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115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/* Native-dependent code for Solaris SPARC.
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Copyright (C) 2003-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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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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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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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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#include "defs.h"
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#include "regcache.h"
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#include <sys/procfs.h>
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#include "gregset.h"
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#include "sparc-tdep.h"
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#include "target.h"
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#include "procfs.h"
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/* This file provids the (temporary) glue between the Solaris SPARC
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target dependent code and the machine independent SVR4 /proc
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support. */
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/* Solaris 7 (Solaris 2.7, SunOS 5.7) and up support two process data
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models, the traditional 32-bit data model (ILP32) and the 64-bit
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data model (LP64). The format of /proc depends on the data model
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of the observer (the controlling process, GDB in our case). The
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Solaris header files conveniently define PR_MODEL_NATIVE to the
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data model of the controlling process. If its value is
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PR_MODEL_LP64, we know that GDB is being compiled as a 64-bit
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program.
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GNU/Linux uses the same formats as Solaris for its core files (but
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not for ptrace(2)). The GNU/Linux headers don't define
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PR_MODEL_NATIVE though. Therefore we rely on the __arch64__ define
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provided by GCC to determine the appropriate data model.
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Note that a 32-bit GDB won't be able to debug a 64-bit target
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process using /proc on Solaris. */
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#if (defined (__arch64__) || \
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(defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64)))
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#include "sparc64-tdep.h"
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#define sparc_supply_gregset sparc64_supply_gregset
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#define sparc_supply_fpregset sparc64_supply_fpregset
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#define sparc_collect_gregset sparc64_collect_gregset
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#define sparc_collect_fpregset sparc64_collect_fpregset
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#define sparc_sol2_gregmap sparc64_sol2_gregmap
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#define sparc_sol2_fpregmap sparc64_sol2_fpregmap
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#else
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#define sparc_supply_gregset sparc32_supply_gregset
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#define sparc_supply_fpregset sparc32_supply_fpregset
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#define sparc_collect_gregset sparc32_collect_gregset
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#define sparc_collect_fpregset sparc32_collect_fpregset
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#define sparc_sol2_gregmap sparc32_sol2_gregmap
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#define sparc_sol2_fpregmap sparc32_sol2_fpregmap
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#endif
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void
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supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
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{
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sparc_supply_gregset (&sparc_sol2_gregmap, regcache, -1, gregs);
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}
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void
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supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
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{
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sparc_supply_fpregset (&sparc_sol2_fpregmap, regcache, -1, fpregs);
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}
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void
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fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum)
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{
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sparc_collect_gregset (&sparc_sol2_gregmap, regcache, regnum, gregs);
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}
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void
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fill_fpregset (const struct regcache *regcache,
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prfpregset_t *fpregs, int regnum)
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{
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sparc_collect_fpregset (&sparc_sol2_fpregmap, regcache, regnum, fpregs);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern initialize_file_ftype _initialize_sparc_sol2_nat;
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void
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_initialize_sparc_sol2_nat (void)
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{
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struct target_ops *t;
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t = procfs_target ();
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#ifdef NEW_PROC_API /* Solaris 6 and above can do HW watchpoints. */
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procfs_use_watchpoints (t);
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#endif
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add_target (t);
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}
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