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gdbstub: split out softmmu/user specifics for syscall handling

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Most of the syscall code is config agnostic aside from the size of
target_ulong. In preparation for the next patch move the final bits
of specialisation into the appropriate user and softmmu helpers.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230302190846.2593720-26-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-26-richard.henderson@linaro.org>
This commit is contained in:
Alex Bennée 2023-03-02 18:58:01 -08:00
parent 4692a86f1c
commit 131f387d74
4 changed files with 34 additions and 24 deletions
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14
gdbstub/user.c
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@ -472,3 +472,17 @@ void gdb_breakpoint_remove_all(CPUState *cs)
{
cpu_breakpoint_remove_all(cs, BP_GDB);
}
/*
* For user-mode syscall support we send the system call immediately
* and then return control to gdb for it to process the syscall request.
* Since the protocol requires that gdb hands control back to us
* using a "here are the results" F packet, we don't need to check
* gdb_handlesig's return value (which is the signal to deliver if
* execution was resumed via a continue packet).
*/
void gdb_syscall_handling(const char *syscall_packet)
{
gdb_put_packet(syscall_packet);
gdb_handlesig(gdbserver_state.c_cpu, 0);
}