All supported hosts now define HAVE_SAFE_SYSCALL, so remove the ifdefs. This leaves hostdep.h empty, so remove it. Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
186 lines
5.5 KiB
C
186 lines
5.5 KiB
C
/*
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* user-internals.h: prototypes etc internal to the linux-user implementation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LINUX_USER_USER_INTERNALS_H
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#define LINUX_USER_USER_INTERNALS_H
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#include "exec/user/thunk.h"
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#include "exec/exec-all.h"
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#include "qemu/log.h"
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extern char *exec_path;
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void init_task_state(TaskState *ts);
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void task_settid(TaskState *);
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void stop_all_tasks(void);
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extern const char *qemu_uname_release;
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extern unsigned long mmap_min_addr;
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typedef struct IOCTLEntry IOCTLEntry;
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typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
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int fd, int cmd, abi_long arg);
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struct IOCTLEntry {
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int target_cmd;
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unsigned int host_cmd;
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const char *name;
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int access;
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do_ioctl_fn *do_ioctl;
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const argtype arg_type[5];
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};
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extern IOCTLEntry ioctl_entries[];
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#define IOC_R 0x0001
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#define IOC_W 0x0002
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#define IOC_RW (IOC_R | IOC_W)
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/*
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* Returns true if the image uses the FDPIC ABI. If this is the case,
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* we have to provide some information (loadmap, pt_dynamic_info) such
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* that the program can be relocated adequately. This is also useful
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* when handling signals.
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*/
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int info_is_fdpic(struct image_info *info);
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void target_set_brk(abi_ulong new_brk);
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void syscall_init(void);
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abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
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abi_long arg2, abi_long arg3, abi_long arg4,
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abi_long arg5, abi_long arg6, abi_long arg7,
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abi_long arg8);
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extern __thread CPUState *thread_cpu;
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void cpu_loop(CPUArchState *env);
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const char *target_strerror(int err);
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int get_osversion(void);
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void init_qemu_uname_release(void);
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void fork_start(void);
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void fork_end(int child);
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/**
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* probe_guest_base:
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* @image_name: the executable being loaded
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* @loaddr: the lowest fixed address in the executable
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* @hiaddr: the highest fixed address in the executable
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*
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* Creates the initial guest address space in the host memory space.
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*
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* If @loaddr == 0, then no address in the executable is fixed,
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* i.e. it is fully relocatable. In that case @hiaddr is the size
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* of the executable.
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*
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* This function will not return if a valid value for guest_base
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* cannot be chosen. On return, the executable loader can expect
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*
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* target_mmap(loaddr, hiaddr - loaddr, ...)
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*
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* to succeed.
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*/
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void probe_guest_base(const char *image_name,
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abi_ulong loaddr, abi_ulong hiaddr);
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/* syscall.c */
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int host_to_target_waitstatus(int status);
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#ifdef TARGET_I386
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/* vm86.c */
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void save_v86_state(CPUX86State *env);
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void handle_vm86_trap(CPUX86State *env, int trapno);
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void handle_vm86_fault(CPUX86State *env);
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int do_vm86(CPUX86State *env, long subfunction, abi_ulong v86_addr);
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#elif defined(TARGET_SPARC64)
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void sparc64_set_context(CPUSPARCState *env);
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void sparc64_get_context(CPUSPARCState *env);
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#endif
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static inline int is_error(abi_long ret)
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{
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return (abi_ulong)ret >= (abi_ulong)(-4096);
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}
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#if TARGET_ABI_BITS == 32
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static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
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{
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#ifdef TARGET_WORDS_BIGENDIAN
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return ((uint64_t)word0 << 32) | word1;
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#else
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return ((uint64_t)word1 << 32) | word0;
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#endif
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}
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#else /* TARGET_ABI_BITS == 32 */
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static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
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{
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return word0;
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}
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#endif /* TARGET_ABI_BITS != 32 */
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void print_termios(void *arg);
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/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
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#ifdef TARGET_ARM
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static inline int regpairs_aligned(void *cpu_env, int num)
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{
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return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
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}
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#elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32)
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static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
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#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
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/*
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* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
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* of registers which translates to the same as ARM/MIPS, because we start with
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* r3 as arg1
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*/
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static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
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#elif defined(TARGET_SH4)
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/* SH4 doesn't align register pairs, except for p{read,write}64 */
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static inline int regpairs_aligned(void *cpu_env, int num)
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{
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switch (num) {
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case TARGET_NR_pread64:
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case TARGET_NR_pwrite64:
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return 1;
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default:
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return 0;
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}
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}
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#elif defined(TARGET_XTENSA)
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static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
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#elif defined(TARGET_HEXAGON)
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static inline int regpairs_aligned(void *cpu_env, int num) { return 1; }
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#else
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static inline int regpairs_aligned(void *cpu_env, int num) { return 0; }
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#endif
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/**
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* preexit_cleanup: housekeeping before the guest exits
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*
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* env: the CPU state
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* code: the exit code
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*/
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void preexit_cleanup(CPUArchState *env, int code);
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/*
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* Include target-specific struct and function definitions;
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* they may need access to the target-independent structures
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* above, so include them last.
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*/
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#include "target_cpu.h"
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#include "target_structs.h"
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#endif
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