* ppc-linux-tdep.c (ppc32_linux_reg_offsets): Corrected
swapped offsets and VRSAVE offset. (ppc64_linux_reg_offsets): Corrected swapped offsets. (ppc32_linux_vrregset): Added. (ppc_linux_regset_from_core_section): Added support for .reg-ppc-vmx section. * ppc-tdep.h (ppc_altivec_support_p): Declare. (ppc_supply_vrregset): Declare. (ppc_collect_vrregset): Declare. * rs6000-tdep.c (ppc_altivec_support_p): Added. (ppc_supply_vrregset): Added. (ppc_collect_vrregset): Added. * corelow.c (get_core_registers): Added support for .reg-ppc-vmx section.
This commit is contained in:
Carlos Eduardo Seo
parent
5662214762
commit
06caf7d297
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@ -1,3 +1,20 @@
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2007-10-29 Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
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* ppc-linux-tdep.c (ppc32_linux_reg_offsets): Corrected
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swapped offsets and VRSAVE offset.
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(ppc64_linux_reg_offsets): Corrected swapped offsets.
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(ppc32_linux_vrregset): Added.
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(ppc_linux_regset_from_core_section): Added support for
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.reg-ppc-vmx section.
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* ppc-tdep.h (ppc_altivec_support_p): Declare.
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(ppc_supply_vrregset): Declare.
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(ppc_collect_vrregset): Declare.
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* rs6000-tdep.c (ppc_altivec_support_p): Added.
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(ppc_supply_vrregset): Added.
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(ppc_collect_vrregset): Added.
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* corelow.c (get_core_registers): Added support for
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.reg-ppc-vmx section.
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2007-10-29 Joel Brobecker <brobecker@adacore.com>
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GDB 6.7.1 released.
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@ -499,6 +499,8 @@ get_core_registers (struct regcache *regcache, int regno)
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".reg2", 2, "floating-point", 0);
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get_core_register_section (regcache,
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".reg-xfp", 3, "extended floating-point", 0);
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get_core_register_section (regcache,
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".reg-ppc-vmx", 3, "ppc Altivec", 0);
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/* Supply dummy value for all registers not found in the core. */
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for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
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@ -650,8 +650,8 @@ static const struct ppc_reg_offsets ppc32_linux_reg_offsets =
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/* AltiVec registers. */
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/* .vr0_offset = */ 0,
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/* .vrsave_offset = */ 512,
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/* .vscr_offset = */ 512 + 12
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/* .vscr_offset = */ 512 + 12,
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/* .vrsave_offset = */ 528
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};
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static const struct ppc_reg_offsets ppc64_linux_reg_offsets =
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@ -675,8 +675,8 @@ static const struct ppc_reg_offsets ppc64_linux_reg_offsets =
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/* AltiVec registers. */
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/* .vr0_offset = */ 0,
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/* .vrsave_offset = */ 528,
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/* .vscr_offset = */ 512 + 12
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/* .vscr_offset = */ 512 + 12,
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/* .vrsave_offset = */ 528
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};
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static const struct regset ppc32_linux_gregset = {
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@ -700,6 +700,13 @@ static const struct regset ppc32_linux_fpregset = {
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NULL
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};
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static const struct regset ppc32_linux_vrregset = {
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&ppc32_linux_reg_offsets,
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ppc_supply_vrregset,
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ppc_collect_vrregset,
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NULL
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};
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const struct regset *
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ppc_linux_gregset (int wordsize)
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{
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@ -726,6 +733,8 @@ ppc_linux_regset_from_core_section (struct gdbarch *core_arch,
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}
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if (strcmp (sect_name, ".reg2") == 0)
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return &ppc32_linux_fpregset;
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if (strcmp (sect_name, ".reg-ppc-vmx") == 0)
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return &ppc32_linux_vrregset;
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return NULL;
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}
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@ -73,6 +73,10 @@ int spe_register_p (int regno);
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floating-point registers (f0 --- f31 and fpscr). */
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int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
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/* Return non-zero if the architecture described by GDBARCH has
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Altivec registers (vr0 --- vr31, vrsave and vscr). */
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int ppc_altivec_support_p (struct gdbarch *gdbarch);
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/* Register set description. */
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struct ppc_reg_offsets
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@ -116,6 +120,14 @@ extern void ppc_supply_fpregset (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *fpregs, size_t len);
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/* Supply register REGNUM in the Altivec register set REGSET
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from the buffer specified by VRREGS and LEN to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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extern void ppc_supply_vrregset (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *vrregs, size_t len);
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/* Collect register REGNUM in the general-purpose register set
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REGSET. from register cache REGCACHE into the buffer specified by
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GREGS and LEN. If REGNUM is -1, do this for all registers in
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@ -134,6 +146,15 @@ extern void ppc_collect_fpregset (const struct regset *regset,
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const struct regcache *regcache,
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int regnum, void *fpregs, size_t len);
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/* Collect register REGNUM in the Altivec register set
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REGSET from register cache REGCACHE into the buffer specified by
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VRREGS and LEN. If REGNUM is -1, do this for all registers in
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REGSET. */
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extern void ppc_collect_vrregset (const struct regset *regset,
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const struct regcache *regcache,
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int regnum, void *vrregs, size_t len);
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/* Private data that this module attaches to struct gdbarch. */
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struct gdbarch_tdep
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@ -194,6 +194,16 @@ ppc_floating_point_unit_p (struct gdbarch *gdbarch)
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&& tdep->ppc_fpscr_regnum >= 0);
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}
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/* Return non-zero if the architecture described by GDBARCH has
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Altivec registers (vr0 --- vr31, vrsave and vscr). */
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int
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ppc_altivec_support_p (struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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return (tdep->ppc_vr0_regnum >= 0
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&& tdep->ppc_vrsave_regnum >= 0);
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}
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/* Check that TABLE[GDB_REGNO] is not already initialized, and then
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set it to SIM_REGNO.
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@ -436,6 +446,24 @@ ppc_fpreg_offset (struct gdbarch_tdep *tdep,
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return -1;
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}
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static int
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ppc_vrreg_offset (struct gdbarch_tdep *tdep,
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const struct ppc_reg_offsets *offsets,
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int regnum)
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{
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if (regnum >= tdep->ppc_vr0_regnum
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&& regnum < tdep->ppc_vr0_regnum + ppc_num_vrs)
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return offsets->vr0_offset + (regnum - tdep->ppc_vr0_regnum) * 16;
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if (regnum == tdep->ppc_vrsave_regnum - 1)
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return offsets->vscr_offset;
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if (regnum == tdep->ppc_vrsave_regnum)
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return offsets->vrsave_offset;
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return -1;
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}
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/* Supply register REGNUM in the general-purpose register set REGSET
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from the buffer specified by GREGS and LEN to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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@ -518,6 +546,50 @@ ppc_supply_fpregset (const struct regset *regset, struct regcache *regcache,
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regnum == tdep->ppc_fpscr_regnum ? offsets->fpscr_size : 8);
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}
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/* Supply register REGNUM in the Altivec register set REGSET
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from the buffer specified by VRREGS and LEN to register cache
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REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
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void
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ppc_supply_vrregset (const struct regset *regset, struct regcache *regcache,
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int regnum, const void *vrregs, size_t len)
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{
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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struct gdbarch_tdep *tdep;
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const struct ppc_reg_offsets *offsets;
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size_t offset;
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if (!ppc_altivec_support_p (gdbarch))
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return;
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tdep = gdbarch_tdep (gdbarch);
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offsets = regset->descr;
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if (regnum == -1)
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{
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int i;
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for (i = tdep->ppc_vr0_regnum, offset = offsets->vr0_offset;
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i < tdep->ppc_vr0_regnum + ppc_num_vrs;
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i++, offset += 16)
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ppc_supply_reg (regcache, i, vrregs, offset, 16);
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ppc_supply_reg (regcache, (tdep->ppc_vrsave_regnum - 1),
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vrregs, offsets->vscr_offset, 4);
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ppc_supply_reg (regcache, tdep->ppc_vrsave_regnum,
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vrregs, offsets->vrsave_offset, 4);
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return;
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}
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offset = ppc_vrreg_offset (tdep, offsets, regnum);
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if (regnum != tdep->ppc_vrsave_regnum
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&& regnum != tdep->ppc_vrsave_regnum - 1)
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ppc_supply_reg (regcache, regnum, vrregs, offset, 16);
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else
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ppc_supply_reg (regcache, regnum,
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vrregs, offset, 4);
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}
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/* Collect register REGNUM in the general-purpose register set
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REGSET from register cache REGCACHE into the buffer specified by
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GREGS and LEN. If REGNUM is -1, do this for all registers in
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@ -603,6 +675,52 @@ ppc_collect_fpregset (const struct regset *regset,
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ppc_collect_reg (regcache, regnum, fpregs, offset,
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regnum == tdep->ppc_fpscr_regnum ? offsets->fpscr_size : 8);
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}
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/* Collect register REGNUM in the Altivec register set
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REGSET from register cache REGCACHE into the buffer specified by
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VRREGS and LEN. If REGNUM is -1, do this for all registers in
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REGSET. */
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void
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ppc_collect_vrregset (const struct regset *regset,
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const struct regcache *regcache,
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int regnum, void *vrregs, size_t len)
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{
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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struct gdbarch_tdep *tdep;
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const struct ppc_reg_offsets *offsets;
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size_t offset;
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if (!ppc_altivec_support_p (gdbarch))
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return;
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tdep = gdbarch_tdep (gdbarch);
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offsets = regset->descr;
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if (regnum == -1)
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{
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int i;
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for (i = tdep->ppc_vr0_regnum, offset = offsets->vr0_offset;
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i < tdep->ppc_vr0_regnum + ppc_num_vrs;
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i++, offset += 16)
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ppc_collect_reg (regcache, i, vrregs, offset, 16);
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ppc_collect_reg (regcache, (tdep->ppc_vrsave_regnum - 1),
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vrregs, offsets->vscr_offset, 4);
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ppc_collect_reg (regcache, tdep->ppc_vrsave_regnum,
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vrregs, offsets->vrsave_offset, 4);
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return;
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}
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offset = ppc_vrreg_offset (tdep, offsets, regnum);
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if (regnum != tdep->ppc_vrsave_regnum
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&& regnum != tdep->ppc_vrsave_regnum - 1)
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ppc_collect_reg (regcache, regnum, vrregs, offset, 16);
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else
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ppc_collect_reg (regcache, regnum,
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vrregs, offset, 4);
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}
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/* Read a LEN-byte address from debugged memory address MEMADDR. */
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