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mlibc: bump commit

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Matheus
2026-06-18 02:43:12 -03:00
parent b74f36e984
commit f5e10a0aad
6 changed files with 7 additions and 154 deletions
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patches/mlibc/jinx-working-patch.patch
-143
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@@ -1,110 +1,3 @@
diff --git mlibc-clean/options/ansi/generic/stdio.cpp mlibc-workdir/options/ansi/generic/stdio.cpp
index 71033d0..4d40869 100644
--- mlibc-clean/options/ansi/generic/stdio.cpp
+++ mlibc-workdir/options/ansi/generic/stdio.cpp
@@ -1224,6 +1224,8 @@ int do_scanf(H &handler, const Char *fmt, __builtin_va_list args) {
if (tolower(c) == 'x') {
handler.consume();
c = handler.look_ahead();
+ } else {
+ ++count;
}
}
while (true) {
diff --git mlibc-clean/options/ansi/generic/stdlib.cpp mlibc-workdir/options/ansi/generic/stdlib.cpp
index ac05b7a..967d759 100644
--- mlibc-clean/options/ansi/generic/stdlib.cpp
+++ mlibc-workdir/options/ansi/generic/stdlib.cpp
@@ -447,7 +447,6 @@ int mblen(const char *mbs, size_t mb_limit) {
int mbtowc(wchar_t *__restrict wc, const char *__restrict mb, size_t max_size) {
auto cc = mlibc::current_charcode();
- __ensure(max_size);
// If wc is NULL, decode into a single local character which we discard
// to obtain the length.
@@ -457,6 +456,11 @@ int mbtowc(wchar_t *__restrict wc, const char *__restrict mb, size_t max_size) {
if (mb) {
if (*mb) {
+ if (max_size == 0) {
+ errno = EILSEQ;
+ return -1;
+ }
+
mlibc::code_seq<wchar_t> wseq{wc, wc + 1};
mlibc::code_seq<const char> nseq{mb, mb + frg::min(max_size, MB_CUR_MAX)};
auto e = cc->decode_wtranscode(nseq, wseq, mbtowc_state);
diff --git mlibc-clean/options/glibc/generic/execinfo.cpp mlibc-workdir/options/glibc/generic/execinfo.cpp
index 1ed110d..ded9114 100644
--- mlibc-clean/options/glibc/generic/execinfo.cpp
+++ mlibc-workdir/options/glibc/generic/execinfo.cpp
@@ -4,6 +4,7 @@
#include <stdio.h>
#include <unistd.h>
#include <unwind.h>
+#include <errno.h>
#include <bits/ensure.h>
#include <mlibc/debug.hpp>
@@ -52,29 +53,7 @@ _Unwind_Reason_Code trace(_Unwind_Context *context, void *arg) {
} // namespace
int backtrace(void **buffer, int size) {
- if (size <= 0)
- return 0;
-
- if (!libgccHandle) {
- libgccHandle = dlopen("libgcc_s.so.1", RTLD_LAZY | RTLD_LOCAL);
- if (!libgccHandle || libgccHandle.value() == nullptr) {
- auto error = dlerror();
- mlibc::infoLogger() << "Failed to load libgcc_s.so.1: " << (error ? error : "") << frg::endlog;
- return 0;
- }
-
- unwindBacktrace = reinterpret_cast<UnwindBacktrace>(dlsym(libgccHandle.value(), "_Unwind_Backtrace"));
- unwindGetIP = reinterpret_cast<UnwindGetIP>(dlsym(libgccHandle.value(), "_Unwind_GetIP"));
-
- if (!unwindBacktrace || !unwindGetIP) {
- mlibc::infoLogger() << "Failed to find unwind functions in libgcc_s.so.1: " << dlerror() << frg::endlog;
- return 0;
- }
- }
-
- UnwindState state{buffer, size};
- unwindBacktrace(trace, &state);
- return state.current_frame;
+ return ENOSYS;
}
char **backtrace_symbols(void *const *, int) {
@@ -82,25 +61,5 @@ char **backtrace_symbols(void *const *, int) {
__builtin_unreachable();
}
-void backtrace_symbols_fd(void *const *buffer, int size, int fd) {
- if (size <= 0 || fd < 0)
- return;
-
- for (int frame_num = 0; frame_num < size; frame_num++) {
- Dl_info info;
- if (dladdr(buffer[frame_num], &info) != 0) {
- if (info.dli_fname != nullptr)
- write(fd, info.dli_fname, strlen(info.dli_fname));
-
- if (info.dli_sname != nullptr)
- dprintf(fd, "(%s+0x%" PRIxPTR ") ", info.dli_sname,
- reinterpret_cast<uintptr_t>(buffer[frame_num]) - reinterpret_cast<uintptr_t>(info.dli_saddr));
- else if(info.dli_saddr)
- dprintf(fd, "(+%p) ", info.dli_saddr);
- else
- dprintf(fd, "() ");
- }
-
- dprintf(fd, "[%p]\n", buffer[frame_num]);
- }
+void backtrace_symbols_fd(void *const *, int, int) {
}
diff --git mlibc-clean/options/glibc/generic/stdio_ext.cpp mlibc-workdir/options/glibc/generic/stdio_ext.cpp
index ccb3725..3dfa27a 100644
--- mlibc-clean/options/glibc/generic/stdio_ext.cpp
@@ -393,24 +286,6 @@ index 8592ea5..94ceba1 100644
+ }
+ return 0;
}
diff --git mlibc-clean/options/rtld/generic/main.cpp mlibc-workdir/options/rtld/generic/main.cpp
index bf54bcb..106916a 100644
--- mlibc-clean/options/rtld/generic/main.cpp
+++ mlibc-workdir/options/rtld/generic/main.cpp
@@ -729,7 +729,12 @@ void *__dlapi_open(const char *file, int flags, void *returnAddress) {
// TODO: Thread-safety!
auto rts = rtsCounter++;
- SharedObject *object = initialRepository->findLoadedObject(file);
+ auto objectName = frg::string_view{file};
+ auto lastSlash = objectName.find_last('/');
+ if (lastSlash != static_cast<size_t>(-1))
+ objectName = objectName.sub_string(lastSlash + 1, objectName.size() - (lastSlash + 1));
+
+ SharedObject *object = initialRepository->findLoadedObject(objectName);
if (object && object->globalRts == 0 && (flags & RTLD_GLOBAL)) {
// The object was opened with RTLD_LOCAL, but we are called with RTLD_GLOBAL.
// According to the man page, we should promote to the global scope here.
diff --git mlibc-clean/options/rtld/x86_64/runtime.S mlibc-workdir/options/rtld/x86_64/runtime.S
index ba9a520..b958ef3 100644
--- mlibc-clean/options/rtld/x86_64/runtime.S
@@ -1158,21 +1033,3 @@ index 43dd6b0..3e01e87 100644
subdir: 'astral',
follow_symlinks: true,
)
diff --git mlibc-clean/sysdeps/linux/generic/sysdeps.cpp mlibc-workdir/sysdeps/linux/generic/sysdeps.cpp
index a07ed53..1474470 100644
--- mlibc-clean/sysdeps/linux/generic/sysdeps.cpp
+++ mlibc-workdir/sysdeps/linux/generic/sysdeps.cpp
@@ -1060,6 +1060,13 @@ int Sysdeps<Renameat>::operator()(int old_dirfd, const char *old_path, int new_d
return 0;
}
+int Sysdeps<Renameat2>::operator()(int old_dirfd, const char *old_path, int new_dirfd, const char *new_path, unsigned int flags) {
+ auto ret = do_syscall(SYS_renameat2, old_dirfd, old_path, new_dirfd, new_path, flags);
+ if (int e = sc_error(ret); e)
+ return e;
+ return 0;
+}
+
int Sysdeps<Fcntl>::operator()(int fd, int cmd, va_list args, int *result) {
auto arg = va_arg(args, unsigned long);
// TODO: the api for linux differs for each command so fcntl()s might fail with -EINVAL