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* target-descriptions.c (tdesc_register_type): Make public. (tdesc_unnumbered_register): New function. (tdesc_register_reggroup_p): Allow missing pseudo_register_reggroup_p. * target-descriptions.h (tdesc_register_type): Declare. (tdesc_unnumbered_register): Declare. * arm-tdep.c (arm_neon_quad_read, arm_neon_quad_write): New functions. (arm_push_dummy_call): Use arm_neon_quad_write. (arm_neon_double_type, arm_neon_quad_type): New functions. (arm_register_type): Handle VFP and NEON registers. Override the types of double-precision registers for NEON. Disable FPA registers if they are not present. (arm_dwarf_reg_to_regnum): Add current VFP and NEON register numbers. (arm_return_value): Use arm_neon_quad_write and arm_neon_quad_read. (arm_register_name): Handle VFP single and NEON quad registers. (arm_pseudo_read, arm_pseudo_write): New functions. (arm_gdbarch_init): Check for VFP and NEON in the target description. Assign numbers to double-precision registers. Register VFP and NEON pseudo registers. Remove a shadowed "i" variable. * arm-tdep.h (enum gdb_regnum): Add ARM_D0_REGNUM and ARM_D31_REGNUM. (struct gdbarch_tdep): Add have_neon_pseudos, have_neon, have_vfp_registers, have_vfp_pseudos, neon_double_type, and neon_quad_type. * features/Makefile: Make expedite settings only architecture specific. (WHICH): Add new ARM descriptions. * features/arm-with-neon.xml, features/arm-with-vfpv2.c, features/arm-with-vfpv3.c, features/arm-vfpv2.xml, features/arm-vfpv3.xml, features/arm-with-vfpv2.xml, features/arm-with-vfpv3.xml, features/arm-with-neon.c: New files. * regformats/arm-with-neon.dat, regformats/arm-with-vfpv2.dat, regformats/arm-with-vfpv3.dat: Generate. doc/ * gdb.texinfo (ARM Features): Document org.gnu.gdb.arm.vfp and org.gnu.gdb.arm.neon. gdbserver/ * linux-low.c (linux_write_memory): Update debugging output. * Makefile.in (clean): Add new descriptions. (arm-with-vfpv2.o, arm-with-vfpv2.c, arm-with-vfpv3.o) (arm-with-vfpv3.c, arm-with-neon.o, arm-with-neon.c): New rules. * configure.srv: Add new files for arm*-*-linux*. * linux-arm-low.c: Add new declarations. (PTRACE_GETVFPREGS, PTRACE_SETVFPREGS): Define if undefined. (arm_hwcap, HWCAP_VFP, HWCAP_IWMMXT, HWCAP_NEON, HWCAP_VFPv3) (HWCAP_VFPv3D16): New. (arm_fill_wmmxregset, arm_store_wmmxregset): Check HWCAP_IWMMXT instead of __IWMMXT__. (arm_fill_vfpregset, arm_store_vfpregset, arm_get_hwcap) (arm_arch_setup): New. (target_regsets): Remove #ifdef. Add VFP regset. (the_low_target): Use arm_arch_setup. testsuite/ * gdb.base/float.exp: Handle VFP registers.
105 lines
3.4 KiB
Text
105 lines
3.4 KiB
Text
# Copyright 2003, 2007, 2008, 2009 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@gnu.org
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# This file is part of the gdb testsuite.
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if $tracelevel {
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strace $tracelevel
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}
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#
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# Test floating-point related functionality.
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#
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set prms_id 0
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set bug_id 0
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if { [prepare_for_testing float.exp float run.c] } {
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return -1
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}
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# Set it up at a breakpoint so we have its registers.
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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# Test "info float".
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if { [istarget "alpha*-*-*"] } then {
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gdb_test "info float" "f0.*" "info float"
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} elseif { [istarget "arm*-*-*"] || \
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[istarget "xscale*-*-*"] || \
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[istarget "strongarm*-*-*"] } then {
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gdb_test_multiple "info float" "info float" {
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-re "Software FPU type.*mask:.*flags:.*$gdb_prompt $" {
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pass "info float (FPA)"
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}
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-re "fpscr.*s0.*s1.*s31.*$gdb_prompt $" {
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# Only check for single precision; d0 might be a vector register
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# if we have NEON.
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pass "info float (VFP)"
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}
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-re "No floating.point info available for this processor.*" {
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pass "info float (without FPU)"
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}
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}
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} elseif { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } then {
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gdb_test "info float" "R7:.*Status Word:.*Opcode:.*" "info float"
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} elseif [istarget "ia64-*-*"] then {
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gdb_test "info float" "f0.*f1.*f127.*" "info float"
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} elseif [istarget "m68k-*-*"] then {
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gdb_test_multiple "info float" "info_float" {
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-re "fp0.*fp1.*fp7.*$gdb_prompt $" {
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pass "info float (with FPU)"
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}
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-re "No floating.point info available for this processor.*" {
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pass "info float (without FPU)"
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}
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}
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} elseif [istarget "mips*-*-*"] then {
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gdb_test "info float" "f0:.*flt:.*dbl:.*" "info float"
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} elseif [istarget "powerpc*-*-*"] then {
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gdb_test_multiple "info float" "info_float" {
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-re "f0.*f1.*f31.*fpscr.*$gdb_prompt $" {
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pass "info float (with FPU)"
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}
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-re "No floating.point info available for this processor.*" {
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pass "info float (without FPU)"
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}
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}
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} elseif [istarget "s390*-*-*"] then {
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gdb_test "info float" "fpc.*f0.*f1.*f15.*" "info float"
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} elseif [istarget "sh*-*"] then {
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# SH may or may not have an FPU
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gdb_test_multiple "info float" "info float" {
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-re "fpul.*fr0.*fr1.*fr15.*$gdb_prompt $" {
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pass "info float (with FPU)"
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}
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-re "No floating.point info available for this processor.*" {
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pass "info float (without FPU)"
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}
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}
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} elseif [istarget "hppa*-*"] then {
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gdb_test "info float" "fr4.*fr4R.*fr31R.*" "info float"
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} elseif [istarget "sparc*-*-*"] then {
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gdb_test "info float" "f0.*f1.*f31.*d0.*d30.*" "info float"
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} else {
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gdb_test "info float" "No floating.point info available for this processor." "info float (unknown target)"
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}
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