From 604c2f837ca75dbfd0331a7d8a7f9504ca1d9b53 Mon Sep 17 00:00:00 2001 From: Luis Machado Date: Fri, 15 Aug 2008 15:18:34 +0000 Subject: * rs6000-tdep: Include "features/rs6000/powerpc-vsx32.c". Include "features/rs6000/powerpc-vsx64.c". (ppc_supply_vsxregset): New function. (ppc_collect_vsxregset): New function. (IS_VSX_PSEUDOREG): New macro. (IS_EFP_PSEUDOREG): New macro. (vsx_register_p): New function. (ppc_vsx_support_p): New function. (rs6000_builtin_type_vec128): New function. (rs6000_register_name): Hide upper halves of vs0~vs31. Return correct names for VSX registers and EFPR registers. (rs6000_pseudo_register_type): Return correct types for VSX and EFPR registers. (rs6000_pseudo_register_reggroup_p): Return correct group for VSX and EFPR registers. (ppc_pseudo_register_read): Rename to dfp_pseudo_register_read. (ppc_pseudo_register_write): Rename to dfp_pseudo_register_write. (vsx_pseudo_register_read): New function. (vsx_pseudo_register_write): New function. (efpr_pseudo_register_read): New function. (efpr_pseudo_register_write): New function. (rs6000_pseudo_register_read): Call new VSX and EFPR read functions. (rs6000_pseudo_register_write): Call new VSX and EFPR write functions. (rs6000_gdbarch_init): Declare have_vsx. Initialize new upper half VSX registers. Initialize VSX-related and EFPR-related pseudo-registers variables. Adjust the number of pseudo registers accordingly. * ppc-linux-nat.c: Define PTRACE_GETVSXREGS, PTRACE_SETVSXREGS and SIZEOF_VSRREGS. (gdb_vsxregset_t): New type. (have_ptrace_getsetvsxregs): New variable. (fetch_vsx_register): New function. (fetch_register): Handle VSX registers. (fetch_vsx_registers): New function. (fetch_ppc_registers): Handle VSX registers. (store_ppc_registers): Handle VSX registers. (store_vsx_register): New function. (store_register): Handle VSX registers. (store_vsx_registers): New function. (ppc_linux_read_description): Handle VSX-enabled inferiors. (gdb_vsxregset_t): New type. (supply_vsxregset): New function. (fill_vsxregset): New function. * ppc-tdep.h (vsx_register_p): New prototype. (vsx_support_p): New prototype. (ppc_vsr0_regnum): New variable. (ppc_vsr0_upper_regnum): Likewise. (ppc_efpr0_regnum): Likewise. (ppc_builtin_type_vec128): New type. (ppc_num_vsrs): New constant. (ppc_num_vshrs): New constant. (ppc_num_efprs): Likewise. Define POWERPC_VEC_VSX PPC_VSR0_UPPER_REGNUM and PPC_VSR31_UPPER_REGNUM. (ppc_supply_vsxregset): New prototype. (ppc_collect_vsxregset): New prototype. * ppc-linux-tdep.c: Include "features/rs6000/powerpc-vsx32l.c" Include "features/rs6000/powerpc-vsx64l.c". (_initialize_ppc_linux_tdep): Initialize VSX-enabled targets. (ppc_linux_regset_sections): Add new ".reg-ppc-vsx" field. (ppc32_linux_vsxregset): New 32-bit VSX-enabled regset. (ppc_linux_regset_from_core_section): Handle VSX core section. (ppc_linux_core_read_description): Support VSX-enabled core files. * ppc-linux-tdep.h: Declare *tdesc_powerpc_vsx32l Declare tdesc_powerpc_vsx64l * corelow.c (get_core_register_section): Support VSX-enabled core files. * features/rs6000/power-vsx.xml: New VSX descriptions. * features/rs6000/powerpc-vsx32.xml: New file. * features/rs6000/powerpc-vsx32l.xml: New file. * features/rs6000/powerpc-vsx64.xml: New file. * features/rs6000/powerpc-vsx64l.xml: New file. * features/rs6000/powerpc-vsx32.c: New file (generated). * features/rs6000/powerpc-vsx32l.c: New file (generated). * features/rs6000/powerpc-vsx64.c: New file (generated). * features/rs6000/powerpc-vsx64l.c: New file (generated). * features/Makefile: Updated with new descriptions. * regformats/rs6000/powerpc-vsx32l.dat: New file (generated). * regformats/rs6000/powerpc-vsx64l.dat: New file (generated). * testsuite/gdb.arch/vsx-regs.c: New source file. * testsuite/gdb.arch/vsx-regs.exp: New testcase. * testsuite/lib/gdb.exp (skip_vsx_tests): New function. --- gdb/ppc-tdep.h | 40 ++++++++++++++++++++++++++++++++++++---- 1 file changed, 36 insertions(+), 4 deletions(-) (limited to 'gdb/ppc-tdep.h') diff --git a/gdb/ppc-tdep.h b/gdb/ppc-tdep.h index 766ddd6..01c3850 100644 --- a/gdb/ppc-tdep.h +++ b/gdb/ppc-tdep.h @@ -63,6 +63,7 @@ enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarc /* From rs6000-tdep.c... */ int altivec_register_p (struct gdbarch *gdbarch, int regno); +int vsx_register_p (struct gdbarch *gdbarch, int regno); int spe_register_p (struct gdbarch *gdbarch, int regno); /* Return non-zero if the architecture described by GDBARCH has @@ -73,6 +74,9 @@ int ppc_floating_point_unit_p (struct gdbarch *gdbarch); Altivec registers (vr0 --- vr31, vrsave and vscr). */ int ppc_altivec_support_p (struct gdbarch *gdbarch); +/* Return non-zero if the architecture described by GDBARCH has + VSX registers (vsr0 --- vsr63). */ +int vsx_support_p (struct gdbarch *gdbarch); int ppc_deal_with_atomic_sequence (struct frame_info *frame); @@ -133,6 +137,14 @@ extern void ppc_supply_vrregset (const struct regset *regset, struct regcache *regcache, int regnum, const void *vrregs, size_t len); +/* Supply register REGNUM in the VSX register set REGSET + from the buffer specified by VSXREGS and LEN to register cache + REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ + +extern void ppc_supply_vsxregset (const struct regset *regset, + struct regcache *regcache, + int regnum, const void *vsxregs, size_t len); + /* Collect register REGNUM in the general-purpose register set REGSET. from register cache REGCACHE into the buffer specified by GREGS and LEN. If REGNUM is -1, do this for all registers in @@ -160,6 +172,15 @@ extern void ppc_collect_vrregset (const struct regset *regset, const struct regcache *regcache, int regnum, void *vrregs, size_t len); +/* Collect register REGNUM in the VSX register set + REGSET from register cache REGCACHE into the buffer specified by + VSXREGS and LEN. If REGNUM is -1, do this for all registers in + REGSET. */ + +extern void ppc_collect_vsxregset (const struct regset *regset, + const struct regcache *regcache, + int regnum, void *vsxregs, size_t len); + /* Private data that this module attaches to struct gdbarch. */ /* Vector ABI used by the inferior. */ @@ -199,6 +220,11 @@ struct gdbarch_tdep /* Multiplier-Quotient Register (older POWER architectures only). */ int ppc_mq_regnum; + /* POWER7 VSX registers. */ + int ppc_vsr0_regnum; /* First VSX register. */ + int ppc_vsr0_upper_regnum; /* First right most dword vsx register. */ + int ppc_efpr0_regnum; /* First Extended FP register. */ + /* Altivec registers. */ int ppc_vr0_regnum; /* First AltiVec register */ int ppc_vrsave_regnum; /* Last AltiVec register */ @@ -222,16 +248,20 @@ struct gdbarch_tdep /* ISA-specific types. */ struct type *ppc_builtin_type_vec64; + struct type *ppc_builtin_type_vec128; }; /* Constants for register set sizes. */ enum { - ppc_num_gprs = 32, /* 32 general-purpose registers */ - ppc_num_fprs = 32, /* 32 floating-point registers */ - ppc_num_srs = 16, /* 16 segment registers */ - ppc_num_vrs = 32 /* 32 Altivec vector registers */ + ppc_num_gprs = 32, /* 32 general-purpose registers. */ + ppc_num_fprs = 32, /* 32 floating-point registers. */ + ppc_num_srs = 16, /* 16 segment registers. */ + ppc_num_vrs = 32, /* 32 Altivec vector registers. */ + ppc_num_vshrs = 32, /* 32 doublewords (dword 1 of vs0~vs31). */ + ppc_num_vsrs = 64, /* 64 VSX vector registers. */ + ppc_num_efprs = 32 /* 32 Extended FP registers. */ }; @@ -257,6 +287,8 @@ enum { PPC_VR0_REGNUM = 106, PPC_VSCR_REGNUM = 138, PPC_VRSAVE_REGNUM = 139, + PPC_VSR0_UPPER_REGNUM = 140, + PPC_VSR31_UPPER_REGNUM = 171, PPC_NUM_REGS }; -- cgit v1.1