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99 lines
4.1 KiB
C
99 lines
4.1 KiB
C
/* Declarations for common target functions.
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Copyright (C) 1986-2017 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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#ifndef TARGET_COMMON_H
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#define TARGET_COMMON_H
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#include "target/waitstatus.h"
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/* This header is a stopgap until more code is shared. */
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/* Read LEN bytes of target memory at address MEMADDR, placing the
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results in GDB's memory at MYADDR. Return zero for success,
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nonzero if any error occurs. This function must be provided by
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the client. Implementations of this function may define and use
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their own error codes, but functions in the common, nat and target
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directories must treat the return code as opaque. No guarantee is
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made about the contents of the data at MYADDR if any error
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occurs. */
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extern int target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr,
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ssize_t len);
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/* Read an unsigned 32-bit integer in the target's format from target
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memory at address MEMADDR, storing the result in GDB's format in
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GDB's memory at RESULT. Return zero for success, nonzero if any
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error occurs. This function must be provided by the client.
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Implementations of this function may define and use their own error
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codes, but functions in the common, nat and target directories must
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treat the return code as opaque. No guarantee is made about the
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contents of the data at RESULT if any error occurs. */
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extern int target_read_uint32 (CORE_ADDR memaddr, uint32_t *result);
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/* Write LEN bytes from MYADDR to target memory at address MEMADDR.
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Return zero for success, nonzero if any error occurs. This
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function must be provided by the client. Implementations of this
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function may define and use their own error codes, but functions
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in the common, nat and target directories must treat the return
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code as opaque. No guarantee is made about the contents of the
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data at MEMADDR if any error occurs. */
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extern int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
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ssize_t len);
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/* Cause the target to stop in a continuable fashion--for instance,
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under Unix, this should act like SIGSTOP--and wait for the target
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to be stopped before returning. This function must be provided by
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the client. */
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extern void target_stop_and_wait (ptid_t ptid);
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/* Restart a target previously stopped. No signal is delivered to the
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target. This function must be provided by the client. */
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extern void target_continue_no_signal (ptid_t ptid);
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/* Restart a target previously stopped. SIGNAL is delivered to the
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target. This function must be provided by the client. */
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extern void target_continue (ptid_t ptid, enum gdb_signal signal);
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/* Wait for process pid to do something. PTID = -1 to wait for any
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pid to do something. Return pid of child, or -1 in case of error;
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store status through argument pointer STATUS. Note that it is
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_NOT_ OK to throw_exception() out of target_wait() without popping
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the debugging target from the stack; GDB isn't prepared to get back
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to the prompt with a debugging target but without the frame cache,
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stop_pc, etc., set up. OPTIONS is a bitwise OR of TARGET_W*
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options. */
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extern ptid_t target_wait (ptid_t ptid, struct target_waitstatus *status,
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int options);
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/* The inferior process has died. Do what is right. */
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extern void target_mourn_inferior (ptid_t ptid);
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/* Return 1 if this target can debug multiple processes
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simultaneously, zero otherwise. */
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extern int target_supports_multi_process (void);
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#endif /* TARGET_COMMON_H */
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