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author | John Gilmore <gnu@cygnus> | 1991-09-19 02:40:29 +0000 |
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committer | John Gilmore <gnu@cygnus> | 1991-09-19 02:40:29 +0000 |
commit | e3af0493062fb35eceb0955a602a3d37a7766967 (patch) | |
tree | 1fc4089350cdf9107f88d3b822b9fa0aa211d933 /gdb/source.c | |
parent | 0c4d2cc2b3a353604c3320b867ce5d471fee1ecb (diff) | |
download | gdb-e3af0493062fb35eceb0955a602a3d37a7766967.zip gdb-e3af0493062fb35eceb0955a602a3d37a7766967.tar.gz gdb-e3af0493062fb35eceb0955a602a3d37a7766967.tar.bz2 |
* i386-xdep.c, pyr-tdep.c, pyr-xdep.c, remote-vx.c, solib.c,
source.c, symfile.c, dbxread.c: Output hex with local_hex_string for
Modula-2 support.
Diffstat (limited to 'gdb/source.c')
-rw-r--r-- | gdb/source.c | 75 |
1 files changed, 47 insertions, 28 deletions
diff --git a/gdb/source.c b/gdb/source.c index d087641..369788f 100644 --- a/gdb/source.c +++ b/gdb/source.c @@ -21,6 +21,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "defs.h" #include "symtab.h" #include "param.h" +#include "language.h" #include "command.h" #include "gdbcmd.h" #include "frame.h" @@ -36,7 +37,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "gdbcore.h" #include "regex.h" -extern char *strstr(); +/* If we use this declaration, it breaks because of fucking ANSI "const" stuff + on some systems. We just have to not declare it at all, have it default + to int, and possibly botch on a few systems. Thanks, ANSIholes... */ +/* extern char *strstr(); */ extern void set_next_address (); @@ -53,6 +57,14 @@ struct symtab *current_source_symtab; int current_source_line; +/* Default number of lines to print with commands like "list". + This is based on guessing how many long (i.e. more than chars_per_line + characters) lines there will be. To be completely correct, "list" + and friends should be rewritten to count characters and see where + things are wrapping, but that would be a fair amount of work. */ + +unsigned lines_to_list = 10; + /* Line number of last line printed. Default for various commands. current_source_line is usually, but not always, the same as this. */ @@ -95,7 +107,7 @@ select_source_symtab (s) sal = sals.sals[0]; free (sals.sals); current_source_symtab = sal.symtab; - current_source_line = max (sal.line - (lines_to_list () - 1), 1); + current_source_line = max (sal.line - (lines_to_list - 1), 1); if (current_source_symtab) return; } @@ -364,13 +376,7 @@ source_info () if (s->nlines) printf ("Contains %d lines\n", s->nlines); - switch (s->language) { - case language_c: - printf("Written in the C language.\n"); - /* Add more cases here when -Wswitch complains... */ - case language_unknown: - break; - } + printf("Source language %s.\n", language_str (s->language)); } @@ -503,7 +509,9 @@ open_source_file (s) { /* Replace a path entry of $cdir with the compilation directory name */ #define cdir_len 5 - p = strstr (source_path, "$cdir"); + /* We cast strstr's result in case an ANSIhole has made it const, + which produces a "required warning" when assigned to a nonconst. */ + p = (char *)strstr (source_path, "$cdir"); if (p && (p == path || p[-1] == ':') && (p[cdir_len] == ':' || p[cdir_len] == '\0')) { int len; @@ -788,7 +796,7 @@ list_command (arg, from_tty) if (current_source_symtab == 0) error ("No default source file yet. Do \"help list\"."); print_source_lines (current_source_symtab, current_source_line, - current_source_line + lines_to_list (), 0); + current_source_line + lines_to_list, 0); return; } @@ -798,7 +806,7 @@ list_command (arg, from_tty) if (current_source_symtab == 0) error ("No default source file yet. Do \"help list\"."); print_source_lines (current_source_symtab, - max (first_line_listed - lines_to_list (), 1), + max (first_line_listed - lines_to_list, 1), first_line_listed, 0); return; } @@ -878,14 +886,16 @@ list_command (arg, from_tty) if (*arg == '*') { if (sal.symtab == 0) - error ("No source file for address 0x%x.", sal.pc); + error ("No source file for address %s.", local_hex_string(sal.pc)); sym = find_pc_function (sal.pc); if (sym) - printf ("0x%x is in %s (%s, line %d).\n", - sal.pc, SYMBOL_NAME (sym), sal.symtab->filename, sal.line); + printf ("%s is in %s (%s, line %d).\n", + local_hex_string(sal.pc), + SYMBOL_NAME (sym), sal.symtab->filename, sal.line); else - printf ("0x%x is in %s, line %d.\n", - sal.pc, sal.symtab->filename, sal.line); + printf ("%s is in %s, line %d.\n", + local_hex_string(sal.pc), + sal.symtab->filename, sal.line); } /* If line was not specified by just a line number, @@ -905,18 +915,18 @@ list_command (arg, from_tty) error ("No default source file yet. Do \"help list\"."); if (dummy_beg) print_source_lines (sal_end.symtab, - max (sal_end.line - (lines_to_list () - 1), 1), + max (sal_end.line - (lines_to_list - 1), 1), sal_end.line + 1, 0); else if (sal.symtab == 0) error ("No default source file yet. Do \"help list\"."); else if (no_end) print_source_lines (sal.symtab, - max (sal.line - (lines_to_list () / 2), 1), - sal.line + (lines_to_list() / 2), 0); + max (sal.line - (lines_to_list / 2), 1), + sal.line + (lines_to_list / 2), 0); else print_source_lines (sal.symtab, sal.line, (dummy_end - ? sal.line + lines_to_list () + ? sal.line + lines_to_list : sal_end.line + 1), 0); } @@ -965,11 +975,14 @@ line_info (arg, from_tty) && find_line_pc_range (sal.symtab, sal.line, &start_pc, &end_pc)) { if (start_pc == end_pc) - printf ("Line %d of \"%s\" is at pc 0x%x but contains no code.\n", - sal.line, sal.symtab->filename, start_pc); + printf ("Line %d of \"%s\" is at pc %s but contains no code.\n", + sal.line, sal.symtab->filename, local_hex_string(start_pc)); else - printf ("Line %d of \"%s\" starts at pc 0x%x and ends at 0x%x.\n", - sal.line, sal.symtab->filename, start_pc, end_pc); + printf ("Line %d of \"%s\" starts at pc %s", + sal.line, sal.symtab->filename, + local_hex_string(start_pc)); + printf (" and ends at %s.\n", + local_hex_string(end_pc)); /* x/i should display this line's code. */ set_next_address (start_pc); /* Repeating "info line" should do the following line. */ @@ -1045,7 +1058,7 @@ forward_search_command (regex, from_tty) fclose (stream); print_source_lines (current_source_symtab, line, line+1, 0); - current_source_line = max (line - lines_to_list () / 2, 1); + current_source_line = max (line - lines_to_list / 2, 1); return; } line++; @@ -1118,7 +1131,7 @@ reverse_search_command (regex, from_tty) fclose (stream); print_source_lines (current_source_symtab, line, line+1, 0); - current_source_line = max (line - lines_to_list () / 2, 1); + current_source_line = max (line - lines_to_list / 2, 1); return; } line--; @@ -1189,5 +1202,11 @@ Lines can be specified in these ways:\n\ *ADDRESS, to list around the line containing that address.\n\ With two args if one is empty it stands for ten lines away from the other arg."); add_com_alias ("l", "list", class_files, 0); -} + add_show_from_set + (add_set_cmd ("listsize", class_support, var_uinteger, + (char *)&lines_to_list, + "Set number of source lines gdb will list by default.", + &setlist), + &showlist); +} |