From e522fb52bf667829017a29318fde85f123eb69da Mon Sep 17 00:00:00 2001 From: John Gilmore Date: Wed, 14 Aug 1991 00:11:20 +0000 Subject: [PATCH] * source.c: #if defined => #ifdef. * main.c (main): Only try to attach "corefile" argument if it starts with a digit. --- gdb/ChangeLog | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++- gdb/main.c | 31 ++++++++++++------- gdb/source.c | 71 ++++++++++++++++++++++-------------------- 3 files changed, 143 insertions(+), 45 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index c41b4baa0d..37f238125b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,6 +1,90 @@ +Tue Aug 13 16:17:56 1991 John Gilmore (gnu at cygint.cygnus.com) + + * blockframe.c (frameless_look_for_prologue): Speed up by + calling SKIP_PROLOGUE_FRAMELESS_P if it's defined. + * tm-sparc.h (SKIP_PROLOGUE, SKIP_PROLOGUE_FRAMELESS_P): + Define two variants, one faster. + * sparc-tdep.c (sparc_frame_chain): Use target_read_memory + and return zero, rather than giving an error. + (setup_arbitrary_frame): Initialize the PC in the new frame. + (skip_prologue): Add a second arg saying whether we're just + checking for a frameless function or not. + + * core.c (core_open, core_close, core_xfer_memory): Move + section table pointers and bfd* into the target_ops. + (core_open): Allow errors in shared lib reading, etc. + (core_files_info): Describe shared library sections. + + * exec.c (exec_open, exec_close, exec_xfer_memory, xfer_memory, + exec_files_info, set_section_command): Move section table + pointers and bfd* into the target_ops. + (add_to_section_table): Add BFD to section table. + + * target.c (target_xfer_memory, target_info): Pass target to + xfer_memory and target_info functions. + * target.h: '' + + * gdbcore.h: Move struct section_table. + * target.h: New home of struct section_table. + + * solib.c (solib_add): New argument is the target_ops whose + section list is to be added to, if any. Reallocate the + sections in that target to add any that come from shared libs. + (throughout) so_sections renamed to sections. + (solib_xfer_memory): Deleted. + * tm-sunos.h (SOLIB_ADD): Add target argument. + (SOLIB_XFER_MEMORY): Delete. + + * core.c, exec.c, inftarg.c, remote-eb.c, remote-nindy.c, + remote-vx.c, remote.c, target.c, target.h: Remove add_syms vector + from target_ops. It's the same on all targets. Add two section + pointers to target_ops. + + * stack.c (find_relative_frame): Dump ancient algorithm for + "down", just use handy "next" pointers. + (frame_command): Don't error if there is no stack; let user + set one. + + * inflow.c (new_tty_prefork, new_tty): New prefork routine + modifies static state in the parent process; new_tty itself + runs in the child and modifies the child's file descriptors + to match the saved static state. + * infrun.c (child_create_inferior): Call new_tty_prefork, + fork, then new_tty. + + * infptrace.c (child_xfer_memory): Add ignored target arg. + * remote-eb.c (eb_xfer_inferior_memory): '' + * remote-nindy.c (nindy_xfer_inferior_memory): '' + * remote-vx.c (vx_xfer_memory): '' + * remote.c (remote_xfer_memory): ''. Rename from + remote_xfer_inferior_memory. + + * main.c (main): Only try to attach "corefile" argument if + it starts with a digit. + + * symfile.c (symbol_reloading): New "set/show" variable. + (symbol_file_add): Shorten message about symbol reading. + (add_symbol_file_command): Merge with add_syms_addr_command, + since this should work on all targets now. + (stop_whining): Default to zero, to shut up complaints + about bad symbol tables on many systems. + (free_named_symtabs): Just exit unless symbol_reloading. + + * xm-sun3os4.h, xm-sun4os4.h: Define BROKEN_LARGE_ALLOCA, + and add comment explaining shared library screw. + + * source.c: #if defined => #ifdef. + +Thu Aug 8 12:23:19 1991 John Gilmore (gnu at cygint.cygnus.com) + + * doc/gdbint.texinfo: Improve doc on porting to new OS's. + Tue Aug 6 17:16:15 1991 Roland H. Pesch (pesch at cygint.cygnus.com) - * Makefile: use doc/Makefile for doc targets + * doc/rdl-apps.texinfo: provide default readline-appendix finder + (doc/Makefile knows how to make one for local config) + + * Makefile.in: use doc/Makefile for doc targets * doc/Makefile: GDB documentation now has its own Makefile doc/refcard.tex: renamed from "gdbrc.tex" diff --git a/gdb/main.c b/gdb/main.c index 239eb02e1d..b8419a2317 100644 --- a/gdb/main.c +++ b/gdb/main.c @@ -3,19 +3,19 @@ This file is part of GDB. -GDB is free software; you can redistribute it and/or modify +This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. -GDB is distributed in the hope that it will be useful, +This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GDB; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include int fclose (); @@ -28,9 +28,11 @@ int fclose (); #include "target.h" #include "breakpoint.h" -#include -#include -#include +#include "getopt.h" + +/* readline include files */ +#include "readline.h" +#include "history.h" /* readline defines this. */ #undef savestring @@ -45,11 +47,11 @@ int fclose (); #include #include #include +#include #ifdef SET_STACK_LIMIT_HUGE #include #include -#include int original_stack_limit; #endif @@ -581,7 +583,7 @@ GDB manual (available as on-line info or a printed manual).\n", stderr); if (corearg != NULL) if (!setjmp (to_top_level)) core_file_command (corearg, !batch); - else if (!setjmp (to_top_level)) + else if (isdigit (corearg[0]) && !setjmp (to_top_level)) attach_command (corearg, !batch); do_cleanups (ALL_CLEANUPS); @@ -1157,6 +1159,13 @@ command_line_input (prrompt, repeat) while (1) { + /* Reports are that some Sys V's don't flush stdout/err on reads + from stdin, when stdin/out are sockets rather than ttys. So we + have to do it ourselves, to make emacs-gdb and xxgdb work. + On other machines, doing this once per input should be a cheap nop. */ + fflush (stdout); + fflush (stderr); + /* Don't use fancy stuff if not talking to stdin. */ if (command_editing_p && instream == stdin && ISATTY (instream)) diff --git a/gdb/source.c b/gdb/source.c index 6ad887a654..d0876413ca 100644 --- a/gdb/source.c +++ b/gdb/source.c @@ -3,19 +3,19 @@ This file is part of GDB. -GDB is free software; you can redistribute it and/or modify +This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. -GDB is distributed in the hope that it will be useful, +This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GDB; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include "defs.h" @@ -34,13 +34,12 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include "gdbcore.h" +#include "regex.h" extern char *strstr(); extern void set_next_address (); -void mod_path (); - /* Path of directories to search for source files. Same format as the PATH environment variable's value. */ @@ -97,25 +96,27 @@ select_source_symtab (s) free (sals.sals); current_source_symtab = sal.symtab; current_source_line = max (sal.line - (lines_to_list () - 1), 1); - return; + if (current_source_symtab) + return; } /* All right; find the last file in the symtab list (ignoring .h's). */ - if (s = symtab_list) + current_source_line = 1; + + for (s = symtab_list; s; s = s->next) { - do - { - char *name = s->filename; - int len = strlen (name); - if (! (len > 2 && !strcmp (&name[len - 2], ".h"))) - current_source_symtab = s; - s = s->next; - } - while (s); - current_source_line = 1; + char *name = s->filename; + int len = strlen (name); + if (! (len > 2 && !strcmp (&name[len - 2], ".h"))) + current_source_symtab = s; } - else if (partial_symtab_list) + if (current_source_symtab) + return; + + /* Howabout the partial symtab list? */ + + if (partial_symtab_list) { ps = partial_symtab_list; while (ps) @@ -131,10 +132,11 @@ select_source_symtab (s) fatal ("Internal: select_source_symtab: readin pst found and no symtabs."); else current_source_symtab = PSYMTAB_TO_SYMTAB (cs_pst); - else - current_source_symtab = 0; - current_source_line = 1; } + if (current_source_symtab) + return; + + error ("Can't find a default source file"); } static void @@ -193,7 +195,7 @@ directory_command (dirname, from_tty) } } else - mod_path (dirname, from_tty, &source_path); + mod_path (dirname, &source_path); if (from_tty) show_directories (); forget_cached_source_info (); @@ -202,9 +204,8 @@ directory_command (dirname, from_tty) /* Add zero or more directories to the front of an arbitrary path. */ void -mod_path (dirname, from_tty, which_path) +mod_path (dirname, which_path) char *dirname; - int from_tty; char **which_path; { char *old = *which_path; @@ -541,7 +542,7 @@ find_source_lines (s, desc) if (exec_bfd && bfd_get_mtime(exec_bfd) < st.st_mtime) printf ("Source file is more recent than executable.\n"); -#if defined (BROKEN_LARGE_ALLOCA) +#ifdef BROKEN_LARGE_ALLOCA data = (char *) xmalloc (st.st_size); make_cleanup (free, data); #else @@ -773,7 +774,7 @@ list_command (arg, from_tty) char *p; if (symtab_list == 0 && partial_symtab_list == 0) - error ("No symbol table is loaded. Use the \"symbol-file\" command."); + error ("No symbol table is loaded. Use the \"file\" command."); /* Pull in a current source symtab if necessary */ if (current_source_symtab == 0 && @@ -982,6 +983,7 @@ line_info (arg, from_tty) /* Commands to search the source file for a regexp. */ +/* ARGSUSED */ static void forward_search_command (regex, from_tty) char *regex; @@ -1024,15 +1026,16 @@ forward_search_command (regex, from_tty) stream = fdopen (desc, "r"); clearerr (stream); while (1) { +/* FIXME!!! We walk right off the end of buf if we get a long line!!! */ char buf[4096]; /* Should be reasonable??? */ register char *p = buf; - c = fgetc (stream); + c = getc (stream); if (c == EOF) break; do { *p++ = c; - } while (c != '\n' && (c = fgetc (stream)) >= 0); + } while (c != '\n' && (c = getc (stream)) >= 0); /* we now have a source line in buf, null terminate and match */ *p = 0; @@ -1052,6 +1055,7 @@ forward_search_command (regex, from_tty) fclose (stream); } +/* ARGSUSED */ static void reverse_search_command (regex, from_tty) char *regex; @@ -1095,15 +1099,16 @@ reverse_search_command (regex, from_tty) clearerr (stream); while (line > 1) { +/* FIXME!!! We walk right off the end of buf if we get a long line!!! */ char buf[4096]; /* Should be reasonable??? */ register char *p = buf; - c = fgetc (stream); + c = getc (stream); if (c == EOF) break; do { *p++ = c; - } while (c != '\n' && (c = fgetc (stream)) >= 0); + } while (c != '\n' && (c = getc (stream)) >= 0); /* We now have a source line in buf; null terminate and match. */ *p = 0; -- 2.34.1