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-rw-r--r--gdb/ChangeLog170
-rw-r--r--gdb/config/mips/tm-irix5.h12
-rw-r--r--gdb/config/mips/tm-irix6.h12
-rw-r--r--gdb/config/mips/tm-mips.h14
-rw-r--r--gdb/mips-tdep.c74
5 files changed, 173 insertions, 109 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a8618f5..9ebf2dc 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,173 @@
+2002-06-11 Daniel Jacobowitz <drow@mvista.com>
+
+ * mips-tdep.c (MIPS_FPU_TYPE, FP_REGISTER_DOUBLE, MIPS_EABI)
+ (MIPS_LAST_FP_ARG_REGNUM, MIPS_LAST_ARG_REGNUM)
+ (MIPS_DEFAULT_SAVED_REGSIZE, MIPS_REGS_HAVE_HOME_P)
+ (MIPS_DEFAULT_STACK_ARGSIZE, GDB_TARGET_IS_MIPS64)
+ (MIPS_DEFAULT_MASK_ADDRESS_P): Remove obsolete definitions. Define
+ unconditionally.
+ (set_mipsfpu_single_command, set_mipsfpu_double_command)
+ (set_mipsfpu_none_command): Remove if (GDB_MULTI_ARCH).
+ (_initialize_mips_tdep): Remove dead code.
+ * config/mips/tm-irix5.h (MIPS_LAST_ARG_REGNUM)
+ (MIPS_DEFAULT_STACK_ARGSIZE, MIPS_REGS_HAVE_HOME_P): Remove.
+ * config/mips/tm-irix6.h (MIPS_LAST_ARG_REGNUM)
+ (MIPS_DEFAULT_STACK_ARGSIZE, MIPS_REGS_HAVE_HOME_P): Remove.
+ * config/mips/tm-mips.h (MIPS_EABI, MIPS_LAST_ARG_REGNUM,
+ MIPS_LAST_FP_ARG_REGNUM): Remove.
+
+2002-06-11 Daniel Jacobowitz <drow@mvista.com>
+
+ * gdbserver/thread-db.c: New file.
+ * gdbserver/proc-service.c: New file.
+ * gdbserver/acinclude.m4: New file.
+ * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h,
+ proc-service.o, and thread-db.o.
+ (linux-low.o): Add USE_THREAD_DB.
+ * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T,
+ HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN.
+ * gdbserver/aclocal.m4: Regenerated.
+ * gdbserver/config.in: Regenerated.
+ * gdbserver/configure: Regenerated.
+ * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h,
+ thread_db.h, and linux/elf.h headrs.
+ Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and
+ PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB.
+ Check for -lthread_db and thread support.
+ * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS,
+ PowerPC, and SuperH.
+ * gdbserver/i387-fp.c: Constify arguments.
+ * gdbserver/i387-fp.h: Likewise.
+ * gdbserver/inferiors.c: (struct thread_info): Renamed from
+ `struct inferior_info'. Remove PID member. Use generic inferior
+ list header. All uses updated.
+ (inferiors, signal_pid): Removed.
+ (all_threads): New variable.
+ (get_thread): Define.
+ (add_inferior_to_list): New function.
+ (for_each_inferior): New function.
+ (change_inferior_id): New function.
+ (add_inferior): Removed.
+ (remove_inferior): New function.
+ (add_thread): New function.
+ (free_one_thread): New function.
+ (remove_thread): New function.
+ (clear_inferiors): Use for_each_inferior and free_one_thread.
+ (find_inferior): New function.
+ (find_inferior_id): New function.
+ (inferior_target_data): Update argument type.
+ (set_inferior_target_data): Likewise.
+ (inferior_regcache_data): Likewise.
+ (set_inferior_regcache_data): Likewise.
+ * gdbserver/linux-low.c (linux_bp_reinsert): Remove.
+ (all_processes, stopping_threads, using_thrads)
+ (struct pending_signals, debug_threads, pid_of): New.
+ (inferior_pid): Replace with macro.
+ (struct inferior_linux_data): Remove.
+ (get_stop_pc, add_process): New functions.
+ (linux_create_inferior): Restore SIGRTMIN+1 before calling exec.
+ Use add_process and add_thread.
+ (linux_attach_lwp): New function, based on old linux_attach. Use
+ add_process and add_thread. Set stop_expected for new threads.
+ (linux_attach): New function.
+ (linux_kill_one_process): New function.
+ (linux_kill): Kill all LWPs.
+ (linux_thread_alive): Use find_inferior_id.
+ (check_removed_breakpoints, status_pending_p): New functions.
+ (linux_wait_for_process): Renamed from linux_wait_for_one_inferior.
+ Update. Use WNOHANG. Wait for cloned processes also. Update process
+ struct for the found process.
+ (linux_wait_for_event): New function.
+ (linux_wait): Use it. Support LWPs.
+ (send_sigstop, wait_for_sigstop, stop_all_processes)
+ (linux_resume_one_process, linux_continue_one_process): New functions.
+ (linux_resume): Support LWPs.
+ (REGISTER_RAW_SIZE): Remove.
+ (fetch_register): Use register_size instead. Call supply_register.
+ (usr_store_inferior_registers): Likewise. Call collect_register.
+ Fix recursive case.
+ (regsets_fetch_inferior_registers): Improve error message.
+ (regsets_store_inferior_registers): Add debugging.
+ (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB.
+ (unstopped_p, linux_signal_pid): New functions.
+ (linux_target_ops): Add linux_signal_pid.
+ (linux_init_signals): New function.
+ (initialize_low): Call it. Initialize using_threads.
+ * gdbserver/regcache.c (inferior_regcache_data): Add valid
+ flag.
+ (get_regcache): Fetch registers lazily. Add fetch argument
+ and update all callers.
+ (regcache_invalidate_one, regcache_invalidate): New
+ functions.
+ (new_register_cache): Renamed from create_register_cache.
+ Return the new regcache.
+ (free_register_cache): Change argument to a void *.
+ (registers_to_string, registers_from_string): Call get_regcache
+ with fetch flag set.
+ (register_data): Make static. Pass fetch flag to get_regcache.
+ (supply_register): Call get_regcache with fetch flag clear.
+ (collect_register): Call get_regcache with fetch flag set.
+ (collect_register_as_string): New function.
+ * gdbserver/regcache.h: Update.
+ * gdbserver/remote-utils.c (putpkt): Flush after debug output and use
+ stderr.
+ Handle input interrupts while waiting for an ACK.
+ (input_interrupt): Use signal_pid method.
+ (getpkt): Flush after debug output and use stderr.
+ (outreg): Use collect_register_as_string.
+ (new_thread_notify, dead_thread_notify): New functions.
+ (prepare_resume_reply): Check using_threads. Set thread_from_wait
+ and general_thread.
+ (look_up_one_symbol): Flush after debug output.
+ * gdbserver/server.c (step_thread, server_waiting): New variables.
+ (start_inferior): Don't use signal_pid. Update call to mywait.
+ (attach_inferior): Update call to mywait.
+ (handle_query): Handle qfThreadInfo and qsThreadInfo.
+ (main): Don't fetch/store registers explicitly. Use
+ set_desired_inferior. Support proposed ``Hs'' packet. Update
+ calls to mywait.
+ * gdbserver/server.h: Update.
+ (struct inferior_list, struct_inferior_list_entry): New.
+ * gdbserver/target.c (set_desired_inferior): New.
+ (write_inferior_memory): Constify.
+ (mywait): New function.
+ * gdbserver/target.h: Update.
+ (struct target_ops): New signal_pid method.
+ (mywait): Removed macro, added prototype.
+
+ * gdbserver/linux-low.h (regset_func): Removed.
+ (regset_fill_func, regset_store_func): New.
+ (enum regset_type): New.
+ (struct regset_info): Add type field. Use new operation types.
+ (struct linux_target_ops): stop_pc renamed to get_pc.
+ Add decr_pc_after_break and breakpoint_at.
+ (get_process, get_thread_proess, get_process_thread)
+ (strut process_info, all_processes, linux_attach_lwp)
+ (thread_db_init): New.
+
+ * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc,
+ arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New.
+ (the_low_target): Add new members.
+ * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset)
+ (i386_store_fpxregset): Constify.
+ (target_regsets): Add new kind identifier.
+ (i386_get_pc): Renamed from i386_stop_pc. Simplify.
+ (i386_set_pc): Add debugging.
+ (i386_breakpoint_at): New function.
+ (the_low_target): Add new members.
+ * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc)
+ (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr)
+ (mips_breakpoint_at): New.
+ (the_low_target): Add new members.
+ * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc)
+ (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New.
+ (the_low_target): Add new members.
+ * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc)
+ (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New.
+ (the_low_target): Add new members.
+ * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind
+ identifier.
+
2002-06-11 Michal Ludvig <mludvig@suse.cz>
* dwarf2cfi.c (unwind_tmp_obstack_init): New.
diff --git a/gdb/config/mips/tm-irix5.h b/gdb/config/mips/tm-irix5.h
index 49b842f..1a88de0 100644
--- a/gdb/config/mips/tm-irix5.h
+++ b/gdb/config/mips/tm-irix5.h
@@ -48,18 +48,6 @@
: ((N) >= 70 && (N) <= 89) ? builtin_type_uint32 \
: builtin_type_int)
-#undef MIPS_LAST_ARG_REGNUM
-#define MIPS_LAST_ARG_REGNUM 11 /* N32 uses R4 through R11 for args */
-
-/* MIPS_STACK_ARGSIZE -- how many bytes does a pushed function arg take
- up on the stack? For the n32 ABI, eight bytes are reserved for each
- register. Like MIPS_SAVED_REGSIZE but different. */
-#define MIPS_DEFAULT_STACK_ARGSIZE 8
-
-/* N32 does not reserve home space for registers used to carry
- parameters. */
-#define MIPS_REGS_HAVE_HOME_P 0
-
/* Force N32 ABI as the default. */
#define MIPS_DEFAULT_ABI MIPS_ABI_N32
diff --git a/gdb/config/mips/tm-irix6.h b/gdb/config/mips/tm-irix6.h
index 2d90b2e..70b5f6f 100644
--- a/gdb/config/mips/tm-irix6.h
+++ b/gdb/config/mips/tm-irix6.h
@@ -95,18 +95,6 @@
: ((N) >= 70 && (N) <= 89) ? builtin_type_uint32 \
: builtin_type_int)
-#undef MIPS_LAST_ARG_REGNUM
-#define MIPS_LAST_ARG_REGNUM 11 /* N32 uses R4 through R11 for args */
-
-/* MIPS_STACK_ARGSIZE -- how many bytes does a pushed function arg take
- up on the stack? For the n32 ABI, eight bytes are reserved for each
- register. Like MIPS_SAVED_REGSIZE but different. */
-#define MIPS_DEFAULT_STACK_ARGSIZE 8
-
-/* N32 does not reserve home space for registers used to carry
- parameters. */
-#define MIPS_REGS_HAVE_HOME_P 0
-
/* Force N32 ABI as the default. */
#define MIPS_DEFAULT_ABI MIPS_ABI_N32
diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h
index 8403ef8..3dada3b 100644
--- a/gdb/config/mips/tm-mips.h
+++ b/gdb/config/mips/tm-mips.h
@@ -38,10 +38,6 @@ struct value;
#include "coff/sym.h" /* Needed for PDR below. */
#include "coff/symconst.h"
-#if !defined (MIPS_EABI)
-#define MIPS_EABI 0
-#endif
-
/* PC should be masked to remove possible MIPS16 flag */
#if !defined (GDB_TARGET_MASK_DISAS_PC)
#define GDB_TARGET_MASK_DISAS_PC(addr) UNMAKE_MIPS16_ADDR(addr)
@@ -130,11 +126,6 @@ extern char *mips_register_name (int regnr);
#define ZERO_REGNUM 0 /* read-only register, always 0 */
#define V0_REGNUM 2 /* Function integer return value */
#define A0_REGNUM 4 /* Loc of first arg during a subr call */
-#if MIPS_EABI
-#define MIPS_LAST_ARG_REGNUM 11 /* EABI uses R4 through R11 for args */
-#else
-#define MIPS_LAST_ARG_REGNUM 7 /* old ABI uses R4 through R7 for args */
-#endif
#define T9_REGNUM 25 /* Contains address of callee in PIC */
#define SP_REGNUM 29 /* Contains address of top of stack */
#define RA_REGNUM 31 /* Contains return address value */
@@ -146,11 +137,6 @@ extern char *mips_register_name (int regnr);
#define PC_REGNUM 37 /* Contains program counter */
#define FP0_REGNUM 38 /* Floating point register 0 (single float) */
#define FPA0_REGNUM (FP0_REGNUM+12) /* First float argument register */
-#if MIPS_EABI /* EABI uses F12 through F19 for args */
-#define MIPS_LAST_FP_ARG_REGNUM (FP0_REGNUM+19)
-#else /* old ABI uses F12 through F15 for args */
-#define MIPS_LAST_FP_ARG_REGNUM (FP0_REGNUM+15)
-#endif
#define FCRCS_REGNUM 70 /* FP control/status */
#define FCRIR_REGNUM 71 /* FP implementation/revision */
#define FP_REGNUM 72 /* Pseudo register that contains true address of executing stack frame */
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index c62886c..0c42caf 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -106,12 +106,6 @@ enum mips_fpu_type
#endif
static int mips_fpu_type_auto = 1;
static enum mips_fpu_type mips_fpu_type = MIPS_DEFAULT_FPU_TYPE;
-#define MIPS_FPU_TYPE mips_fpu_type
-
-/* Do not use "TARGET_IS_MIPS64" to test the size of floating point registers */
-#ifndef FP_REGISTER_DOUBLE
-#define FP_REGISTER_DOUBLE (REGISTER_VIRTUAL_SIZE(FP0_REGNUM) == 8)
-#endif
static int mips_debug = 0;
@@ -137,35 +131,18 @@ struct gdbarch_tdep
enum gdb_osabi osabi;
};
-#if GDB_MULTI_ARCH
-#undef MIPS_EABI
#define MIPS_EABI (gdbarch_tdep (current_gdbarch)->mips_abi == MIPS_ABI_EABI32 \
|| gdbarch_tdep (current_gdbarch)->mips_abi == MIPS_ABI_EABI64)
-#endif
-#if GDB_MULTI_ARCH
-#undef MIPS_LAST_FP_ARG_REGNUM
#define MIPS_LAST_FP_ARG_REGNUM (gdbarch_tdep (current_gdbarch)->mips_last_fp_arg_regnum)
-#endif
-#if GDB_MULTI_ARCH
-#undef MIPS_LAST_ARG_REGNUM
#define MIPS_LAST_ARG_REGNUM (gdbarch_tdep (current_gdbarch)->mips_last_arg_regnum)
-#endif
-#if GDB_MULTI_ARCH
-#undef MIPS_FPU_TYPE
#define MIPS_FPU_TYPE (gdbarch_tdep (current_gdbarch)->mips_fpu_type)
-#endif
/* Return the currently configured (or set) saved register size. */
-#if GDB_MULTI_ARCH
-#undef MIPS_DEFAULT_SAVED_REGSIZE
#define MIPS_DEFAULT_SAVED_REGSIZE (gdbarch_tdep (current_gdbarch)->mips_default_saved_regsize)
-#elif !defined (MIPS_DEFAULT_SAVED_REGSIZE)
-#define MIPS_DEFAULT_SAVED_REGSIZE MIPS_REGSIZE
-#endif
static const char *mips_saved_regsize_string = size_auto;
@@ -212,31 +189,18 @@ mips2_fp_compat (void)
form double-precision values). Do not use "TARGET_IS_MIPS64" to
determine if the ABI is using double-precision registers. See also
MIPS_FPU_TYPE. */
-#if GDB_MULTI_ARCH
-#undef FP_REGISTER_DOUBLE
#define FP_REGISTER_DOUBLE (gdbarch_tdep (current_gdbarch)->mips_fp_register_double)
-#endif
/* Does the caller allocate a ``home'' for each register used in the
function call? The N32 ABI and MIPS_EABI do not, the others do. */
-#if GDB_MULTI_ARCH
-#undef MIPS_REGS_HAVE_HOME_P
#define MIPS_REGS_HAVE_HOME_P (gdbarch_tdep (current_gdbarch)->mips_regs_have_home_p)
-#elif !defined (MIPS_REGS_HAVE_HOME_P)
-#define MIPS_REGS_HAVE_HOME_P (!MIPS_EABI)
-#endif
/* The amount of space reserved on the stack for registers. This is
different to MIPS_SAVED_REGSIZE as it determines the alignment of
data allocated after the registers have run out. */
-#if GDB_MULTI_ARCH
-#undef MIPS_DEFAULT_STACK_ARGSIZE
#define MIPS_DEFAULT_STACK_ARGSIZE (gdbarch_tdep (current_gdbarch)->mips_default_stack_argsize)
-#elif !defined (MIPS_DEFAULT_STACK_ARGSIZE)
-#define MIPS_DEFAULT_STACK_ARGSIZE (MIPS_DEFAULT_SAVED_REGSIZE)
-#endif
#define MIPS_STACK_ARGSIZE (mips_stack_argsize ())
@@ -253,17 +217,9 @@ mips_stack_argsize (void)
return 4;
}
-#if GDB_MULTI_ARCH
-#undef GDB_TARGET_IS_MIPS64
#define GDB_TARGET_IS_MIPS64 (gdbarch_tdep (current_gdbarch)->gdb_target_is_mips64 + 0)
-#endif
-#if GDB_MULTI_ARCH
-#undef MIPS_DEFAULT_MASK_ADDRESS_P
#define MIPS_DEFAULT_MASK_ADDRESS_P (gdbarch_tdep (current_gdbarch)->default_mask_address_p)
-#elif !defined (MIPS_DEFAULT_MASK_ADDRESS_P)
-#define MIPS_DEFAULT_MASK_ADDRESS_P (0)
-#endif
#define VM_MIN_ADDRESS (CORE_ADDR)0x400000
@@ -3567,10 +3523,7 @@ set_mipsfpu_single_command (char *args, int from_tty)
{
mips_fpu_type = MIPS_FPU_SINGLE;
mips_fpu_type_auto = 0;
- if (GDB_MULTI_ARCH)
- {
- gdbarch_tdep (current_gdbarch)->mips_fpu_type = MIPS_FPU_SINGLE;
- }
+ gdbarch_tdep (current_gdbarch)->mips_fpu_type = MIPS_FPU_SINGLE;
}
static void
@@ -3578,10 +3531,7 @@ set_mipsfpu_double_command (char *args, int from_tty)
{
mips_fpu_type = MIPS_FPU_DOUBLE;
mips_fpu_type_auto = 0;
- if (GDB_MULTI_ARCH)
- {
- gdbarch_tdep (current_gdbarch)->mips_fpu_type = MIPS_FPU_DOUBLE;
- }
+ gdbarch_tdep (current_gdbarch)->mips_fpu_type = MIPS_FPU_DOUBLE;
}
static void
@@ -3589,10 +3539,7 @@ set_mipsfpu_none_command (char *args, int from_tty)
{
mips_fpu_type = MIPS_FPU_NONE;
mips_fpu_type_auto = 0;
- if (GDB_MULTI_ARCH)
- {
- gdbarch_tdep (current_gdbarch)->mips_fpu_type = MIPS_FPU_NONE;
- }
+ gdbarch_tdep (current_gdbarch)->mips_fpu_type = MIPS_FPU_NONE;
}
static void
@@ -4970,21 +4917,6 @@ This option can be set to one of:\n\
"Show current use of MIPS floating-point coprocessor target.",
&showlist);
-#if !GDB_MULTI_ARCH
- c = add_set_cmd ("processor", class_support, var_string_noescape,
- (char *) &tmp_mips_processor_type,
- "Set the type of MIPS processor in use.\n\
-Set this to be able to access processor-type-specific registers.\n\
-",
- &setlist);
- set_cmd_cfunc (c, mips_set_processor_type_command);
- c = add_show_from_set (c, &showlist);
- set_cmd_cfunc (c, mips_show_processor_type_command);
-
- tmp_mips_processor_type = xstrdup (DEFAULT_MIPS_TYPE);
- mips_set_processor_type_command (xstrdup (DEFAULT_MIPS_TYPE), 0);
-#endif
-
/* We really would like to have both "0" and "unlimited" work, but
command.c doesn't deal with that. So make it a var_zinteger
because the user can always use "999999" or some such for unlimited. */