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| author | Andrew Cagney <cagney@redhat.com> | 2005-01-26 21:53:06 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2005-01-26 21:53:06 +0000 |
| commit | c44ca51c0b3ebab53b749299118af13fd2b890e5 (patch) | |
| tree | 929c4c9e5e317111776b0f18e63d6557bf49e49e /gdb | |
| parent | c600d464c08b048bd0fad661d16e7e1440a2a7ba (diff) | |
| download | gdb-c44ca51c0b3ebab53b749299118af13fd2b890e5.zip gdb-c44ca51c0b3ebab53b749299118af13fd2b890e5.tar.gz gdb-c44ca51c0b3ebab53b749299118af13fd2b890e5.tar.bz2 | |
2005-01-26 Andrew Cagney <cagney@gnu.org>
* rs6000-tdep.c: Include "reggroups.h".
(rs6000_gdbarch_init): Set register_reggroup_p.
(rs6000_register_reggroup_p): New function.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/rs6000-tdep.c | 55 |
2 files changed, 61 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 358745c..afc88da 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2005-01-26 Andrew Cagney <cagney@gnu.org> + + * rs6000-tdep.c: Include "reggroups.h". + (rs6000_gdbarch_init): Set register_reggroup_p. + (rs6000_register_reggroup_p): New function. + 2005-01-26 Orjan Friberg <orjanf@axis.com> * cris-tdep.c (enum cris_num_regs, enum cris_regnums) diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 96ee67d..5c46615 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -59,6 +59,8 @@ #include "frame-unwind.h" #include "frame-base.h" +#include "reggroups.h" + /* If the kernel has to deliver a signal, it pushes a sigcontext structure on the stack and then calls the signal handler, passing the address of the sigcontext in an argument register. Usually @@ -1861,6 +1863,58 @@ rs6000_register_type (struct gdbarch *gdbarch, int n) } } +/* Is REGNUM a member of REGGROUP? */ +static int +rs6000_register_reggroup_p (struct gdbarch *gdbarch, int regnum, + struct reggroup *group) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + int float_p; + int vector_p; + int general_p; + + if (REGISTER_NAME (regnum) == NULL + || *REGISTER_NAME (regnum) == '\0') + return 0; + if (group == all_reggroup) + return 1; + + float_p = (regnum == tdep->ppc_fpscr_regnum + || (regnum >= tdep->ppc_fp0_regnum + && regnum < tdep->ppc_fp0_regnum + 32)); + if (group == float_reggroup) + return float_p; + + vector_p = ((regnum >= tdep->ppc_vr0_regnum + && regnum < tdep->ppc_vr0_regnum + 32) + || (regnum >= tdep->ppc_ev0_regnum + && regnum < tdep->ppc_ev0_regnum + 32) + || regnum == tdep->ppc_vrsave_regnum + || regnum == tdep->ppc_acc_regnum + || regnum == tdep->ppc_spefscr_regnum); + if (group == vector_reggroup) + return vector_p; + + /* Note that PS aka MSR isn't included - it's a system register (and + besides, due to GCC's CFI foobar you do not want to restore + it). */ + general_p = ((regnum >= tdep->ppc_gp0_regnum + && regnum < tdep->ppc_gp0_regnum + 32) + || regnum == tdep->ppc_toc_regnum + || regnum == tdep->ppc_cr_regnum + || regnum == tdep->ppc_lr_regnum + || regnum == tdep->ppc_ctr_regnum + || regnum == tdep->ppc_xer_regnum + || regnum == PC_REGNUM); + if (group == general_reggroup) + return general_p; + + if (group == save_reggroup || group == restore_reggroup) + return general_p || vector_p || float_p; + + return 0; +} + /* The register format for RS/6000 floating point registers is always double, we need a conversion if the memory format is float. */ @@ -3218,6 +3272,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_num_pseudo_regs (gdbarch, v->npregs); set_gdbarch_register_name (gdbarch, rs6000_register_name); set_gdbarch_register_type (gdbarch, rs6000_register_type); + set_gdbarch_register_reggroup_p (gdbarch, rs6000_register_reggroup_p); set_gdbarch_ptr_bit (gdbarch, wordsize * TARGET_CHAR_BIT); set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT); |