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* sh-tdep.c (sh_pseudo_register_read): Add PSEUDO_BANK_REGNUM handling.

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(sh_pseudo_register_write): Ditto.
This commit is contained in:
Corinna Vinschen 2004-10-06 08:57:38 +00:00
parent 03131d99d3
commit 9bed62d7af
2 changed files with 21 additions and 1 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2004-10-06 Corinna Vinschen <vinschen@redhat.com>
* sh-tdep.c (sh_pseudo_register_read): Add PSEUDO_BANK_REGNUM handling.
(sh_pseudo_register_write): Ditto.
2004-10-06 Corinna Vinschen <vinschen@redhat.com>
* sh-tdep.c (IS_MACL_STS): New define.

17
gdb/sh-tdep.c
View File

@ -1866,6 +1866,9 @@ sh_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
int base_regnum, portion;
char temp_buffer[MAX_REGISTER_SIZE];
if (reg_nr == PSEUDO_BANK_REGNUM)
regcache_raw_read (regcache, BANK_REGNUM, buffer);
else
if (reg_nr >= DR0_REGNUM && reg_nr <= DR_LAST_REGNUM)
{
base_regnum = dr_reg_base_num (reg_nr);
@ -1902,7 +1905,19 @@ sh_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
int base_regnum, portion;
char temp_buffer[MAX_REGISTER_SIZE];
if (reg_nr >= DR0_REGNUM && reg_nr <= DR_LAST_REGNUM)
if (reg_nr == PSEUDO_BANK_REGNUM)
{
/* When the bank register is written to, the whole register bank
is switched and all values in the bank registers must be read
from the target/sim again. We're just invalidating the regcache
so that a re-read happens next time it's necessary. */
int bregnum;
regcache_raw_write (regcache, BANK_REGNUM, buffer);
for (bregnum = R0_BANK0_REGNUM; bregnum < MACLB_REGNUM; ++bregnum)
set_register_cached (bregnum, 0);
}
else if (reg_nr >= DR0_REGNUM && reg_nr <= DR_LAST_REGNUM)
{
base_regnum = dr_reg_base_num (reg_nr);