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plugins/api: split out binary path/start/end/entry code

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To move the main api.c to a single build compilation object we need to
start splitting out user and system specific code. As we need to grob
around host headers we move these particular helpers into the *-user
mode directories.

The binary/start/end/entry helpers are all NOPs for system mode.

While using the plugin-api.c.inc trick means we build for both
linux-user and bsd-user the BSD user-mode command line is still
missing -plugin. This can be enabled once we have reliable check-tcg
tests working for the BSDs.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250304222439.2035603-27-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2025-03-04 22:24:33 +00:00
parent 8c15f6e435
commit 903e870f24
8 changed files with 115 additions and 44 deletions
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43
common-user/plugin-api.c.inc Normal file
View file

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/*
* QEMU Plugin API - *-user-mode only implementations
*
* Common user-mode only APIs are in plugins/api-user. These helpers
* are only specific to the *-user frontends.
*
* Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
* Copyright (C) 2019-2025, Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "qemu/main-loop.h"
#include "qemu/plugin.h"
#include "qemu.h"
/*
* Binary path, start and end locations. Host specific due to TaskState.
*/
const char *qemu_plugin_path_to_binary(void)
{
TaskState *ts = get_task_state(current_cpu);
return g_strdup(ts->bprm->filename);
}
uint64_t qemu_plugin_start_code(void)
{
TaskState *ts = get_task_state(current_cpu);
return ts->info->start_code;
}
uint64_t qemu_plugin_end_code(void)
{
TaskState *ts = get_task_state(current_cpu);
return ts->info->end_code;
}
uint64_t qemu_plugin_entry_code(void)
{
TaskState *ts = get_task_state(current_cpu);
return ts->info->entry;
}