diff options
| -rw-r--r-- | breakpoint.h | 9 | ||||
| -rw-r--r-- | breakpoints.c | 11 |
2 files changed, 18 insertions, 2 deletions
diff --git a/breakpoint.h b/breakpoint.h index 95964a8..c36f673 100644 --- a/breakpoint.h +++ b/breakpoint.h @@ -1,6 +1,6 @@ /* * This file is part of ltrace. - * Copyright (C) 2012, 2013 Petr Machata, Red Hat Inc. + * Copyright (C) 2012,2013,2014 Petr Machata, Red Hat Inc. * Copyright (C) 2009 Juan Cespedes * * This program is free software; you can redistribute it and/or @@ -46,6 +46,7 @@ struct bp_callbacks { void (*on_hit)(struct breakpoint *bp, struct process *proc); void (*on_continue)(struct breakpoint *bp, struct process *proc); + void (*on_install)(struct breakpoint *bp, struct process *proc); void (*on_retract)(struct breakpoint *bp, struct process *proc); /* Create a new breakpoint that should handle return from the @@ -84,6 +85,12 @@ void breakpoint_on_continue(struct breakpoint *bp, struct process *proc); * the instruction underneath it). */ void breakpoint_on_retract(struct breakpoint *bp, struct process *proc); +/* Call ON_INSTALL handler of BP, if any is set. This should be + * called after the breakpoint is enabled for the first time, not + * every time it's enabled (such as after stepping over a site of a + * temporarily disabled breakpoint). */ +void breakpoint_on_install(struct breakpoint *bp, struct process *proc); + /* Call GET_RETURN_BP handler of BP, if any is set. If none is set, * call CREATE_DEFAULT_RETURN_BP to obtain one. */ int breakpoint_get_return_bp(struct breakpoint **ret, diff --git a/breakpoints.c b/breakpoints.c index 947cb71..c3fa275 100644 --- a/breakpoints.c +++ b/breakpoints.c @@ -1,6 +1,6 @@ /* * This file is part of ltrace. - * Copyright (C) 2006,2007,2011,2012,2013 Petr Machata, Red Hat Inc. + * Copyright (C) 2006,2007,2011,2012,2013,2014 Petr Machata, Red Hat Inc. * Copyright (C) 2009 Juan Cespedes * Copyright (C) 1998,2001,2002,2003,2007,2008,2009 Juan Cespedes * Copyright (C) 2006 Ian Wienand @@ -85,6 +85,14 @@ breakpoint_on_retract(struct breakpoint *bp, struct process *proc) (bp->cbs->on_retract)(bp, proc); } +void +breakpoint_on_install(struct breakpoint *bp, struct process *proc) +{ + assert(bp != NULL); + if (bp->cbs != NULL && bp->cbs->on_install != NULL) + (bp->cbs->on_install)(bp, proc); +} + int breakpoint_get_return_bp(struct breakpoint **ret, struct breakpoint *bp, struct process *proc) @@ -229,6 +237,7 @@ breakpoint_turn_on(struct breakpoint *bp, struct process *proc) if (bp->enabled == 1) { assert(proc->pid != 0); enable_breakpoint(proc, bp); + breakpoint_on_install(bp, proc); } return 0; } |