diff options
| -rw-r--r-- | gdb/hppa-tdep.h | 1 | ||||
| -rw-r--r-- | gdb/hppabsd-nat.c | 68 |
2 files changed, 69 insertions, 0 deletions
diff --git a/gdb/hppa-tdep.h b/gdb/hppa-tdep.h index 699a4f8..adaddae 100644 --- a/gdb/hppa-tdep.h +++ b/gdb/hppa-tdep.h @@ -68,6 +68,7 @@ enum hppa_regnum HPPA_FP0_REGNUM = 64, /* First floating-point. */ HPPA_FP4_REGNUM = 72, HPPA64_FP4_REGNUM = 68, + HPPA_FP31R_REGNUM = 127, /* Last floating-point. */ HPPA_ARG0_REGNUM = 26, /* The first argument of a callee. */ HPPA_ARG1_REGNUM = 25, /* The second argument of a callee. */ diff --git a/gdb/hppabsd-nat.c b/gdb/hppabsd-nat.c index 438aaa5..0ffc018 100644 --- a/gdb/hppabsd-nat.c +++ b/gdb/hppabsd-nat.c @@ -37,6 +37,12 @@ hppabsd_gregset_supplies_p (int regnum) return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_PCOQ_TAIL_REGNUM); } +static int +hppabsd_fpregset_supplies_p (int regnum) +{ + return (regnum >= HPPA_FP0_REGNUM && regnum <= HPPA_FP31R_REGNUM); +} + /* Supply the general-purpose registers stored in GREGS to REGCACHE. */ static void @@ -53,6 +59,22 @@ hppabsd_supply_gregset (struct regcache *regcache, const void *gregs) regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4); } +/* Supply the floating-point registers stored in FPREGS to REGCACHE. */ + +static void +hppabsd_supply_fpregset (struct regcache *regcache, const void *fpregs) +{ + const char *regs = fpregs; + int regnum; + + for (regnum = HPPA_FP0_REGNUM; regnum <= HPPA_FP31R_REGNUM; + regnum += 2, regs += 8) + { + regcache_raw_supply (regcache, regnum, regs); + regcache_raw_supply (regcache, regnum + 1, regs + 4); + } +} + /* Collect the general-purpose registers from REGCACHE and store them in GREGS. */ @@ -76,6 +98,26 @@ hppabsd_collect_gregset (const struct regcache *regcache, if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM) regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4); } + +/* Collect the floating-point registers from REGCACHE and store them + in FPREGS. */ + +static void +hppabsd_collect_fpregset (struct regcache *regcache, + void *fpregs, int regnum) +{ + char *regs = fpregs; + int i; + + for (i = HPPA_FP0_REGNUM; i <= HPPA_FP31R_REGNUM; i += 2, regs += 8) + { + if (regnum == -1 || regnum == i || regnum == i + 1) + { + regcache_raw_collect (regcache, i, regs); + regcache_raw_collect (regcache, i + 1, regs + 4); + } + } +} /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this @@ -96,6 +138,17 @@ hppabsd_fetch_registers (int regnum) hppabsd_supply_gregset (regcache, ®s); } + + if (regnum == -1 || hppabsd_fpregset_supplies_p (regnum)) + { + struct fpreg fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) + perror_with_name (_("Couldn't get floating point status")); + + hppabsd_supply_fpregset (current_regcache, &fpregs); + } } /* Store register REGNUM back into the inferior. If REGNUM is -1, do @@ -118,6 +171,21 @@ hppabsd_store_registers (int regnum) (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't write registers")); } + + if (regnum == -1 || hppabsd_fpregset_supplies_p (regnum)) + { + struct fpreg fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) + perror_with_name (_("Couldn't get floating point status")); + + hppabsd_collect_fpregset (current_regcache, &fpregs, regnum); + + if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), + (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) + perror_with_name (_("Couldn't write floating point status")); + } } /* Provide a prototype to silence -Wmissing-prototypes. */ |