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| author | Corinna Vinschen <corinna@vinschen.de> | 2004-10-06 08:57:38 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2004-10-06 08:57:38 +0000 |
| commit | 9bed62d7af4f64fa3fd1f320d05da3d45bb4ea0a (patch) | |
| tree | 07885a0ffd883aa6f2bfbe934e6f76f9247b99d6 /gdb/sh-tdep.c | |
| parent | 03131d99d39823574e8c0369f43a4eed4e885ca8 (diff) | |
| download | binutils-gdb-9bed62d7af4f64fa3fd1f320d05da3d45bb4ea0a.tar.gz | |
* sh-tdep.c (sh_pseudo_register_read): Add PSEUDO_BANK_REGNUM handling.
(sh_pseudo_register_write): Ditto.
Diffstat (limited to 'gdb/sh-tdep.c')
| -rw-r--r-- | gdb/sh-tdep.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c index 80a6be9fc87..bfed7033545 100644 --- a/gdb/sh-tdep.c +++ b/gdb/sh-tdep.c @@ -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); |