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user: Move various declarations out of 'exec/exec-all.h'

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Move various declarations related to user emulation
from "exec/exec-all.h" to "user/cpu_loop.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-19-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-11-23 18:16:43 +01:00
parent 166a4b6e43
commit 1bf0d6e476
6 changed files with 59 additions and 54 deletions
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54
include/user/cpu_loop.h
View file

@ -20,9 +20,63 @@
#ifndef USER_CPU_LOOP_H
#define USER_CPU_LOOP_H
#include "exec/abi_ptr.h"
#include "exec/mmu-access-type.h"
#include "exec/log.h"
#include "exec/target_long.h"
#include "special-errno.h"
/**
* adjust_signal_pc:
* @pc: raw pc from the host signal ucontext_t.
* @is_write: host memory operation was write, or read-modify-write.
*
* Alter @pc as required for unwinding. Return the type of the
* guest memory access -- host reads may be for guest execution.
*/
MMUAccessType adjust_signal_pc(uintptr_t *pc, bool is_write);
/**
* handle_sigsegv_accerr_write:
* @cpu: the cpu context
* @old_set: the sigset_t from the signal ucontext_t
* @host_pc: the host pc, adjusted for the signal
* @host_addr: the host address of the fault
*
* Return true if the write fault has been handled, and should be re-tried.
*/
bool handle_sigsegv_accerr_write(CPUState *cpu, sigset_t *old_set,
uintptr_t host_pc, abi_ptr guest_addr);
/**
* cpu_loop_exit_sigsegv:
* @cpu: the cpu context
* @addr: the guest address of the fault
* @access_type: access was read/write/execute
* @maperr: true for invalid page, false for permission fault
* @ra: host pc for unwinding
*
* Use the TCGCPUOps hook to record cpu state, do guest operating system
* specific things to raise SIGSEGV, and jump to the main cpu loop.
*/
G_NORETURN void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
MMUAccessType access_type,
bool maperr, uintptr_t ra);
/**
* cpu_loop_exit_sigbus:
* @cpu: the cpu context
* @addr: the guest address of the alignment fault
* @access_type: access was read/write/execute
* @ra: host pc for unwinding
*
* Use the TCGCPUOps hook to record cpu state, do guest operating system
* specific things to raise SIGBUS, and jump to the main cpu loop.
*/
G_NORETURN void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
MMUAccessType access_type,
uintptr_t ra);
G_NORETURN void cpu_loop(CPUArchState *env);
void target_exception_dump(CPUArchState *env, const char *fmt, int code);