mirror of
https://sourceware.org/git/binutils-gdb.git
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dccbb60975
This commit includes gdb_assert.h in common-defs.h and removes all other inclusions. gdb/ 2014-08-07 Gary Benson <gbenson@redhat.com> * common/common-defs.h: Include gdb_assert.h. * aarch64-tdep.c: Do not include gdb_assert.h. * addrmap.c: Likewise. * aix-thread.c: Likewise. * alpha-linux-tdep.c: Likewise. * alpha-mdebug-tdep.c: Likewise. * alphanbsd-tdep.c: Likewise. * amd64-nat.c: Likewise. * amd64-tdep.c: Likewise. * amd64bsd-nat.c: Likewise. * amd64fbsd-nat.c: Likewise. * amd64fbsd-tdep.c: Likewise. * amd64nbsd-nat.c: Likewise. * amd64nbsd-tdep.c: Likewise. * amd64obsd-nat.c: Likewise. * amd64obsd-tdep.c: Likewise. * arch-utils.c: Likewise. * arm-tdep.c: Likewise. * armbsd-tdep.c: Likewise. * auxv.c: Likewise. * bcache.c: Likewise. * bfin-tdep.c: Likewise. * blockframe.c: Likewise. * breakpoint.c: Likewise. * bsd-kvm.c: Likewise. * bsd-uthread.c: Likewise. * buildsym.c: Likewise. * c-exp.y: Likewise. * c-lang.c: Likewise. * charset.c: Likewise. * cleanups.c: Likewise. * cli-out.c: Likewise. * cli/cli-decode.c: Likewise. * cli/cli-dump.c: Likewise. * cli/cli-logging.c: Likewise. * cli/cli-script.c: Likewise. * cli/cli-utils.c: Likewise. * coffread.c: Likewise. * common/common-utils.c: Likewise. * common/queue.h: Likewise. * common/signals.c: Likewise. * common/vec.h: Likewise. * complaints.c: Likewise. * completer.c: Likewise. * corelow.c: Likewise. * cp-abi.c: Likewise. * cp-name-parser.y: Likewise. * cp-namespace.c: Likewise. * cp-support.c: Likewise. * cris-tdep.c: Likewise. * dbxread.c: Likewise. * dictionary.c: Likewise. * doublest.c: Likewise. * dsrec.c: Likewise. * dummy-frame.c: Likewise. * dwarf2-frame-tailcall.c: Likewise. * dwarf2-frame.c: Likewise. * dwarf2expr.c: Likewise. * dwarf2loc.c: Likewise. * dwarf2read.c: Likewise. * eval.c: Likewise. * event-loop.c: Likewise. * exceptions.c: Likewise. * expprint.c: Likewise. * f-valprint.c: Likewise. * fbsd-nat.c: Likewise. * findvar.c: Likewise. * frame-unwind.c: Likewise. * frame.c: Likewise. * frv-tdep.c: Likewise. * gcore.c: Likewise. * gdb-dlfcn.c: Likewise. * gdb_bfd.c: Likewise. * gdbarch.c: Likewise. * gdbarch.sh: Likewise. * gdbtypes.c: Likewise. * gnu-nat.c: Likewise. * gnu-v3-abi.c: Likewise. * go-lang.c: Likewise. * guile/scm-exception.c: Likewise. * guile/scm-gsmob.c: Likewise. * guile/scm-lazy-string.c: Likewise. * guile/scm-math.c: Likewise. * guile/scm-pretty-print.c: Likewise. * guile/scm-safe-call.c: Likewise. * guile/scm-utils.c: Likewise. * guile/scm-value.c: Likewise. * h8300-tdep.c: Likewise. * hppa-hpux-nat.c: Likewise. * hppa-tdep.c: Likewise. * hppanbsd-tdep.c: Likewise. * hppaobsd-tdep.c: Likewise. * i386-darwin-nat.c: Likewise. * i386-darwin-tdep.c: Likewise. * i386-nto-tdep.c: Likewise. * i386-tdep.c: Likewise. * i386bsd-nat.c: Likewise. * i386fbsd-tdep.c: Likewise. * i386gnu-nat.c: Likewise. * i386nbsd-tdep.c: Likewise. * i386obsd-tdep.c: Likewise. * i387-tdep.c: Likewise. * ia64-libunwind-tdep.c: Likewise. * ia64-tdep.c: Likewise. * inf-ptrace.c: Likewise. * inf-ttrace.c: Likewise. * infcall.c: Likewise. * infcmd.c: Likewise. * infrun.c: Likewise. * inline-frame.c: Likewise. * interps.c: Likewise. * jv-lang.c: Likewise. * jv-typeprint.c: Likewise. * linux-fork.c: Likewise. * linux-nat.c: Likewise. * linux-thread-db.c: Likewise. * m32c-tdep.c: Likewise. * m32r-linux-nat.c: Likewise. * m32r-tdep.c: Likewise. * m68k-tdep.c: Likewise. * m68kbsd-nat.c: Likewise. * m68kbsd-tdep.c: Likewise. * m88k-tdep.c: Likewise. * machoread.c: Likewise. * macroexp.c: Likewise. * macrotab.c: Likewise. * maint.c: Likewise. * mdebugread.c: Likewise. * memory-map.c: Likewise. * mep-tdep.c: Likewise. * mi/mi-common.c: Likewise. * microblaze-tdep.c: Likewise. * mingw-hdep.c: Likewise. * mips-linux-nat.c: Likewise. * mips-linux-tdep.c: Likewise. * mips-tdep.c: Likewise. * mips64obsd-tdep.c: Likewise. * mipsnbsd-tdep.c: Likewise. * mn10300-linux-tdep.c: Likewise. * mn10300-tdep.c: Likewise. * moxie-tdep.c: Likewise. * mt-tdep.c: Likewise. * nat/linux-btrace.c: Likewise. * nat/linux-osdata.c: Likewise. * nat/linux-ptrace.c: Likewise. * nat/mips-linux-watch.c: Likewise. * nios2-linux-tdep.c: Likewise. * nios2-tdep.c: Likewise. * objc-lang.c: Likewise. * objfiles.c: Likewise. * obsd-nat.c: Likewise. * opencl-lang.c: Likewise. * osabi.c: Likewise. * parse.c: Likewise. * ppc-linux-nat.c: Likewise. * ppc-sysv-tdep.c: Likewise. * ppcfbsd-nat.c: Likewise. * ppcfbsd-tdep.c: Likewise. * ppcnbsd-nat.c: Likewise. * ppcnbsd-tdep.c: Likewise. * ppcobsd-nat.c: Likewise. * ppcobsd-tdep.c: Likewise. * printcmd.c: Likewise. * procfs.c: Likewise. * prologue-value.c: Likewise. * psymtab.c: Likewise. * python/py-lazy-string.c: Likewise. * python/py-value.c: Likewise. * regcache.c: Likewise. * reggroups.c: Likewise. * registry.c: Likewise. * remote-sim.c: Likewise. * remote.c: Likewise. * rs6000-aix-tdep.c: Likewise. * rs6000-tdep.c: Likewise. * s390-linux-tdep.c: Likewise. * score-tdep.c: Likewise. * ser-base.c: Likewise. * ser-mingw.c: Likewise. * sh-tdep.c: Likewise. * sh64-tdep.c: Likewise. * solib-darwin.c: Likewise. * solib-spu.c: Likewise. * solib-svr4.c: Likewise. * source.c: Likewise. * sparc-nat.c: Likewise. * sparc-sol2-tdep.c: Likewise. * sparc-tdep.c: Likewise. * sparc64-sol2-tdep.c: Likewise. * sparc64-tdep.c: Likewise. * sparc64fbsd-tdep.c: Likewise. * sparc64nbsd-tdep.c: Likewise. * sparc64obsd-tdep.c: Likewise. * sparcnbsd-tdep.c: Likewise. * sparcobsd-tdep.c: Likewise. * spu-multiarch.c: Likewise. * spu-tdep.c: Likewise. * stabsread.c: Likewise. * stack.c: Likewise. * symfile.c: Likewise. * symtab.c: Likewise. * target-descriptions.c: Likewise. * target-memory.c: Likewise. * target.c: Likewise. * tic6x-linux-tdep.c: Likewise. * tic6x-tdep.c: Likewise. * tilegx-linux-nat.c: Likewise. * tilegx-tdep.c: Likewise. * top.c: Likewise. * tramp-frame.c: Likewise. * tui/tui-out.c: Likewise. * tui/tui-winsource.c: Likewise. * ui-out.c: Likewise. * user-regs.c: Likewise. * utils.c: Likewise. * v850-tdep.c: Likewise. * valops.c: Likewise. * value.c: Likewise. * varobj.c: Likewise. * vax-nat.c: Likewise. * xml-syscall.c: Likewise. * xml-tdesc.c: Likewise. * xstormy16-tdep.c: Likewise. * xtensa-linux-nat.c: Likewise. * xtensa-tdep.c: Likewise. gdb/gdbserver/ 2014-08-07 Gary Benson <gbenson@redhat.com> * server.h: Do not include gdb_assert.h.
223 lines
7.2 KiB
C
223 lines
7.2 KiB
C
/* GNU/Linux on TI C6x target support.
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Copyright (C) 2011-2014 Free Software Foundation, Inc.
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Contributed by Yao Qi <yao@codesourcery.com>
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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 "solib.h"
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#include "osabi.h"
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#include "linux-tdep.h"
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#include "tic6x-tdep.h"
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#include "trad-frame.h"
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#include "tramp-frame.h"
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#include "elf-bfd.h"
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#include "elf/tic6x.h"
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#include "features/tic6x-c64xp-linux.c"
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#include "features/tic6x-c64x-linux.c"
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#include "features/tic6x-c62x-linux.c"
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/* The offset from rt_sigframe pointer to SP register. */
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#define TIC6X_SP_RT_SIGFRAME 8
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/* Size of struct siginfo info. */
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#define TIC6X_SIGINFO_SIZE 128
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/* Size of type stack_t, which contains three fields of type void*, int, and
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size_t respectively. */
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#define TIC6X_STACK_T_SIZE (3 * 4)
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static const gdb_byte tic6x_bkpt_bnop_be[] = { 0x00, 0x00, 0xa1, 0x22 };
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static const gdb_byte tic6x_bkpt_bnop_le[] = { 0x22, 0xa1, 0x00, 0x00 };
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/* Return the offset of register REGNUM in struct sigcontext. Return 0 if no
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such register in sigcontext. */
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static unsigned int
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tic6x_register_sigcontext_offset (unsigned int regnum, struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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if (regnum == TIC6X_A4_REGNUM || regnum == TIC6X_A4_REGNUM + 2
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|| regnum == TIC6X_A4_REGNUM + 4)
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return 4 * (regnum - TIC6X_A4_REGNUM + 2); /* A4, A6, A8 */
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else if (regnum == TIC6X_A5_REGNUM || regnum == TIC6X_A5_REGNUM + 2
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|| regnum == TIC6X_A5_REGNUM + 4)
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return 4 * (regnum - TIC6X_A5_REGNUM + 12); /* A5, A7, A9 */
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else if (regnum == TIC6X_B4_REGNUM || regnum == TIC6X_B4_REGNUM + 2
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|| regnum == TIC6X_B4_REGNUM + 4)
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return 4 * (regnum - TIC6X_B4_REGNUM + 3); /* B4, B6, B8 */
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else if (regnum == TIC6X_B5_REGNUM || regnum == TIC6X_B5_REGNUM + 2
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|| regnum == TIC6X_B5_REGNUM + 4)
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return 4 * (regnum - TIC6X_B5_REGNUM + 19); /* B5, B7, B9 */
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else if (regnum < TIC6X_A4_REGNUM)
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return 4 * (regnum - 0 + 8); /* A0 - A3 */
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else if (regnum >= TIC6X_B0_REGNUM && regnum < TIC6X_B4_REGNUM)
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return 4 * (regnum - TIC6X_B0_REGNUM + 15); /* B0 - B3 */
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else if (regnum >= 34 && regnum < 34 + 32)
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return 4 * (regnum - 34 + 23); /* A16 - A31, B16 - B31 */
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else if (regnum == TIC6X_PC_REGNUM)
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return 4 * (tdep->has_gp ? 55 : 23);
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else if (regnum == TIC6X_SP_REGNUM)
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return 4;
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return 0;
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}
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/* Support unwinding frame in signal trampoline. We don't check sigreturn,
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since it is not used in kernel. */
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static void
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tic6x_linux_rt_sigreturn_init (const struct tramp_frame *self,
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struct frame_info *this_frame,
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struct trad_frame_cache *this_cache,
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CORE_ADDR func)
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{
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struct gdbarch *gdbarch = get_frame_arch (this_frame);
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CORE_ADDR sp = get_frame_register_unsigned (this_frame, TIC6X_SP_REGNUM);
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/* The base of struct sigcontext is computed by examining the definition of
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struct rt_sigframe in linux kernel source arch/c6x/kernel/signal.c. */
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CORE_ADDR base = (sp + TIC6X_SP_RT_SIGFRAME
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/* Pointer type *pinfo and *puc in struct rt_sigframe. */
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+ 4 + 4
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+ TIC6X_SIGINFO_SIZE
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+ 4 + 4 /* uc_flags and *uc_link in struct ucontext. */
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+ TIC6X_STACK_T_SIZE);
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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unsigned int reg_offset;
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unsigned int i;
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for (i = 0; i < 10; i++) /* A0 - A9 */
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{
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reg_offset = tic6x_register_sigcontext_offset (i, gdbarch);
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gdb_assert (reg_offset != 0);
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trad_frame_set_reg_addr (this_cache, i, base + reg_offset);
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}
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for (i = TIC6X_B0_REGNUM; i < TIC6X_B0_REGNUM + 10; i++) /* B0 - B9 */
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{
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reg_offset = tic6x_register_sigcontext_offset (i, gdbarch);
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gdb_assert (reg_offset != 0);
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trad_frame_set_reg_addr (this_cache, i, base + reg_offset);
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}
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if (tdep->has_gp)
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for (i = 34; i < 34 + 32; i++) /* A16 - A31, B16 - B31 */
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{
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reg_offset = tic6x_register_sigcontext_offset (i, gdbarch);
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gdb_assert (reg_offset != 0);
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trad_frame_set_reg_addr (this_cache, i, base + reg_offset);
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}
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trad_frame_set_reg_addr (this_cache, TIC6X_PC_REGNUM,
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base + tic6x_register_sigcontext_offset (TIC6X_PC_REGNUM,
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gdbarch));
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trad_frame_set_reg_addr (this_cache, TIC6X_SP_REGNUM,
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base + tic6x_register_sigcontext_offset (TIC6X_SP_REGNUM,
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gdbarch));
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/* Save a frame ID. */
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trad_frame_set_id (this_cache, frame_id_build (sp, func));
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}
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static struct tramp_frame tic6x_linux_rt_sigreturn_tramp_frame =
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{
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SIGTRAMP_FRAME,
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4,
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{
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{0x000045aa, 0x0fffffff}, /* mvk .S2 139,b0 */
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{0x10000000, -1}, /* swe */
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{TRAMP_SENTINEL_INSN}
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},
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tic6x_linux_rt_sigreturn_init
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};
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/* When FRAME is at a syscall instruction, return the PC of the next
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instruction to be executed. */
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static CORE_ADDR
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tic6x_linux_syscall_next_pc (struct frame_info *frame)
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{
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ULONGEST syscall_number = get_frame_register_unsigned (frame,
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TIC6X_B0_REGNUM);
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CORE_ADDR pc = get_frame_pc (frame);
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if (syscall_number == 139 /* rt_sigreturn */)
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return frame_unwind_caller_pc (frame);
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return pc + 4;
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}
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extern struct target_so_ops dsbt_so_ops;
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static void
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tic6x_uclinux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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linux_init_abi (info, gdbarch);
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/* Shared library handling. */
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set_solib_ops (gdbarch, &dsbt_so_ops);
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tdep->syscall_next_pc = tic6x_linux_syscall_next_pc;
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#ifdef HAVE_ELF
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/* In tic6x Linux kernel, breakpoint instructions varies on different archs.
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On C64x+ and C67x+, breakpoint instruction is 0x56454314, which is an
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illegal opcode. On other arch, breakpoint instruction is 0x0000a122
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(BNOP .S2 0,5). */
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if (info.abfd)
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switch (bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_PROC, Tag_ISA))
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{
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case C6XABI_Tag_ISA_C64XP:
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case C6XABI_Tag_ISA_C67XP:
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if (info.byte_order == BFD_ENDIAN_BIG)
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tdep->breakpoint = tic6x_bkpt_illegal_opcode_be;
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else
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tdep->breakpoint = tic6x_bkpt_illegal_opcode_le;
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break;
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default:
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{
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if (info.byte_order == BFD_ENDIAN_BIG)
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tdep->breakpoint = tic6x_bkpt_bnop_be;
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else
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tdep->breakpoint = tic6x_bkpt_bnop_le;
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}
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}
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#endif
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/* Signal trampoline support. */
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tramp_frame_prepend_unwinder (gdbarch,
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&tic6x_linux_rt_sigreturn_tramp_frame);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern initialize_file_ftype _initialize_tic6x_linux_tdep;
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void
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_initialize_tic6x_linux_tdep (void)
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{
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gdbarch_register_osabi (bfd_arch_tic6x, 0, GDB_OSABI_LINUX,
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tic6x_uclinux_init_abi);
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initialize_tdesc_tic6x_c64xp_linux ();
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initialize_tdesc_tic6x_c64x_linux ();
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initialize_tdesc_tic6x_c62x_linux ();
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}
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