darling-gdb/gdb/amd64-sol2-tdep.c
Pedro Alves 28439f5ef7 * corelow.c (get_core_registers): Adjust.
(core_file_thread_alive): Rename to...
	(core_thread_alive): ... this.
	(core_pid_to_str): Try gdbarch_core_pid_to_str first.
	(init_core_ops): Adjust.
	(coreops_suppress_target): Delete.
	(_initialize_corelow): Unconditionally add core_ops.
	* procfs.c: Include "inf-child.h".
	(procfs_ops): Delete.
	(init_procfs_ops): Delete.  Reimplement as...
	(procfs_target): ... this, inheriting from inf-child.
	(procfs_attach, procfs_detach, procfs_fetch_registers): Adjust.
	(procfs_prepare_to_store): Delete.
	(procfs_store_registers, procfs_resume): Adjust.
	(procfs_open): Delete.
	(procfs_suppress_run): Delete.
	(procfs_can_run): Delete.
	(procfs_mourn_inferior): Adjust.
	(procfs_init_inferior): Add target_ops parameter.  Adjust.
	(procfs_create_inferior): Don't pass procfs_init_inferior to
	fork_inferior.  Instead call it after fork_inferior returns.
	(procfs_find_new_threads): Adjust.
	(_initialize_procfs): Adjust to use procfs_target instead of
	init_procfs_ops.
	* sol-thread.c (orig_core_ops, sol_core_ops): Delete.
	(lwp_to_thread): Use target_thread_alive.
	(sol_thread_open): Delete.
	(sol_thread_attach): Delete.
	(sol_thread_detach, sol_thread_resume, sol_thread_wait)
	(sol_thread_fetch_registers, sol_thread_store_registers): Adjust
	to use find_target_beneath.
	(sol_thread_prepare_to_store, sol_thread_xfer_memory): Delete.
	(sol_thread_xfer_partial): Adjust to use find_target_beneath.
	(sol_thread_files_info, sol_thread_kill_inferior): Delete.
	(check_for_thread_db): New.
	(sol_thread_notice_signals, sol_thread_create_inferior): Delete.
	(sol_thread_new_objfile): Call check_for_thread_db.
	(sol_thread_mourn_inferior): Adjust to use find_target_beneath.
	(sol_thread_can_run): Delete.
	(sol_thread_alive): Adjust to use find_target_beneath.
	(sol_thread_stop): Delete.
	(rw_common): Use target_write_memory or target_read_memory.
	(ps_lgetregs, ps_lgetfpregs): Use target_fetch_registers.
	(ps_lsetregs, ps_lsetfpregs): Use target_store_registers.
	(solaris_pid_to_str): Remove check for libthread_db initialization
	failing.
	(sol_find_new_threads): Remove check for libthread_db
	initialization failing, or for an invalid inferior_ptid.  Adjust
	to use find_target_beneath.
	(sol_core_open, sol_core_close, sol_core_detach,
	sol_core_files_info, sol_find_memory_regions,
	sol_make_note_section, ignore): Delete.
	(init_sol_thread_ops): Make it a thread_stratum target.  Remove
	unneeded callback settings.
	(init_sol_core_ops): Delete.
	(_initialize_sol_thread): No longer call init_sol_core_ops, set
	procfs_suppress_run, or hack with core_ops.

	* target.h (struct target_ops): Add a target_ops * parameter to
	to_resume, to_fetch_registers, to_store_registers, to_thread_alive
	and to_find_new_threads.
	(target_fetch_registers, target_store_registers)
	(target_thread_alive, target_find_new_threads): Redeclare as
	function.

	* target.c (update_current_target): Do not inherit or de_fault
	to_resume, to_fetch_registers, to_store_registers,
	to_thread_alive, to_find_new_threads.
	(target_resume): Adjust.
	(target_thread_alive, target_find_new_threads): New.
	(debug_to_resume, debug_to_fetch_registers): Delete.
	(target_fetch_registers): New.
	(debug_to_store_registers): Delete.
	(target_store_registers): New.
	(debug_to_thread_alive, debug_to_find_new_threads): Delete.
	(setup_target_debug): Adjust.

	* gdbcore.h (core_ops): Delete declaration.

	* inf-ptrace.c, linux-nat.c, remote.c, amd64-linux-nat.c,
	inf-child.c, linux-thread-db.c, bsd-uthread.c, inf-ttrace.c,
	i386-sol2-tdep.c, darwin-nat.c, gnu-nat.c, go32-nat.c,
	hpux-thread.c, i386-linux-nat.c, i386fbsd-nat.c, monitor.c,
	nto-procfs.c, remote-m32r-sdi.c, remote-mips.c, windows-nat.c,
	alphabsd-nat.c, amd64bsd-nat.c, arm-linux-nat.c, armnbsd-nat.c,
	bsd-kvm.c, hppa-hpux-nat.c, hppa-linux-nat.c, hppabsd-nat.c,
	hppanbsd-nat.c, i386-darwin-nat.c, i386bsd-nat.c,
	ia64-linux-nat.c, m32r-linux-nat.c, m68kbsd-nat.c,
	m68klinux-nat.c, m88kbsd-nat.c, mips-linux-nat.c,
	mips64obsd-nat.c, mipsnbsd-nat.c, ppc-linux-nat.c, ppcnbsd-nat.c,
	ppcobsd-nat.c, remote-sim.c, rs6000-nat.c, s390-nat.c,
	shnbsd-nat.c, sparc-nat.c, sparc-nat.h, spu-linux-nat.c,
	vaxbsd-nat.c, xtensa-linux-nat.c: Adjust to target_ops changes.

	* gdbarch.sh (core_pid_to_str): New gdbarch callback.
	* gdbarch.h, gdbarch.c: Regenerate.

	* sol2-tdep.c: Include "inferior.h".
	(sol2_core_pid_to_str): New.
	* sol2-tdep.h (sol2_core_pid_to_str): Declare.

	* amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it.
	* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it.
	* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it.
	* i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
2009-02-23 00:03:50 +00:00

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/* Target-dependent code for AMD64 Solaris.
Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Contributed by Joseph Myers, CodeSourcery, LLC.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
#include "gdbcore.h"
#include "regcache.h"
#include "osabi.h"
#include "symtab.h"
#include "gdb_string.h"
#include "sol2-tdep.h"
#include "amd64-tdep.h"
#include "solib-svr4.h"
/* Mapping between the general-purpose registers in gregset_t format
and GDB's register cache layout. */
/* From <sys/regset.h>. */
static int amd64_sol2_gregset_reg_offset[] = {
14 * 8, /* %rax */
11 * 8, /* %rbx */
13 * 8, /* %rcx */
12 * 8, /* %rdx */
9 * 8, /* %rsi */
8 * 8, /* %rdi */
10 * 8, /* %rbp */
20 * 8, /* %rsp */
7 * 8, /* %r8 ... */
6 * 8,
5 * 8,
4 * 8,
3 * 8,
2 * 8,
1 * 8,
0 * 8, /* ... %r15 */
17 * 8, /* %rip */
16 * 8, /* %eflags */
18 * 8, /* %cs */
21 * 8, /* %ss */
25 * 8, /* %ds */
24 * 8, /* %es */
22 * 8, /* %fs */
23 * 8 /* %gs */
};
/* Return whether THIS_FRAME corresponds to a Solaris sigtramp
routine. */
static int
amd64_sol2_sigtramp_p (struct frame_info *this_frame)
{
CORE_ADDR pc = get_frame_pc (this_frame);
char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
return (name && (strcmp ("sigacthandler", name) == 0
|| strcmp (name, "ucbsigvechandler") == 0));
}
/* Solaris doesn't have a 'struct sigcontext', but it does have a
'mcontext_t' that contains the saved set of machine registers. */
static CORE_ADDR
amd64_sol2_mcontext_addr (struct frame_info *this_frame)
{
CORE_ADDR sp, ucontext_addr;
sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);
ucontext_addr = get_frame_memory_unsigned (this_frame, sp + 8, 8);
return ucontext_addr + 72;
}
static void
amd64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset_reg_offset = amd64_sol2_gregset_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64_sol2_gregset_reg_offset);
tdep->sizeof_gregset = 28 * 8;
amd64_init_abi (info, gdbarch);
tdep->sigtramp_p = amd64_sol2_sigtramp_p;
tdep->sigcontext_addr = amd64_sol2_mcontext_addr;
tdep->sc_reg_offset = tdep->gregset_reg_offset;
tdep->sc_num_regs = tdep->gregset_num_regs;
/* Solaris uses SVR4-style shared libraries. */
set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* Solaris encodes the pid of the inferior in regset section
names. */
set_gdbarch_core_reg_section_encodes_pid (gdbarch, 1);
/* How to print LWP PTIDs from core files. */
set_gdbarch_core_pid_to_str (gdbarch, sol2_core_pid_to_str);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern void _initialize_amd64_sol2_tdep (void);
void
_initialize_amd64_sol2_tdep (void)
{
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
GDB_OSABI_SOLARIS, amd64_sol2_init_abi);
}