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ld: use unistd i/o functions to open/read library files

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This commit is contained in:
max 🍓
2026-03-10 19:16:46 +00:00
parent b7452a449b
commit 14799e0d58
2 changed files with 26 additions and 17 deletions
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2
sys/ld/CMakeLists.txt
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@@ -10,7 +10,7 @@ set_target_properties(ld PROPERTIES
SUFFIX ".so") SUFFIX ".so")
target_link_libraries(ld target_link_libraries(ld
libc-core libc-malloc libmango librosetta libc-core libc-malloc libc-io libmango librosetta libxpc-static
interface::fs) interface::fs)
target_compile_options(ld PRIVATE target_compile_options(ld PRIVATE

41
sys/ld/main.c
View File

@@ -1,6 +1,7 @@
#define MSG_IMPLEMENTATION #define MSG_IMPLEMENTATION
#define MSG_NO_MALLOC #define MSG_NO_MALLOC
#include <errno.h>
#include <heap/heap.h> #include <heap/heap.h>
#include <mango/log.h> #include <mango/log.h>
#include <mango/msg.h> #include <mango/msg.h>
@@ -12,6 +13,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sys/remote.h>
#include <unistd.h> #include <unistd.h>
int main(const struct rosetta_bootstrap *bs) int main(const struct rosetta_bootstrap *bs)
@@ -24,32 +26,39 @@ int main(const struct rosetta_bootstrap *bs)
kern_logf("argv[%zu]: %s", i, bs->bs_argv[i]); kern_logf("argv[%zu]: %s", i, bs->bs_argv[i]);
} }
kern_handle_t port; sys_remote_set(SYS_REMOTE_NSD, 0, 0);
kern_status_t status = port_create(&port);
if (status != KERN_OK) {
kern_logf("port creation failed %d", status);
return -1;
}
port_connect(port, 0, 0);
const char *path = "/usr/lib/libc.so"; const char *path = "/usr/lib/libc.so";
int flags = 4; int flags = 4;
int err = 0; int fd = open(path, flags);
kern_logf("sending msg: open(%s, %d)", path, flags); kern_logf("sending msg: open(%s, %d)", path, flags);
status = fs_open(port, path, flags, &err);
if (status != KERN_OK) { if (fd < 0) {
kern_logf("open call failed (status %d)", status);
} else {
kern_logf( kern_logf(
"open(%s, %d) = %s (%s)", "open(%s, %d) = %s (%s)",
path, path,
flags, flags,
strerror_code(err), strerror_code(fd),
strerror(err)); strerror(fd));
return -1;
} }
kern_logf(
"open(%s, %d) = %s (%s)",
path,
flags,
strerror_code(SUCCESS),
strerror(SUCCESS));
unsigned char buf[32] = {0};
int nr = read(fd, buf, sizeof buf);
if (nr < 0) {
kern_logf("read call failed (%s)", strerror(nr));
return -1;
}
kern_logf("data: %x %c %c %c", buf[0], buf[1], buf[2], buf[3]);
return 0; return 0;
} }