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https://git.freebsd.org/ports.git
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f972de2bb9
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101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
--- base/debug/stack_trace_posix.cc.orig 2024-06-18 21:43:17 UTC
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+++ base/debug/stack_trace_posix.cc
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@@ -46,7 +46,7 @@
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// execinfo.h and backtrace(3) are really only present in glibc and in macOS
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// libc.
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#if BUILDFLAG(IS_APPLE) || \
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- (defined(__GLIBC__) && !defined(__UCLIBC__) && !defined(__AIX))
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+ (defined(__GLIBC__) && !defined(__UCLIBC__) && !defined(__AIX) && !BUILDFLAG(IS_BSD))
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#define HAVE_BACKTRACE
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#include <execinfo.h>
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#endif
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@@ -64,8 +64,10 @@
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#include <AvailabilityMacros.h>
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#endif
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-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
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+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
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+#if !BUILDFLAG(IS_BSD)
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#include <sys/prctl.h>
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+#endif
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#include "base/debug/proc_maps_linux.h"
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#endif
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@@ -306,7 +308,7 @@ void PrintToStderr(const char* output) {
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std::ignore = HANDLE_EINTR(write(STDERR_FILENO, output, strlen(output)));
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}
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-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS)
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+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
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void AlarmSignalHandler(int signal, siginfo_t* info, void* void_context) {
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// We have seen rare cases on AMD linux where the default signal handler
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// either does not run or a thread (Probably an AMD driver thread) prevents
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@@ -323,7 +325,11 @@ void AlarmSignalHandler(int signal, siginfo_t* info, v
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"Warning: Default signal handler failed to terminate process.\n");
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PrintToStderr("Calling exit_group() directly to prevent timeout.\n");
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// See: https://man7.org/linux/man-pages/man2/exit_group.2.html
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+#if BUILDFLAG(IS_BSD)
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+ _exit(EXIT_FAILURE);
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+#else
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syscall(SYS_exit_group, EXIT_FAILURE);
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+#endif
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}
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#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) ||
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// BUILDFLAG(IS_CHROMEOS)
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@@ -540,7 +546,7 @@ void StackDumpSignalHandler(int signal, siginfo_t* inf
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_exit(EXIT_FAILURE);
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}
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-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS)
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+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
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// Set an alarm to trigger in case the default handler does not terminate
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// the process. See 'AlarmSignalHandler' for more details.
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struct sigaction action;
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@@ -565,6 +571,7 @@ void StackDumpSignalHandler(int signal, siginfo_t* inf
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// signals that do not re-raise autonomously), such as signals delivered via
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// kill() and asynchronous hardware faults such as SEGV_MTEAERR, which would
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// otherwise be lost when re-raising the signal via raise().
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+#if !BUILDFLAG(IS_BSD)
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long retval = syscall(SYS_rt_tgsigqueueinfo, getpid(), syscall(SYS_gettid),
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info->si_signo, info);
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if (retval == 0) {
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@@ -579,6 +586,7 @@ void StackDumpSignalHandler(int signal, siginfo_t* inf
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if (errno != EPERM) {
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_exit(EXIT_FAILURE);
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}
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+#endif
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#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) ||
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// BUILDFLAG(IS_CHROMEOS)
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@@ -768,6 +776,7 @@ class SandboxSymbolizeHelper {
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return -1;
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}
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+#if !BUILDFLAG(IS_BSD)
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// This class is copied from
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// third_party/crashpad/crashpad/util/linux/scoped_pr_set_dumpable.h.
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// It aims at ensuring the process is dumpable before opening /proc/self/mem.
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@@ -860,11 +869,15 @@ class SandboxSymbolizeHelper {
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r.base = cur_base;
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}
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}
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+#endif
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// Parses /proc/self/maps in order to compile a list of all object file names
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// for the modules that are loaded in the current process.
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// Returns true on success.
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bool CacheMemoryRegions() {
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+#if BUILDFLAG(IS_BSD)
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+ return false;
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+#else
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// Reads /proc/self/maps.
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std::string contents;
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if (!ReadProcMaps(&contents)) {
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@@ -882,6 +895,7 @@ class SandboxSymbolizeHelper {
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is_initialized_ = true;
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return true;
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+#endif
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}
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// Opens all object files and caches their file descriptors.
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