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syscall: openat

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Matheus
2023-05-09 23:25:29 -03:00
parent f56a0f27d7
commit 4cfb83f4fe
3 changed files with 112 additions and 6 deletions
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patches/mlibc/jinx-working-patch.patch
+11 -5
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@@ -113,10 +113,10 @@ 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..4d9555e
index 0000000..6715503
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -0,0 +1,138 @@
@@ -0,0 +1,143 @@
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
@@ -218,7 +218,12 @@ index 0000000..4d9555e
+ }
+
+ int sys_open(const char *pathname, int flags, mode_t mode, int *fd) {
+ return ENOSYS;
+ long ret;
+ long err = syscall(SYSCALL_OPENAT, &ret, AT_FDCWD, (uint64_t)pathname, flags, mode);
+ if (err)
+ return err;
+ *fd = ret;
+ return 0;
+ };
+ int sys_read(int fd, void *buff, size_t count, ssize_t *bytes_read) {
+ return ENOSYS;
@@ -274,15 +279,16 @@ 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..8f1ee3c
index 0000000..6ef92cd
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -0,0 +1,25 @@
@@ -0,0 +1,26 @@
+#ifndef _SYSCALL_H_INCLUDE
+#define _SYSCALL_H_INCLUDE
+
+#define SYSCALL_PRINT 0
+#define SYSCALL_MMAP 1
+#define SYSCALL_OPENAT 2
+
+#include <stddef.h>
+#include <stdint.h>