_path, int flags) {
+ return dolink(olddirfd, old_path, newdirfd, new_path, flags, 0);
+ }
+
+ int sys_link(const char *old_path, const char *new_path) {
+ return sys_linkat(AT_FDCWD, old_path, AT_FDCWD, new_path, 0);
+ }
+
+ int sys_symlinkat(const char *target_path, int dirfd, const char *link_path) {
+ return dolink(AT_FDCWD, target_path, dirfd, link_path, 0, 1);
+ }
+
+ int sys_symlink(const char *target_path, const char *link_path) {
+ return sys_symlinkat(target_path, AT_FDCWD, link_path);
+ }
+
+ int sys_mkdirat(int dirfd, const char *path, mode_t mode) {
+ long ret;
+ return syscall(SYSCALL_MKDIRAT, &ret, dirfd, (uint64_t)path, mode);
@@ -309,7 +330,7 @@ index 0000000..97b963a
+ long ret;
+ switch (fsfdt) {
+ case fsfd_target::path:
+ return syscall(SYSCALL_FSTATAT, &ret, AT_FDCWD, (uint64_t)path, (uint64_t)statbuf, 0);
+ return syscall(SYSCALL_FSTATAT, &ret, AT_FDCWD, (uint64_t)path, (uint64_t)statbuf, flags);
+ case fsfd_target::fd:
+ return syscall(SYSCALL_FSTAT, &ret, fd, (uint64_t)statbuf);
+ case fsfd_target::fd_path:
@@ -457,10 +478,10 @@ index 0000000..990eca0
+#endif
diff --git mlibc-workdir/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
new file mode 100644
index 0000000..96da753
index 0000000..ee926b6
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -0,0 +1,52 @@
@@ -0,0 +1,53 @@
+#ifndef _SYSCALL_H_INCLUDE
+#define _SYSCALL_H_INCLUDE
+
@@ -493,6 +514,7 @@ index 0000000..96da753
+#define SYSCALL_IOCTL 26
+#define SYSCALL_MKDIRAT 27
+#define SYSCALL_CLOCKGET 28
+#define SYSCALL_LINKAT 29
+
+#include <stddef.h>
+#include <stdint.h>