diff options
| author | Marcin Kościelnicki <koriakin@0x04.net> | 2016-01-07 17:19:25 +0100 |
|---|---|---|
| committer | Marcin Kościelnicki <koriakin@0x04.net> | 2016-03-09 18:41:53 +0100 |
| commit | 2a2fa07bd121498a492f84312a36629383fc9445 (patch) | |
| tree | ea97716cc818c299a6559ead9984b6b90edc56d8 | |
| parent | fd91f0024caec4cbca0c53a175cfaa9bc2c5dc5a (diff) | |
| download | binutils-gdb-2a2fa07bd121498a492f84312a36629383fc9445.tar.gz | |
gdb: Add ax_pseudo_register_collect for powerpc.
gdb/ChangeLog:
* rs6000-tdep.c (rs6000_ax_pseudo_register_collect): New function.
(rs6000_gdbarch_init): Wire in the above.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/rs6000-tdep.c | 46 |
2 files changed, 51 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 6c33877d9d2..f2d21d81acc 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2016-03-09 Marcin Kościelnicki <koriakin@0x04.net> + + * rs6000-tdep.c (rs6000_ax_pseudo_register_collect): New function. + (rs6000_gdbarch_init): Wire in the above. + 2016-03-09 Andreas Arnez <arnez@linux.vnet.ibm.com> * s390-linux-tdep.c (s390_analyze_prologue): Ignore BRC and BRCL diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index c2b66384919..3bcd20515b6 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -2919,6 +2919,50 @@ rs6000_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_register_name (gdbarch, reg_nr), reg_nr); } +static int +rs6000_ax_pseudo_register_collect (struct gdbarch *gdbarch, + struct agent_expr *ax, int reg_nr) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + if (IS_SPE_PSEUDOREG (tdep, reg_nr)) + { + int reg_index = reg_nr - tdep->ppc_ev0_regnum; + ax_reg_mask (ax, tdep->ppc_gp0_regnum + reg_index); + ax_reg_mask (ax, tdep->ppc_ev0_upper_regnum + reg_index); + } + else if (IS_DFP_PSEUDOREG (tdep, reg_nr)) + { + int reg_index = reg_nr - tdep->ppc_dl0_regnum; + ax_reg_mask (ax, tdep->ppc_fp0_regnum + 2 * reg_index); + ax_reg_mask (ax, tdep->ppc_fp0_regnum + 2 * reg_index + 1); + } + else if (IS_VSX_PSEUDOREG (tdep, reg_nr)) + { + int reg_index = reg_nr - tdep->ppc_vsr0_regnum; + if (reg_index > 31) + { + ax_reg_mask (ax, tdep->ppc_vr0_regnum + reg_index - 32); + } + else + { + ax_reg_mask (ax, tdep->ppc_fp0_regnum + reg_index); + ax_reg_mask (ax, tdep->ppc_vsr0_upper_regnum + reg_index); + } + } + else if (IS_EFP_PSEUDOREG (tdep, reg_nr)) + { + int reg_index = reg_nr - tdep->ppc_efpr0_regnum; + ax_reg_mask (ax, tdep->ppc_vr0_regnum + reg_index); + } + else + internal_error (__FILE__, __LINE__, + _("rs6000_pseudo_register_collect: " + "called on unexpected register '%s' (%d)"), + gdbarch_register_name (gdbarch, reg_nr), reg_nr); + return 0; +} + + /* Convert a DBX STABS register number to a GDB register number. */ static int rs6000_stab_reg_to_regnum (struct gdbarch *gdbarch, int num) @@ -5924,6 +5968,8 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_pseudo_register_read (gdbarch, rs6000_pseudo_register_read); set_gdbarch_pseudo_register_write (gdbarch, rs6000_pseudo_register_write); + set_gdbarch_ax_pseudo_register_collect (gdbarch, + rs6000_ax_pseudo_register_collect); } set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1); |