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author | Alex Bennée <alex.bennee@linaro.org> | 2024-02-27 14:43:27 +0000 |
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committer | Alex Bennée <alex.bennee@linaro.org> | 2024-02-28 09:11:42 +0000 |
commit | c3d0b46645d4b95b1fa24f4911738cb59d26173e (patch) | |
tree | 579bd7ad5bae7046e4e6cd2454747a2ce5047cd8 /gdbstub/gdbstub.c | |
parent | 33a277fec03a61e470bc279b03b1a3759505f3e0 (diff) | |
download | qemu-c3d0b46645d4b95b1fa24f4911738cb59d26173e.zip qemu-c3d0b46645d4b95b1fa24f4911738cb59d26173e.tar.gz qemu-c3d0b46645d4b95b1fa24f4911738cb59d26173e.tar.bz2 |
gdbstub: expose api to find registers
Expose an internal API to QEMU to return all the registers for a vCPU.
The list containing the details required to called gdb_read_register().
Based-on: <20231025093128.33116-15-akihiko.odaki@daynix.com>
Cc: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240227144335.1196131-22-alex.bennee@linaro.org>
Diffstat (limited to 'gdbstub/gdbstub.c')
-rw-r--r-- | gdbstub/gdbstub.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index a55b5e6..2909bc8 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -490,7 +490,32 @@ const GDBFeature *gdb_find_static_feature(const char *xmlname) g_assert_not_reached(); } -static int gdb_read_register(CPUState *cpu, GByteArray *buf, int reg) +GArray *gdb_get_register_list(CPUState *cpu) +{ + GArray *results = g_array_new(true, true, sizeof(GDBRegDesc)); + + /* registers are only available once the CPU is initialised */ + if (!cpu->gdb_regs) { + return results; + } + + for (int f = 0; f < cpu->gdb_regs->len; f++) { + GDBRegisterState *r = &g_array_index(cpu->gdb_regs, GDBRegisterState, f); + for (int i = 0; i < r->feature->num_regs; i++) { + const char *name = r->feature->regs[i]; + GDBRegDesc desc = { + r->base_reg + i, + name, + r->feature->name + }; + g_array_append_val(results, desc); + } + } + + return results; +} + +int gdb_read_register(CPUState *cpu, GByteArray *buf, int reg) { CPUClass *cc = CPU_GET_CLASS(cpu); GDBRegisterState *r; |