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plugins: Ensure register handles are not NULL

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Ensure register handles are not NULL so that a plugin can assume NULL is
invalid as a register handle.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240229-null-v1-1-e716501d981e@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240620152220.2192768-4-alex.bennee@linaro.org>
This commit is contained in:
Akihiko Odaki 2024-06-20 16:22:11 +01:00 committed by Alex Bennée
parent 5b7d54d4ed
commit ad59d5caee
1 changed files with 2 additions and 2 deletions
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4
plugins/api.c
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@ -507,7 +507,7 @@ static GArray *create_register_handles(GArray *gdbstub_regs)
}
/* Create a record for the plugin */
desc.handle = GINT_TO_POINTER(grd->gdb_reg);
desc.handle = GINT_TO_POINTER(grd->gdb_reg + 1);
desc.name = g_intern_string(grd->name);
desc.feature = g_intern_string(grd->feature_name);
g_array_append_val(find_data, desc);
@ -528,7 +528,7 @@ int qemu_plugin_read_register(struct qemu_plugin_register *reg, GByteArray *buf)
{
g_assert(current_cpu);
return gdb_read_register(current_cpu, buf, GPOINTER_TO_INT(reg));
return gdb_read_register(current_cpu, buf, GPOINTER_TO_INT(reg) - 1);
}
struct qemu_plugin_scoreboard *qemu_plugin_scoreboard_new(size_t element_size)