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authorJohn Gilmore <gnu@cygnus>1991-09-19 02:40:29 +0000
committerJohn Gilmore <gnu@cygnus>1991-09-19 02:40:29 +0000
commite3af0493062fb35eceb0955a602a3d37a7766967 (patch)
tree1fc4089350cdf9107f88d3b822b9fa0aa211d933 /gdb/source.c
parent0c4d2cc2b3a353604c3320b867ce5d471fee1ecb (diff)
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* 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.c75
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);
+}