diff options
Diffstat (limited to 'sim/common/sim-utils.c')
| -rw-r--r-- | sim/common/sim-utils.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/sim/common/sim-utils.c b/sim/common/sim-utils.c index aee2ed9..8327c5e 100644 --- a/sim/common/sim-utils.c +++ b/sim/common/sim-utils.c @@ -1,5 +1,5 @@ /* Miscellaneous simulator utilities. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1998 Free Software Foundation, Inc. Contributed by Cygnus Support. This file is part of GDB, the GNU debugger. @@ -76,7 +76,6 @@ SIM_DESC sim_state_alloc (SIM_OPEN_KIND kind, host_callback *callback) { - int cpu_nr; SIM_DESC sd = ZALLOC (struct sim_state); STATE_MAGIC (sd) = SIM_MAGIC_NUMBER; @@ -84,15 +83,19 @@ sim_state_alloc (SIM_OPEN_KIND kind, STATE_OPEN_KIND (sd) = kind; #if 0 - /* Initialize the back link from the cpu struct to the state struct. */ - /* ??? I can envision a design where the state struct contains an array - of pointers to cpu structs, rather than an array of structs themselves. - Implementing this is trickier as one may not know what to allocate until - one has parsed the args. Parsing the args twice wouldn't be unreasonable, - IMHO. If the state struct ever does contain an array of pointers then we - can't do this here. */ - for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) - CPU_STATE (STATE_CPU (sd, cpu_nr)) = sd; + { + int cpu_nr; + + /* Initialize the back link from the cpu struct to the state struct. */ + /* ??? I can envision a design where the state struct contains an array + of pointers to cpu structs, rather than an array of structs themselves. + Implementing this is trickier as one may not know what to allocate until + one has parsed the args. Parsing the args twice wouldn't be unreasonable, + IMHO. If the state struct ever does contain an array of pointers then we + can't do this here. */ + for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) + CPU_STATE (STATE_CPU (sd, cpu_nr)) = sd; + } #endif #ifdef SIM_STATE_INIT @@ -116,6 +119,19 @@ sim_state_free (SIM_DESC sd) zfree (sd); } +/* Return a pointer to the cpu data for CPU_NAME, or NULL if not found. */ + +sim_cpu * +sim_cpu_lookup (SIM_DESC sd, const char *cpu_name) +{ + int i; + + for (i = 0; i < MAX_NR_PROCESSORS; ++i) + if (strcmp (cpu_name, CPU_NAME (STATE_CPU (sd, i))) == 0) + return STATE_CPU (sd, i); + return NULL; +} + /* Turn VALUE into a string with commas. */ char * |