From a70b814420059e1f2de2130d532ddd7b2b2500fc Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Wed, 3 Apr 2019 16:02:42 -0600 Subject: Rewrite TRY/CATCH This rewrites gdb's TRY/CATCH to plain C++ try/catch. The patch was largely written by script, though one change (to a comment in common-exceptions.h) was reverted by hand. gdb/ChangeLog 2019-04-08 Tom Tromey * xml-support.c: Use C++ exception handling. * x86-linux-nat.c: Use C++ exception handling. * windows-nat.c: Use C++ exception handling. * varobj.c: Use C++ exception handling. * value.c: Use C++ exception handling. * valprint.c: Use C++ exception handling. * valops.c: Use C++ exception handling. * unittests/parse-connection-spec-selftests.c: Use C++ exception handling. * unittests/cli-utils-selftests.c: Use C++ exception handling. * typeprint.c: Use C++ exception handling. * tui/tui.c: Use C++ exception handling. * tracefile-tfile.c: Use C++ exception handling. * top.c: Use C++ exception handling. * thread.c: Use C++ exception handling. * target.c: Use C++ exception handling. * symmisc.c: Use C++ exception handling. * symfile-mem.c: Use C++ exception handling. * stack.c: Use C++ exception handling. * sparc64-linux-tdep.c: Use C++ exception handling. * solib.c: Use C++ exception handling. * solib-svr4.c: Use C++ exception handling. * solib-spu.c: Use C++ exception handling. * solib-frv.c: Use C++ exception handling. * solib-dsbt.c: Use C++ exception handling. * selftest-arch.c: Use C++ exception handling. * s390-tdep.c: Use C++ exception handling. * rust-lang.c: Use C++ exception handling. * rust-exp.y: Use C++ exception handling. * rs6000-tdep.c: Use C++ exception handling. * rs6000-aix-tdep.c: Use C++ exception handling. * riscv-tdep.c: Use C++ exception handling. * remote.c: Use C++ exception handling. * remote-fileio.c: Use C++ exception handling. * record-full.c: Use C++ exception handling. * record-btrace.c: Use C++ exception handling. * python/python.c: Use C++ exception handling. * python/py-value.c: Use C++ exception handling. * python/py-utils.c: Use C++ exception handling. * python/py-unwind.c: Use C++ exception handling. * python/py-type.c: Use C++ exception handling. * python/py-symbol.c: Use C++ exception handling. * python/py-record.c: Use C++ exception handling. * python/py-record-btrace.c: Use C++ exception handling. * python/py-progspace.c: Use C++ exception handling. * python/py-prettyprint.c: Use C++ exception handling. * python/py-param.c: Use C++ exception handling. * python/py-objfile.c: Use C++ exception handling. * python/py-linetable.c: Use C++ exception handling. * python/py-lazy-string.c: Use C++ exception handling. * python/py-infthread.c: Use C++ exception handling. * python/py-inferior.c: Use C++ exception handling. * python/py-gdb-readline.c: Use C++ exception handling. * python/py-framefilter.c: Use C++ exception handling. * python/py-frame.c: Use C++ exception handling. * python/py-finishbreakpoint.c: Use C++ exception handling. * python/py-cmd.c: Use C++ exception handling. * python/py-breakpoint.c: Use C++ exception handling. * python/py-arch.c: Use C++ exception handling. * printcmd.c: Use C++ exception handling. * ppc-linux-tdep.c: Use C++ exception handling. * parse.c: Use C++ exception handling. * p-valprint.c: Use C++ exception handling. * objc-lang.c: Use C++ exception handling. * mi/mi-main.c: Use C++ exception handling. * mi/mi-interp.c: Use C++ exception handling. * mi/mi-cmd-stack.c: Use C++ exception handling. * mi/mi-cmd-break.c: Use C++ exception handling. * main.c: Use C++ exception handling. * linux-thread-db.c: Use C++ exception handling. * linux-tdep.c: Use C++ exception handling. * linux-nat.c: Use C++ exception handling. * linux-fork.c: Use C++ exception handling. * linespec.c: Use C++ exception handling. * language.c: Use C++ exception handling. * jit.c: Use C++ exception handling. * infrun.c: Use C++ exception handling. * infcmd.c: Use C++ exception handling. * infcall.c: Use C++ exception handling. * inf-loop.c: Use C++ exception handling. * i386-tdep.c: Use C++ exception handling. * i386-linux-tdep.c: Use C++ exception handling. * guile/scm-value.c: Use C++ exception handling. * guile/scm-type.c: Use C++ exception handling. * guile/scm-symtab.c: Use C++ exception handling. * guile/scm-symbol.c: Use C++ exception handling. * guile/scm-pretty-print.c: Use C++ exception handling. * guile/scm-ports.c: Use C++ exception handling. * guile/scm-param.c: Use C++ exception handling. * guile/scm-math.c: Use C++ exception handling. * guile/scm-lazy-string.c: Use C++ exception handling. * guile/scm-frame.c: Use C++ exception handling. * guile/scm-disasm.c: Use C++ exception handling. * guile/scm-cmd.c: Use C++ exception handling. * guile/scm-breakpoint.c: Use C++ exception handling. * guile/scm-block.c: Use C++ exception handling. * guile/guile-internal.h: Use C++ exception handling. * gnu-v3-abi.c: Use C++ exception handling. * gdbtypes.c: Use C++ exception handling. * frame.c: Use C++ exception handling. * frame-unwind.c: Use C++ exception handling. * fbsd-tdep.c: Use C++ exception handling. * f-valprint.c: Use C++ exception handling. * exec.c: Use C++ exception handling. * event-top.c: Use C++ exception handling. * event-loop.c: Use C++ exception handling. * eval.c: Use C++ exception handling. * dwarf2read.c: Use C++ exception handling. * dwarf2loc.c: Use C++ exception handling. * dwarf2-frame.c: Use C++ exception handling. * dwarf2-frame-tailcall.c: Use C++ exception handling. * dwarf-index-write.c: Use C++ exception handling. * dwarf-index-cache.c: Use C++ exception handling. * dtrace-probe.c: Use C++ exception handling. * disasm-selftests.c: Use C++ exception handling. * darwin-nat.c: Use C++ exception handling. * cp-valprint.c: Use C++ exception handling. * cp-support.c: Use C++ exception handling. * cp-abi.c: Use C++ exception handling. * corelow.c: Use C++ exception handling. * completer.c: Use C++ exception handling. * compile/compile-object-run.c: Use C++ exception handling. * compile/compile-object-load.c: Use C++ exception handling. * compile/compile-cplus-symbols.c: Use C++ exception handling. * compile/compile-c-symbols.c: Use C++ exception handling. * common/selftest.c: Use C++ exception handling. * common/new-op.c: Use C++ exception handling. * cli/cli-script.c: Use C++ exception handling. * cli/cli-interp.c: Use C++ exception handling. * cli/cli-cmds.c: Use C++ exception handling. * c-varobj.c: Use C++ exception handling. * btrace.c: Use C++ exception handling. * breakpoint.c: Use C++ exception handling. * break-catch-throw.c: Use C++ exception handling. * arch-utils.c: Use C++ exception handling. * amd64-tdep.c: Use C++ exception handling. * ada-valprint.c: Use C++ exception handling. * ada-typeprint.c: Use C++ exception handling. * ada-lang.c: Use C++ exception handling. * aarch64-tdep.c: Use C++ exception handling. gdb/gdbserver/ChangeLog 2019-04-08 Tom Tromey * server.c: Use C++ exception handling. * linux-low.c: Use C++ exception handling. * gdbreplay.c: Use C++ exception handling. --- gdb/linux-nat.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) (limited to 'gdb/linux-nat.c') diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c index 13b76f8..c2eb55f 100644 --- a/gdb/linux-nat.c +++ b/gdb/linux-nat.c @@ -1188,11 +1188,11 @@ linux_nat_target::attach (const char *args, int from_tty) /* Make sure we report all signals during attach. */ pass_signals ({}); - TRY + try { inf_ptrace_target::attach (args, from_tty); } - CATCH (ex, RETURN_MASK_ERROR) + catch (const gdb_exception_RETURN_MASK_ERROR &ex) { pid_t pid = parse_pid_to_attach (args); std::string reason = linux_ptrace_attach_fail_reason (pid); @@ -1203,7 +1203,6 @@ linux_nat_target::attach (const char *args, int from_tty) else throw_error (ex.error, "%s", ex.what ()); } - END_CATCH /* The ptrace base target adds the main thread with (pid,0,0) format. Decorate it with lwp info. */ @@ -1402,16 +1401,15 @@ detach_one_lwp (struct lwp_info *lp, int *signo_p) /* Preparing to resume may try to write registers, and fail if the lwp is zombie. If that happens, ignore the error. We'll handle it below, when detach fails with ESRCH. */ - TRY + try { linux_target->low_prepare_to_resume (lp); } - CATCH (ex, RETURN_MASK_ERROR) + catch (const gdb_exception_RETURN_MASK_ERROR &ex) { if (!check_ptrace_stopped_lwp_gone (lp)) throw_exception (ex); } - END_CATCH if (ptrace (PTRACE_DETACH, lwpid, 0, signo) < 0) { @@ -1585,16 +1583,15 @@ check_ptrace_stopped_lwp_gone (struct lwp_info *lp) static void linux_resume_one_lwp (struct lwp_info *lp, int step, enum gdb_signal signo) { - TRY + try { linux_resume_one_lwp_throw (lp, step, signo); } - CATCH (ex, RETURN_MASK_ERROR) + catch (const gdb_exception_RETURN_MASK_ERROR &ex) { if (!check_ptrace_stopped_lwp_gone (lp)) throw_exception (ex); } - END_CATCH } /* Resume LP. */ @@ -3526,7 +3523,7 @@ resume_stopped_resumed_lwps (struct lwp_info *lp, const ptid_t wait_ptid) struct regcache *regcache = get_thread_regcache (lp->ptid); struct gdbarch *gdbarch = regcache->arch (); - TRY + try { CORE_ADDR pc = regcache_read_pc (regcache); int leave_stopped = 0; @@ -3552,12 +3549,11 @@ resume_stopped_resumed_lwps (struct lwp_info *lp, const ptid_t wait_ptid) linux_resume_one_lwp_throw (lp, lp->step, GDB_SIGNAL_0); } } - CATCH (ex, RETURN_MASK_ERROR) + catch (const gdb_exception_RETURN_MASK_ERROR &ex) { if (!check_ptrace_stopped_lwp_gone (lp)) throw_exception (ex); } - END_CATCH } return 0; -- cgit v1.1