From 51be5b68a5d97470c5f6e7ef1d43603a100c18f6 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Thu, 26 May 2011 14:21:24 +0000 Subject: [PATCH] 2011-05-26 Pedro Alves gdb/ * breakpoint.c (iterate_over_related_breakpoints): New. (do_map_delete_breakpoint): New. (delete_command): Pass do_map_delete_breakpoint to map_breakpoint_numbers. (do_disable_breakpoint): New. (do_map_disable_breakpoint): Iterate over the breakpoint's related breakpoints. (do_enable_breakpoint): Rename to ... (enable_breakpoint_disp): ... this. (enable_breakpoint): Adjust. (do_enable_breakpoint): New. (enable_once_breakpoint): Delete. (do_map_enable_breakpoint): New. (do_map_enable_once_breakpoint): New. (enable_once_command, enable_delete_command) (delete_trace_command): Iterate over the breakpoint's related breakpoints. --- gdb/ChangeLog | 20 ++++++++++++ gdb/breakpoint.c | 99 +++++++++++++++++++++++++++++++++++++++++++++++--------- 2 files changed, 104 insertions(+), 15 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 76c56ea..bc5620c 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,25 @@ 2011-05-26 Pedro Alves + * breakpoint.c (iterate_over_related_breakpoints): New. + (do_map_delete_breakpoint): New. + (delete_command): Pass do_map_delete_breakpoint to + map_breakpoint_numbers. + (do_disable_breakpoint): New. + (do_map_disable_breakpoint): Iterate over the breakpoint's related + breakpoints. + (do_enable_breakpoint): Rename to ... + (enable_breakpoint_disp): ... this. + (enable_breakpoint): Adjust. + (do_enable_breakpoint): New. + (enable_once_breakpoint): Delete. + (do_map_enable_breakpoint): New. + (do_map_enable_once_breakpoint): New. + (enable_once_command, enable_delete_command) + (delete_trace_command): Iterate over the breakpoint's related + breakpoints. + +2011-05-26 Pedro Alves + * alpha-tdep.c (alpha_cannot_fetch_register): Don't return true for ALPHA_ZERO_REGNUM. (alpha_supply_int_regs): Explicitly supply zero as the value for diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c index 1da1f9c..5995c64 100644 --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -176,7 +176,7 @@ static void hbreak_command (char *, int); static void thbreak_command (char *, int); -static void do_enable_breakpoint (struct breakpoint *, enum bpdisp); +static void enable_breakpoint_disp (struct breakpoint *, enum bpdisp); static void stop_command (char *arg, int from_tty); @@ -10812,8 +10812,42 @@ make_cleanup_delete_breakpoint (struct breakpoint *b) return make_cleanup (do_delete_breakpoint_cleanup, b); } -/* A callback for map_breakpoint_numbers that calls - delete_breakpoint. */ +/* Iterator function to call a user-provided callback function once + for each of B and its related breakpoints. */ + +static void +iterate_over_related_breakpoints (struct breakpoint *b, + void (*function) (struct breakpoint *, + void *), + void *data) +{ + struct breakpoint *related; + + related = b; + do + { + struct breakpoint *next; + + /* FUNCTION may delete RELATED. */ + next = related->related_breakpoint; + + if (next == related) + { + /* RELATED is the last ring entry. */ + function (related, data); + + /* FUNCTION may have deleted it, so we'd never reach back to + B. There's nothing left to do anyway, so just break + out. */ + break; + } + else + function (related, data); + + related = next; + } + while (related != b); +} static void do_delete_breakpoint (struct breakpoint *b, void *ignore) @@ -10821,6 +10855,15 @@ do_delete_breakpoint (struct breakpoint *b, void *ignore) delete_breakpoint (b); } +/* A callback for map_breakpoint_numbers that calls + delete_breakpoint. */ + +static void +do_map_delete_breakpoint (struct breakpoint *b, void *ignore) +{ + iterate_over_related_breakpoints (b, do_delete_breakpoint, NULL); +} + void delete_command (char *arg, int from_tty) { @@ -10852,7 +10895,7 @@ delete_command (char *arg, int from_tty) } } else - map_breakpoint_numbers (arg, do_delete_breakpoint, NULL); + map_breakpoint_numbers (arg, do_map_delete_breakpoint, NULL); } static int @@ -11672,13 +11715,21 @@ disable_breakpoint (struct breakpoint *bpt) observer_notify_breakpoint_modified (bpt); } +/* A callback for iterate_over_related_breakpoints. */ + +static void +do_disable_breakpoint (struct breakpoint *b, void *ignore) +{ + disable_breakpoint (b); +} + /* A callback for map_breakpoint_numbers that calls disable_breakpoint. */ static void do_map_disable_breakpoint (struct breakpoint *b, void *ignore) { - disable_breakpoint (b); + iterate_over_related_breakpoints (b, do_disable_breakpoint, NULL); } static void @@ -11710,7 +11761,7 @@ disable_command (char *args, int from_tty) } static void -do_enable_breakpoint (struct breakpoint *bpt, enum bpdisp disposition) +enable_breakpoint_disp (struct breakpoint *bpt, enum bpdisp disposition) { int target_resources_ok; @@ -11771,7 +11822,13 @@ do_enable_breakpoint (struct breakpoint *bpt, enum bpdisp disposition) void enable_breakpoint (struct breakpoint *bpt) { - do_enable_breakpoint (bpt, bpt->disposition); + enable_breakpoint_disp (bpt, bpt->disposition); +} + +static void +do_enable_breakpoint (struct breakpoint *bpt, void *arg) +{ + enable_breakpoint (bpt); } /* A callback for map_breakpoint_numbers that calls @@ -11780,7 +11837,7 @@ enable_breakpoint (struct breakpoint *bpt) static void do_map_enable_breakpoint (struct breakpoint *b, void *ignore) { - enable_breakpoint (b); + iterate_over_related_breakpoints (b, do_enable_breakpoint, NULL); } /* The enable command enables the specified breakpoints (or all defined @@ -11816,27 +11873,39 @@ enable_command (char *args, int from_tty) } static void -enable_once_breakpoint (struct breakpoint *bpt, void *ignore) +do_enable_breakpoint_disp (struct breakpoint *bpt, void *arg) +{ + enum bpdisp disp = *(enum bpdisp *) arg; + + enable_breakpoint_disp (bpt, disp); +} + +static void +do_map_enable_once_breakpoint (struct breakpoint *bpt, void *ignore) { - do_enable_breakpoint (bpt, disp_disable); + enum bpdisp disp = disp_disable; + + iterate_over_related_breakpoints (bpt, do_enable_breakpoint_disp, &disp); } static void enable_once_command (char *args, int from_tty) { - map_breakpoint_numbers (args, enable_once_breakpoint, NULL); + map_breakpoint_numbers (args, do_map_enable_once_breakpoint, NULL); } static void -enable_delete_breakpoint (struct breakpoint *bpt, void *ignore) +do_map_enable_delete_breakpoint (struct breakpoint *bpt, void *ignore) { - do_enable_breakpoint (bpt, disp_del); + enum bpdisp disp = disp_del; + + iterate_over_related_breakpoints (bpt, do_enable_breakpoint_disp, &disp); } static void enable_delete_command (char *args, int from_tty) { - map_breakpoint_numbers (args, enable_delete_breakpoint, NULL); + map_breakpoint_numbers (args, do_map_enable_delete_breakpoint, NULL); } static void @@ -12362,7 +12431,7 @@ delete_trace_command (char *arg, int from_tty) } } else - map_breakpoint_numbers (arg, do_delete_breakpoint, NULL); + map_breakpoint_numbers (arg, do_map_delete_breakpoint, NULL); } /* Helper function for trace_pass_command. */ -- 2.7.4