X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fppc-linux-nat.c;h=90a99192864401932cef2c498e3be72550369d2d;hb=dbdb27ec2d5ddeb8a214181881ab616ebe47b0cf;hp=987c64bcf88fa790396f61f14c9dfdb18efb254f;hpb=9cbc6ef04e5d04231f2ac1c4b7fd9848d9a2b3b0;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c index 987c64bcf8..90a9919286 100644 --- a/gdb/ppc-linux-nat.c +++ b/gdb/ppc-linux-nat.c @@ -123,12 +123,10 @@ typedef char gdb_vrregset_t[SIZEOF_VRREGS]; some SPE-specific registers. GDB itself continues to claim the general-purpose registers are 32 - bits long; the full 64-bit registers are called 'ev0' -- 'ev31'. - The ev registers are raw registers, and the GPR's are pseudo- - registers mapped onto their lower halves. This means that reading - and writing ev registers involves a mix of regset-at-once - PTRACE_{GET,SET}EVRREGS calls and register-at-a-time - PTRACE_{PEEK,POKE}USR calls. + bits long. It has unnamed raw registers that hold the upper halves + of the gprs, and the the full 64-bit SIMD views of the registers, + 'ev0' -- 'ev31', are pseudo-registers that splice the top and + bottom halves together. This is the structure filled in by PTRACE_GETEVRREGS and written to the inferior's registers by PTRACE_SETEVRREGS. */ @@ -214,8 +212,19 @@ ppc_register_u_addr (int regno) u_addr = PT_MSR * wordsize; if (tdep->ppc_fpscr_regnum >= 0 && regno == tdep->ppc_fpscr_regnum) - u_addr = PT_FPSCR * wordsize; - + { + /* NOTE: cagney/2005-02-08: On some 64-bit GNU/Linux systems the + kernel headers incorrectly contained the 32-bit definition of + PT_FPSCR. For the 32-bit definition, floating-point + registers occupy two 32-bit "slots", and the FPSCR lives in + the secondhalf of such a slot-pair (hence +1). For 64-bit, + the FPSCR instead occupies the full 64-bit 2-word-slot and + hence no adjustment is necessary. Hack around this. */ + if (wordsize == 8 && PT_FPSCR == (48 + 32 + 1)) + u_addr = (48 + 32) * wordsize; + else + u_addr = PT_FPSCR * wordsize; + } return u_addr; } @@ -229,7 +238,7 @@ fetch_altivec_register (int tid, int regno) int offset = 0; gdb_vrregset_t regs; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - int vrregsize = DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vr0_regnum); + int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); ret = ptrace (PTRACE_GETVRREGS, tid, 0, ®s); if (ret < 0) @@ -239,7 +248,7 @@ fetch_altivec_register (int tid, int regno) have_ptrace_getvrregs = 0; return; } - perror_with_name ("Unable to fetch AltiVec register"); + perror_with_name (_("Unable to fetch AltiVec register")); } /* VSCR is fetched as a 16 bytes quantity, but it is really 4 bytes @@ -247,10 +256,10 @@ fetch_altivec_register (int tid, int regno) vector. VRSAVE is at the end of the array in a 4 bytes slot, so there is no need to define an offset for it. */ if (regno == (tdep->ppc_vrsave_regnum - 1)) - offset = vrregsize - DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vrsave_regnum); + offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); - supply_register (regno, - regs + (regno - tdep->ppc_vr0_regnum) * vrregsize + offset); + regcache_raw_supply (current_regcache, regno, + regs + (regno - tdep->ppc_vr0_regnum) * vrregsize + offset); } /* Fetch the top 32 bits of TID's general-purpose registers and the @@ -276,112 +285,53 @@ get_spe_registers (int tid, struct gdb_evrregset_t *evrregset) have_ptrace_getsetevrregs = 0; else /* Anything else needs to be reported. */ - perror_with_name ("Unable to fetch SPE registers"); + perror_with_name (_("Unable to fetch SPE registers")); } } memset (evrregset, 0, sizeof (*evrregset)); } -/* Assuming TID refers to an SPE process, store the full 64-bit value - of TID's ev register EV_REGNUM in DEST, getting the high bits from - EVRREGS and the low bits from the kernel via ptrace. */ -static void -read_spliced_spe_reg (int tid, int ev_regnum, - struct gdb_evrregset_t *evrregs, - char *dest) -{ - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - - /* Make sure we're trying to read an EV register; that's all we - handle. */ - gdb_assert (tdep->ppc_ev0_regnum <= ev_regnum - && ev_regnum <= tdep->ppc_ev31_regnum); - - /* Make sure the sizes for the splicing add up. */ - gdb_assert (sizeof (evrregs->evr[0]) + sizeof (PTRACE_XFER_TYPE) - == register_size (current_gdbarch, ev_regnum)); - - { - /* The index of ev_regnum in evrregs->evr[]. */ - int ev_index = ev_regnum - tdep->ppc_ev0_regnum; - - /* The number of the corresponding general-purpose register, which - holds the lower 32 bits of the EV register. */ - int gpr_regnum = tdep->ppc_gp0_regnum + ev_index; - - /* The offset of gpr_regnum in the process's uarea. */ - CORE_ADDR gpr_uoffset = ppc_register_u_addr (gpr_regnum); - - /* The low word of the EV register's value. */ - PTRACE_XFER_TYPE low_word; - - /* The PTRACE_PEEKUSR / PT_READ_U ptrace requests need to be able - to return arbitrary register values, so they can't return -1 to - indicate an error. So we clear errno, and then check it after - the call. */ - errno = 0; - low_word = ptrace (PT_READ_U, tid, (PTRACE_ARG3_TYPE) gpr_uoffset, 0); - - if (errno != 0) - { - char message[128]; - sprintf (message, "reading register %s (#%d)", - REGISTER_NAME (ev_regnum), ev_regnum); - perror_with_name (message); - } - - if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) - { - memcpy (dest, &evrregs->evr[ev_index], - sizeof (evrregs->evr[ev_index])); - * (PTRACE_XFER_TYPE *) (dest + sizeof (evrregs->evr[ev_index])) - = low_word; - } - else if (TARGET_BYTE_ORDER == BFD_ENDIAN_LITTLE) - { - * (PTRACE_XFER_TYPE *) dest = low_word; - memcpy (dest + sizeof (PTRACE_XFER_TYPE), - &evrregs->evr[ev_index], sizeof (evrregs->evr[ev_index])); - } - else - gdb_assert (0); - } -} - - -/* On SPE machines, supply the full value of the SPE register REGNO - from TID. This handles ev0 -- ev31 and acc, which are 64 bits - long, and spefscr, which is 32 bits long. */ +/* Supply values from TID for SPE-specific raw registers: the upper + halves of the GPRs, the accumulator, and the spefscr. REGNO must + be the number of an upper half register, acc, spefscr, or -1 to + supply the values of all registers. */ static void fetch_spe_register (int tid, int regno) { struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); struct gdb_evrregset_t evrregs; + gdb_assert (sizeof (evrregs.evr[0]) + == register_size (current_gdbarch, tdep->ppc_ev0_upper_regnum)); + gdb_assert (sizeof (evrregs.acc) + == register_size (current_gdbarch, tdep->ppc_acc_regnum)); + gdb_assert (sizeof (evrregs.spefscr) + == register_size (current_gdbarch, tdep->ppc_spefscr_regnum)); + get_spe_registers (tid, &evrregs); - if (tdep->ppc_ev0_regnum <= regno - && regno <= tdep->ppc_ev31_regnum) - { - char buf[MAX_REGISTER_SIZE]; - read_spliced_spe_reg (tid, regno, &evrregs, buf); - supply_register (regno, buf); - } - else if (regno == tdep->ppc_acc_regnum) - { - gdb_assert (sizeof (evrregs.acc) - == register_size (current_gdbarch, regno)); - supply_register (regno, &evrregs.acc); - } - else if (regno == tdep->ppc_spefscr_regnum) + if (regno == -1) { - gdb_assert (sizeof (evrregs.spefscr) - == register_size (current_gdbarch, regno)); - supply_register (regno, &evrregs.spefscr); + int i; + + for (i = 0; i < ppc_num_gprs; i++) + regcache_raw_supply (current_regcache, tdep->ppc_ev0_upper_regnum + i, + &evrregs.evr[i]); } - else - gdb_assert (0); + else if (tdep->ppc_ev0_upper_regnum <= regno + && regno < tdep->ppc_ev0_upper_regnum + ppc_num_gprs) + regcache_raw_supply (current_regcache, regno, + &evrregs.evr[regno - tdep->ppc_ev0_upper_regnum]); + + if (regno == -1 + || regno == tdep->ppc_acc_regnum) + regcache_raw_supply (current_regcache, tdep->ppc_acc_regnum, &evrregs.acc); + + if (regno == -1 + || regno == tdep->ppc_spefscr_regnum) + regcache_raw_supply (current_regcache, tdep->ppc_spefscr_regnum, + &evrregs.spefscr); } static void @@ -394,12 +344,6 @@ fetch_register (int tid, int regno) unsigned int offset; /* Offset of registers within the u area. */ char buf[MAX_REGISTER_SIZE]; - /* Sanity check: this function should only be called to fetch raw - registers' values, never pseudoregisters' values. */ - if (tdep->ppc_gp0_regnum <= regno - && regno < tdep->ppc_gp0_regnum + ppc_num_gprs) - gdb_assert (! tdep->ppc_gprs_pseudo_p); - if (altivec_register_p (regno)) { /* If this is the first time through, or if it is not the first @@ -423,8 +367,8 @@ fetch_register (int tid, int regno) if (regaddr == -1) { - memset (buf, '\0', DEPRECATED_REGISTER_RAW_SIZE (regno)); /* Supply zeroes */ - supply_register (regno, buf); + memset (buf, '\0', register_size (current_gdbarch, regno)); /* Supply zeroes */ + regcache_raw_supply (current_regcache, regno, buf); return; } @@ -466,7 +410,9 @@ fetch_register (int tid, int regno) regcache_raw_supply (current_regcache, regno, buf + padding); } else - gdb_assert (0); + internal_error (__FILE__, __LINE__, + _("fetch_register: unexpected byte order: %d"), + gdbarch_byte_order (current_gdbarch)); } static void @@ -475,8 +421,8 @@ supply_vrregset (gdb_vrregset_t *vrregsetp) int i; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); int num_of_vrregs = tdep->ppc_vrsave_regnum - tdep->ppc_vr0_regnum + 1; - int vrregsize = DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vr0_regnum); - int offset = vrregsize - DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vrsave_regnum); + int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); + int offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); for (i = 0; i < num_of_vrregs; i++) { @@ -485,10 +431,11 @@ supply_vrregset (gdb_vrregset_t *vrregsetp) occupies a whole vector, while VRSAVE occupies a full 4 bytes slot. */ if (i == (num_of_vrregs - 2)) - supply_register (tdep->ppc_vr0_regnum + i, - *vrregsetp + i * vrregsize + offset); + regcache_raw_supply (current_regcache, tdep->ppc_vr0_regnum + i, + *vrregsetp + i * vrregsize + offset); else - supply_register (tdep->ppc_vr0_regnum + i, *vrregsetp + i * vrregsize); + regcache_raw_supply (current_regcache, tdep->ppc_vr0_regnum + i, + *vrregsetp + i * vrregsize); } } @@ -506,46 +453,19 @@ fetch_altivec_registers (int tid) have_ptrace_getvrregs = 0; return; } - perror_with_name ("Unable to fetch AltiVec registers"); + perror_with_name (_("Unable to fetch AltiVec registers")); } supply_vrregset (®s); } -/* On SPE machines, fetch the full 64 bits of all the general-purpose - registers, as well as the SPE-specific registers 'acc' and - 'spefscr'. */ -static void -fetch_spe_registers (int tid) -{ - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - struct gdb_evrregset_t evrregs; - int i; - - get_spe_registers (tid, &evrregs); - - /* Splice and supply each of the EV registers. */ - for (i = 0; i < ppc_num_gprs; i++) - { - char buf[MAX_REGISTER_SIZE]; - - read_spliced_spe_reg (tid, tdep->ppc_ev0_regnum + i, &evrregs, buf); - supply_register (tdep->ppc_ev0_regnum + i, buf); - } - - /* Supply the SPE-specific registers. */ - supply_register (tdep->ppc_acc_regnum, &evrregs.acc); - supply_register (tdep->ppc_spefscr_regnum, &evrregs.spefscr); -} - static void fetch_ppc_registers (int tid) { int i; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - if (! tdep->ppc_gprs_pseudo_p) - for (i = 0; i < ppc_num_gprs; i++) - fetch_register (tid, tdep->ppc_gp0_regnum + i); + for (i = 0; i < ppc_num_gprs; i++) + fetch_register (tid, tdep->ppc_gp0_regnum + i); if (tdep->ppc_fp0_regnum >= 0) for (i = 0; i < ppc_num_fprs; i++) fetch_register (tid, tdep->ppc_fp0_regnum + i); @@ -567,8 +487,8 @@ fetch_ppc_registers (int tid) if (have_ptrace_getvrregs) if (tdep->ppc_vr0_regnum != -1 && tdep->ppc_vrsave_regnum != -1) fetch_altivec_registers (tid); - if (tdep->ppc_ev0_regnum >= 0) - fetch_spe_registers (tid); + if (tdep->ppc_ev0_upper_regnum >= 0) + fetch_spe_register (tid, -1); } /* Fetch registers from the child process. Fetch all registers if @@ -598,7 +518,7 @@ store_altivec_register (int tid, int regno) int offset = 0; gdb_vrregset_t regs; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - int vrregsize = DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vr0_regnum); + int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); ret = ptrace (PTRACE_GETVRREGS, tid, 0, ®s); if (ret < 0) @@ -608,20 +528,20 @@ store_altivec_register (int tid, int regno) have_ptrace_getvrregs = 0; return; } - perror_with_name ("Unable to fetch AltiVec register"); + perror_with_name (_("Unable to fetch AltiVec register")); } /* VSCR is fetched as a 16 bytes quantity, but it is really 4 bytes long on the hardware. */ if (regno == (tdep->ppc_vrsave_regnum - 1)) - offset = vrregsize - DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vrsave_regnum); + offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); - regcache_collect (regno, - regs + (regno - tdep->ppc_vr0_regnum) * vrregsize + offset); + regcache_raw_collect (current_regcache, regno, + regs + (regno - tdep->ppc_vr0_regnum) * vrregsize + offset); ret = ptrace (PTRACE_SETVRREGS, tid, 0, ®s); if (ret < 0) - perror_with_name ("Unable to store AltiVec register"); + perror_with_name (_("Unable to store AltiVec register")); } /* Assuming TID referrs to an SPE process, set the top halves of TID's @@ -648,107 +568,63 @@ set_spe_registers (int tid, struct gdb_evrregset_t *evrregset) have_ptrace_getsetevrregs = 0; else /* Anything else needs to be reported. */ - perror_with_name ("Unable to set SPE registers"); + perror_with_name (_("Unable to set SPE registers")); } } } -/* Store the bytes at SRC as the contents of TID's EV register EV_REGNUM. - Write the less significant word to TID using ptrace, and copy the - more significant word to the appropriate slot in EVRREGS. */ -static void -write_spliced_spe_reg (int tid, int ev_regnum, - struct gdb_evrregset_t *evrregs, - char *src) -{ - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - - /* Make sure we're trying to write an EV register; that's all we - handle. */ - gdb_assert (tdep->ppc_ev0_regnum <= ev_regnum - && ev_regnum <= tdep->ppc_ev31_regnum); - - /* Make sure the sizes for the splicing add up. */ - gdb_assert (sizeof (evrregs->evr[0]) + sizeof (PTRACE_XFER_TYPE) - == register_size (current_gdbarch, ev_regnum)); - - { - int ev_index = ev_regnum - tdep->ppc_ev0_regnum; - - /* The number of the corresponding general-purpose register, which - holds the lower 32 bits of the EV register. */ - int gpr_regnum = tdep->ppc_gp0_regnum + ev_index; - - /* The offset of gpr_regnum in the process's uarea. */ - CORE_ADDR gpr_uoffset = ppc_register_u_addr (gpr_regnum); - - /* The PTRACE_POKEUSR / PT_WRITE_U ptrace requests need to be able - to return arbitrary register values, so they can't return -1 to - indicate an error. So we clear errno, and check it again - afterwards. */ - errno = 0; - - if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) - { - memcpy (&evrregs->evr[ev_index], src, sizeof (evrregs->evr[ev_index])); - ptrace (PT_WRITE_U, tid, (PTRACE_ARG3_TYPE) gpr_uoffset, - * (PTRACE_XFER_TYPE *) (src + sizeof (evrregs->evr[0]))); - } - else if (TARGET_BYTE_ORDER == BFD_ENDIAN_LITTLE) - { - ptrace (PT_WRITE_U, tid, (PTRACE_ARG3_TYPE) gpr_uoffset, - * (PTRACE_XFER_TYPE *) src); - memcpy (&evrregs->evr[ev_index], src + sizeof (PTRACE_XFER_TYPE), - sizeof (evrregs->evr[ev_index])); - } - else - gdb_assert (0); - - if (errno != 0) - { - char message[128]; - sprintf (message, "writing register %s (#%d)", - REGISTER_NAME (ev_regnum), ev_regnum); - perror_with_name (message); - } - } -} - -/* Write GDB's value for the SPE register REGNO to TID. */ +/* Write GDB's value for the SPE-specific raw register REGNO to TID. + If REGNO is -1, write the values of all the SPE-specific + registers. */ static void store_spe_register (int tid, int regno) { struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); struct gdb_evrregset_t evrregs; - /* We can only read and write the entire EVR register set at a time, - so to write just a single register, we do a read-modify-write - maneuver. */ - get_spe_registers (tid, &evrregs); + gdb_assert (sizeof (evrregs.evr[0]) + == register_size (current_gdbarch, tdep->ppc_ev0_upper_regnum)); + gdb_assert (sizeof (evrregs.acc) + == register_size (current_gdbarch, tdep->ppc_acc_regnum)); + gdb_assert (sizeof (evrregs.spefscr) + == register_size (current_gdbarch, tdep->ppc_spefscr_regnum)); - if (tdep->ppc_ev0_regnum >= 0 - && tdep->ppc_ev0_regnum <= regno && regno <= tdep->ppc_ev31_regnum) - { - char buf[MAX_REGISTER_SIZE]; - regcache_collect (regno, buf); - write_spliced_spe_reg (tid, regno, &evrregs, buf); - } - else if (tdep->ppc_acc_regnum >= 0 - && regno == tdep->ppc_acc_regnum) - { - gdb_assert (sizeof (evrregs.acc) - == register_size (current_gdbarch, regno)); - regcache_collect (regno, &evrregs.acc); - } - else if (tdep->ppc_spefscr_regnum >= 0 - && regno == tdep->ppc_spefscr_regnum) + if (regno == -1) + /* Since we're going to write out every register, the code below + should store to every field of evrregs; if that doesn't happen, + make it obvious by initializing it with suspicious values. */ + memset (&evrregs, 42, sizeof (evrregs)); + else + /* We can only read and write the entire EVR register set at a + time, so to write just a single register, we do a + read-modify-write maneuver. */ + get_spe_registers (tid, &evrregs); + + if (regno == -1) { - gdb_assert (sizeof (evrregs.spefscr) - == register_size (current_gdbarch, regno)); - regcache_collect (regno, &evrregs.spefscr); + int i; + + for (i = 0; i < ppc_num_gprs; i++) + regcache_raw_collect (current_regcache, + tdep->ppc_ev0_upper_regnum + i, + &evrregs.evr[i]); } - else - gdb_assert (0); + else if (tdep->ppc_ev0_upper_regnum <= regno + && regno < tdep->ppc_ev0_upper_regnum + ppc_num_gprs) + regcache_raw_collect (current_regcache, regno, + &evrregs.evr[regno - tdep->ppc_ev0_upper_regnum]); + + if (regno == -1 + || regno == tdep->ppc_acc_regnum) + regcache_raw_collect (current_regcache, + tdep->ppc_acc_regnum, + &evrregs.acc); + + if (regno == -1 + || regno == tdep->ppc_spefscr_regnum) + regcache_raw_collect (current_regcache, + tdep->ppc_spefscr_regnum, + &evrregs.spefscr); /* Write back the modified register set. */ set_spe_registers (tid, &evrregs); @@ -764,12 +640,6 @@ store_register (int tid, int regno) size_t bytes_to_transfer; char buf[MAX_REGISTER_SIZE]; - /* Sanity check: this function should only be called to store raw - registers' values, never pseudoregisters' values. */ - if (tdep->ppc_gp0_regnum <= regno - && regno < tdep->ppc_gp0_regnum + ppc_num_gprs) - gdb_assert (! tdep->ppc_gprs_pseudo_p); - if (altivec_register_p (regno)) { store_altivec_register (tid, regno); @@ -833,18 +703,19 @@ fill_vrregset (gdb_vrregset_t *vrregsetp) int i; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); int num_of_vrregs = tdep->ppc_vrsave_regnum - tdep->ppc_vr0_regnum + 1; - int vrregsize = DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vr0_regnum); - int offset = vrregsize - DEPRECATED_REGISTER_RAW_SIZE (tdep->ppc_vrsave_regnum); + int vrregsize = register_size (current_gdbarch, tdep->ppc_vr0_regnum); + int offset = vrregsize - register_size (current_gdbarch, tdep->ppc_vrsave_regnum); for (i = 0; i < num_of_vrregs; i++) { /* The last 2 registers of this set are only 32 bit long, not 128, but only VSCR is fetched as a 16 bytes quantity. */ if (i == (num_of_vrregs - 2)) - regcache_collect (tdep->ppc_vr0_regnum + i, - *vrregsetp + i * vrregsize + offset); + regcache_raw_collect (current_regcache, tdep->ppc_vr0_regnum + i, + *vrregsetp + i * vrregsize + offset); else - regcache_collect (tdep->ppc_vr0_regnum + i, *vrregsetp + i * vrregsize); + regcache_raw_collect (current_regcache, tdep->ppc_vr0_regnum + i, + *vrregsetp + i * vrregsize); } } @@ -862,43 +733,13 @@ store_altivec_registers (int tid) have_ptrace_getvrregs = 0; return; } - perror_with_name ("Couldn't get AltiVec registers"); + perror_with_name (_("Couldn't get AltiVec registers")); } fill_vrregset (®s); if (ptrace (PTRACE_SETVRREGS, tid, 0, ®s) < 0) - perror_with_name ("Couldn't write AltiVec registers"); -} - -static void -store_spe_registers (tid) -{ - struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - struct gdb_evrregset_t evrregs; - int i; - - /* The code below should store to every field of evrregs; if that - doesn't happen, make it obvious by initializing it with - suspicious values. */ - memset (&evrregs, 42, sizeof (evrregs)); - - for (i = 0; i < ppc_num_gprs; i++) - { - char buf[MAX_REGISTER_SIZE]; - - regcache_collect (tdep->ppc_ev0_regnum + i, buf); - write_spliced_spe_reg (tid, tdep->ppc_ev0_regnum + i, &evrregs, buf); - } - - gdb_assert (sizeof (evrregs.acc) - == register_size (current_gdbarch, tdep->ppc_acc_regnum)); - regcache_collect (tdep->ppc_acc_regnum, &evrregs.acc); - gdb_assert (sizeof (evrregs.spefscr) - == register_size (current_gdbarch, tdep->ppc_spefscr_regnum)); - regcache_collect (tdep->ppc_acc_regnum, &evrregs.spefscr); - - set_spe_registers (tid, &evrregs); + perror_with_name (_("Couldn't write AltiVec registers")); } static void @@ -907,9 +748,8 @@ store_ppc_registers (int tid) int i; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); - if (! tdep->ppc_gprs_pseudo_p) - for (i = 0; i < ppc_num_gprs; i++) - store_register (tid, tdep->ppc_gp0_regnum + i); + for (i = 0; i < ppc_num_gprs; i++) + store_register (tid, tdep->ppc_gp0_regnum + i); if (tdep->ppc_fp0_regnum >= 0) for (i = 0; i < ppc_num_fprs; i++) store_register (tid, tdep->ppc_fp0_regnum + i); @@ -931,8 +771,8 @@ store_ppc_registers (int tid) if (have_ptrace_getvrregs) if (tdep->ppc_vr0_regnum != -1 && tdep->ppc_vrsave_regnum != -1) store_altivec_registers (tid); - if (tdep->ppc_ev0_regnum >= 0) - store_spe_registers (tid); + if (tdep->ppc_ev0_upper_regnum >= 0) + store_spe_register (tid, -1); } void @@ -997,9 +837,11 @@ fill_gregset (gdb_gregset_t *gregsetp, int regno) if ((regno == -1) || regno == tdep->ppc_lr_regnum) right_fill_reg (tdep->ppc_lr_regnum, regp + PT_LNK); if ((regno == -1) || regno == tdep->ppc_cr_regnum) - regcache_collect (tdep->ppc_cr_regnum, regp + PT_CCR); + regcache_raw_collect (current_regcache, tdep->ppc_cr_regnum, + regp + PT_CCR); if ((regno == -1) || regno == tdep->ppc_xer_regnum) - regcache_collect (tdep->ppc_xer_regnum, regp + PT_XER); + regcache_raw_collect (current_regcache, tdep->ppc_xer_regnum, + regp + PT_XER); if ((regno == -1) || regno == tdep->ppc_ctr_regnum) right_fill_reg (tdep->ppc_ctr_regnum, regp + PT_CTR); #ifdef PT_MQ @@ -1034,7 +876,8 @@ fill_fpregset (gdb_fpregset_t *fpregsetp, int regno) for (regi = 0; regi < ppc_num_fprs; regi++) { if ((regno == -1) || (regno == tdep->ppc_fp0_regnum + regi)) - regcache_collect (tdep->ppc_fp0_regnum + regi, fpp + 8 * regi); + regcache_raw_collect (current_regcache, tdep->ppc_fp0_regnum + regi, + fpp + 8 * regi); } if (regno == -1 || regno == tdep->ppc_fpscr_regnum) right_fill_reg (tdep->ppc_fpscr_regnum, (fpp + 8 * 32));