mirror of
https://github.com/Mathewnd/Astral.git
synced 2026-10-27 20:58:22 +00:00
124 lines
4.2 KiB
Diff
124 lines
4.2 KiB
Diff
diff --git mlibc-clean/options/ansi/generic/wchar.cpp mlibc-workdir/options/ansi/generic/wchar.cpp
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index b44ebc2..9339316 100644
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--- mlibc-clean/options/ansi/generic/wchar.cpp
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+++ mlibc-workdir/options/ansi/generic/wchar.cpp
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@@ -54,8 +54,13 @@ size_t mbrlen(const char *__restrict mbs, size_t mb_limit, mbstate_t *__restrict
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mlibc::code_seq<const char> nseq{mbs, mbs + mb_limit};
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mlibc::code_seq<wchar_t> wseq{&wc, &wc + 1};
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- if(auto e = cc->decode_wtranscode(nseq, wseq, *stp); e != mlibc::charcode_error::null)
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- __ensure(!"decode_wtranscode() errors are not handled");
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+ if(auto e = cc->decode_wtranscode(nseq, wseq, *stp); e != mlibc::charcode_error::null) {
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+ if(e == mlibc::charcode_error::input_underflow)
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+ return static_cast<size_t>(-1);
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+ __ensure(e == mlibc::charcode_error::illegal_input);
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+ errno = EILSEQ;
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+ return static_cast<size_t>(-1);
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+ }
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return nseq.it - mbs;
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}
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diff --git mlibc-clean/options/glibc/generic/execinfo.cpp mlibc-workdir/options/glibc/generic/execinfo.cpp
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index 1ed110d..ded9114 100644
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--- mlibc-clean/options/glibc/generic/execinfo.cpp
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+++ mlibc-workdir/options/glibc/generic/execinfo.cpp
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@@ -4,6 +4,7 @@
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#include <stdio.h>
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#include <unistd.h>
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#include <unwind.h>
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+#include <errno.h>
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#include <bits/ensure.h>
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#include <mlibc/debug.hpp>
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@@ -52,29 +53,7 @@ _Unwind_Reason_Code trace(_Unwind_Context *context, void *arg) {
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} // namespace
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int backtrace(void **buffer, int size) {
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- if (size <= 0)
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- return 0;
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-
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- if (!libgccHandle) {
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- libgccHandle = dlopen("libgcc_s.so.1", RTLD_LAZY | RTLD_LOCAL);
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- if (!libgccHandle || libgccHandle.value() == nullptr) {
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- auto error = dlerror();
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- mlibc::infoLogger() << "Failed to load libgcc_s.so.1: " << (error ? error : "") << frg::endlog;
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- return 0;
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- }
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-
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- unwindBacktrace = reinterpret_cast<UnwindBacktrace>(dlsym(libgccHandle.value(), "_Unwind_Backtrace"));
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- unwindGetIP = reinterpret_cast<UnwindGetIP>(dlsym(libgccHandle.value(), "_Unwind_GetIP"));
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-
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- if (!unwindBacktrace || !unwindGetIP) {
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- mlibc::infoLogger() << "Failed to find unwind functions in libgcc_s.so.1: " << dlerror() << frg::endlog;
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- return 0;
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- }
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- }
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-
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- UnwindState state{buffer, size};
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- unwindBacktrace(trace, &state);
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- return state.current_frame;
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+ return ENOSYS;
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}
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char **backtrace_symbols(void *const *, int) {
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@@ -82,25 +61,5 @@ char **backtrace_symbols(void *const *, int) {
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__builtin_unreachable();
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}
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-void backtrace_symbols_fd(void *const *buffer, int size, int fd) {
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- if (size <= 0 || fd < 0)
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- return;
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-
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- for (int frame_num = 0; frame_num < size; frame_num++) {
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- Dl_info info;
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- if (dladdr(buffer[frame_num], &info) != 0) {
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- if (info.dli_fname != nullptr)
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- write(fd, info.dli_fname, strlen(info.dli_fname));
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-
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- if (info.dli_sname != nullptr)
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- dprintf(fd, "(%s+0x%" PRIxPTR ") ", info.dli_sname,
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- reinterpret_cast<uintptr_t>(buffer[frame_num]) - reinterpret_cast<uintptr_t>(info.dli_saddr));
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- else if(info.dli_saddr)
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- dprintf(fd, "(+%p) ", info.dli_saddr);
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- else
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- dprintf(fd, "() ");
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- }
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-
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- dprintf(fd, "[%p]\n", buffer[frame_num]);
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- }
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+void backtrace_symbols_fd(void *const *, int, int) {
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}
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diff --git mlibc-clean/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
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index 939925e..5ee7fad 100644
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--- mlibc-clean/sysdeps/astral/generic/generic.cpp
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+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
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@@ -47,6 +47,12 @@ namespace mlibc {
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return 0;
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}
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+ int sys_unlockpt(int fd) {
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+ int r;
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+ // unlockpt is a no-op kernel side, so use this to check for an invalid pty
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+ return sys_ioctl(fd, 0x13376167, NULL, &r);
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+ }
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+
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int sys_readv(int fd, const struct iovec *iovs, int iovc, ssize_t *bytes_read) {
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long r;
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int error = syscall(SYSCALL_READV, &r, fd, (uint64_t)iovs, iovc);
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diff --git mlibc-clean/sysdeps/astral/include/astral/archctl.h mlibc-workdir/sysdeps/astral/include/astral/archctl.h
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index 7e4f2a1..a5f382d 100644
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--- mlibc-clean/sysdeps/astral/include/astral/archctl.h
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+++ mlibc-workdir/sysdeps/astral/include/astral/archctl.h
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@@ -5,6 +5,11 @@
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#define ARCH_CTL_SET_FSBASE 1
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#define ARCH_CTL_GET_GSBASE 2
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#define ARCH_CTL_GET_FSBASE 3
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+#define ARCH_CTL_SET_SYSTRACE 4
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+
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+#define ARCH_CTL_SYSTRACE_OFF 0
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+#define ARCH_CTL_SYSTRACE_SELF 1
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+#define ARCH_CTL_SYSTRACE_ALL 2
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#ifdef __cplusplus
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extern "C" {
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