diff options
Diffstat (limited to 'gdb/gdbserver/regcache.c')
-rw-r--r-- | gdb/gdbserver/regcache.c | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/gdb/gdbserver/regcache.c b/gdb/gdbserver/regcache.c index bec20bb..701d092 100644 --- a/gdb/gdbserver/regcache.c +++ b/gdb/gdbserver/regcache.c @@ -25,7 +25,11 @@ #include <stdlib.h> #include <string.h> -static char *registers; +struct inferior_regcache_data +{ + char *registers; +}; + static int register_bytes; static struct reg *reg_defs; @@ -33,6 +37,19 @@ static int num_registers; const char **gdbserver_expedite_regs; +static struct inferior_regcache_data * +get_regcache (struct inferior_info *inf) +{ + struct inferior_regcache_data *regcache; + + regcache = (struct inferior_regcache_data *) inferior_regcache_data (inf); + + if (regcache == NULL) + fatal ("no register cache"); + + return regcache; +} + int registers_length (void) { @@ -40,6 +57,28 @@ registers_length (void) } void +create_register_cache (struct inferior_info *inferior) +{ + struct inferior_regcache_data *regcache; + + regcache = malloc (sizeof (*regcache)); + + regcache->registers = malloc (register_bytes); + if (regcache->registers == NULL) + fatal ("Could not allocate register cache."); + + set_inferior_regcache_data (inferior, regcache); +} + +void +free_register_cache (struct inferior_info *inferior) +{ + free (get_regcache (current_inferior)->registers); + free (get_regcache (current_inferior)); + set_inferior_regcache_data (inferior, NULL); +} + +void set_register_cache (struct reg *regs, int n) { int offset, i; @@ -55,14 +94,13 @@ set_register_cache (struct reg *regs, int n) } register_bytes = offset / 8; - registers = malloc (offset / 8); - if (!registers) - fatal ("Could not allocate register cache."); } void registers_to_string (char *buf) { + char *registers = get_regcache (current_inferior)->registers; + convert_int_to_ascii (registers, buf, register_bytes); } @@ -70,6 +108,7 @@ void registers_from_string (char *buf) { int len = strlen (buf); + char *registers = get_regcache (current_inferior)->registers; if (len != register_bytes * 2) { @@ -119,29 +158,31 @@ register_size (int n) char * register_data (int n) { + char *registers = get_regcache (current_inferior)->registers; + return registers + (reg_defs[n].offset / 8); } void -supply_register (int n, const char *buf) +supply_register (int n, const void *buf) { memcpy (register_data (n), buf, register_size (n)); } void -supply_register_by_name (const char *name, const char *buf) +supply_register_by_name (const char *name, const void *buf) { supply_register (find_regno (name), buf); } void -collect_register (int n, char *buf) +collect_register (int n, void *buf) { memcpy (buf, register_data (n), register_size (n)); } void -collect_register_by_name (const char *name, char *buf) +collect_register_by_name (const char *name, void *buf) { collect_register (find_regno (name), buf); } |