78e24848f6
This is ostensibly to avoid the weirdness of len looking like it might come from a guest and sometimes being used. While we are at it fix up the error checking for the arm-linux-user implementation of the API which got flagged up by Coverity (CID 1401700). Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Semihosting Console
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*
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* Copyright (c) 2019 Linaro Ltd
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef SEMIHOST_CONSOLE_H
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#define SEMIHOST_CONSOLE_H
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/**
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* qemu_semihosting_console_outs:
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* @env: CPUArchState
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* @s: host address of null terminated guest string
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*
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* Send a null terminated guest string to the debug console. This may
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* be the remote gdb session if a softmmu guest is currently being
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* debugged.
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*
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* Returns: number of bytes written.
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*/
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int qemu_semihosting_console_outs(CPUArchState *env, target_ulong s);
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/**
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* qemu_semihosting_console_outc:
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* @env: CPUArchState
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* @s: host address of null terminated guest string
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*
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* Send single character from guest memory to the debug console. This
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* may be the remote gdb session if a softmmu guest is currently being
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* debugged.
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*
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* Returns: nothing
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*/
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void qemu_semihosting_console_outc(CPUArchState *env, target_ulong c);
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/**
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* qemu_semihosting_log_out:
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* @s: pointer to string
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* @len: length of string
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*
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* Send a string to the debug output. Unlike console_out these strings
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* can't be sent to a remote gdb instance as they don't exist in guest
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* memory.
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*
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* Returns: number of bytes written
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*/
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int qemu_semihosting_log_out(const char *s, int len);
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#endif /* SEMIHOST_CONSOLE_H */
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