From 1a92b65859e2d58dbf4b8356940c42c5834e9710 Mon Sep 17 00:00:00 2001 From: Rowan Hart Date: Fri, 27 Jun 2025 12:25:02 +0100 Subject: plugins: Add register write API MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds a function to the plugins API to allow plugins to write register contents. It also moves the qemu_plugin_read_register function so all the register-related functions are grouped together in the file. Reviewed-by: Pierrick Bouvier Signed-off-by: Rowan Hart Message-ID: <20250624175351.440780-3-rowanbhart@gmail.com> Signed-off-by: Alex Bennée Message-ID: <20250627112512.1880708-7-alex.bennee@linaro.org> --- plugins/api.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) (limited to 'plugins/api.c') diff --git a/plugins/api.c b/plugins/api.c index 3c9d4832e9..6514f2c76a 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -433,6 +433,25 @@ GArray *qemu_plugin_get_registers(void) return create_register_handles(regs); } +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) - 1); +} + +int qemu_plugin_write_register(struct qemu_plugin_register *reg, + GByteArray *buf) +{ + g_assert(current_cpu); + + if (buf->len == 0 || qemu_plugin_get_cb_flags() != QEMU_PLUGIN_CB_RW_REGS) { + return -1; + } + + return gdb_write_register(current_cpu, buf->data, GPOINTER_TO_INT(reg) - 1); +} + bool qemu_plugin_read_memory_vaddr(uint64_t addr, GByteArray *data, size_t len) { g_assert(current_cpu); @@ -453,13 +472,6 @@ bool qemu_plugin_read_memory_vaddr(uint64_t addr, GByteArray *data, size_t len) return true; } -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) - 1); -} - struct qemu_plugin_scoreboard *qemu_plugin_scoreboard_new(size_t element_size) { return plugin_scoreboard_new(element_size); -- cgit 1.4.1