summaryrefslogtreecommitdiffstats
path: root/qemu/linux-user/qemu.h
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/linux-user/qemu.h')
-rw-r--r--qemu/linux-user/qemu.h444
1 files changed, 0 insertions, 444 deletions
diff --git a/qemu/linux-user/qemu.h b/qemu/linux-user/qemu.h
deleted file mode 100644
index 26b0ba273..000000000
--- a/qemu/linux-user/qemu.h
+++ /dev/null
@@ -1,444 +0,0 @@
-#ifndef QEMU_H
-#define QEMU_H
-
-
-#include "cpu.h"
-#include "exec/cpu_ldst.h"
-
-#undef DEBUG_REMAP
-#ifdef DEBUG_REMAP
-#endif /* DEBUG_REMAP */
-
-#include "exec/user/abitypes.h"
-
-#include "exec/user/thunk.h"
-#include "syscall_defs.h"
-#include "target_syscall.h"
-#include "exec/gdbstub.h"
-#include "qemu/queue.h"
-
-#define THREAD __thread
-
-/* This struct is used to hold certain information about the image.
- * Basically, it replicates in user space what would be certain
- * task_struct fields in the kernel
- */
-struct image_info {
- abi_ulong load_bias;
- abi_ulong load_addr;
- abi_ulong start_code;
- abi_ulong end_code;
- abi_ulong start_data;
- abi_ulong end_data;
- abi_ulong start_brk;
- abi_ulong brk;
- abi_ulong start_mmap;
- abi_ulong start_stack;
- abi_ulong stack_limit;
- abi_ulong entry;
- abi_ulong code_offset;
- abi_ulong data_offset;
- abi_ulong saved_auxv;
- abi_ulong auxv_len;
- abi_ulong arg_start;
- abi_ulong arg_end;
- uint32_t elf_flags;
- int personality;
-#ifdef CONFIG_USE_FDPIC
- abi_ulong loadmap_addr;
- uint16_t nsegs;
- void *loadsegs;
- abi_ulong pt_dynamic_addr;
- struct image_info *other_info;
-#endif
-};
-
-#ifdef TARGET_I386
-/* Information about the current linux thread */
-struct vm86_saved_state {
- uint32_t eax; /* return code */
- uint32_t ebx;
- uint32_t ecx;
- uint32_t edx;
- uint32_t esi;
- uint32_t edi;
- uint32_t ebp;
- uint32_t esp;
- uint32_t eflags;
- uint32_t eip;
- uint16_t cs, ss, ds, es, fs, gs;
-};
-#endif
-
-#if defined(TARGET_ARM) && defined(TARGET_ABI32)
-/* FPU emulator */
-#include "nwfpe/fpa11.h"
-#endif
-
-#define MAX_SIGQUEUE_SIZE 1024
-
-struct sigqueue {
- struct sigqueue *next;
- target_siginfo_t info;
-};
-
-struct emulated_sigtable {
- int pending; /* true if signal is pending */
- struct sigqueue *first;
- struct sigqueue info; /* in order to always have memory for the
- first signal, we put it here */
-};
-
-/* NOTE: we force a big alignment so that the stack stored after is
- aligned too */
-typedef struct TaskState {
- pid_t ts_tid; /* tid (or pid) of this task */
-#ifdef TARGET_ARM
-# ifdef TARGET_ABI32
- /* FPA state */
- FPA11 fpa;
-# endif
- int swi_errno;
-#endif
-#ifdef TARGET_UNICORE32
- int swi_errno;
-#endif
-#if defined(TARGET_I386) && !defined(TARGET_X86_64)
- abi_ulong target_v86;
- struct vm86_saved_state vm86_saved_regs;
- struct target_vm86plus_struct vm86plus;
- uint32_t v86flags;
- uint32_t v86mask;
-#endif
- abi_ulong child_tidptr;
-#ifdef TARGET_M68K
- int sim_syscalls;
- abi_ulong tp_value;
-#endif
-#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
- /* Extra fields for semihosted binaries. */
- uint32_t heap_base;
- uint32_t heap_limit;
-#endif
- uint32_t stack_base;
- int used; /* non zero if used */
- bool sigsegv_blocked; /* SIGSEGV blocked by guest */
- struct image_info *info;
- struct linux_binprm *bprm;
-
- struct emulated_sigtable sigtab[TARGET_NSIG];
- struct sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE]; /* siginfo queue */
- struct sigqueue *first_free; /* first free siginfo queue entry */
- int signal_pending; /* non zero if a signal may be pending */
-} __attribute__((aligned(16))) TaskState;
-
-extern char *exec_path;
-void init_task_state(TaskState *ts);
-void task_settid(TaskState *);
-void stop_all_tasks(void);
-extern const char *qemu_uname_release;
-extern unsigned long mmap_min_addr;
-
-/* ??? See if we can avoid exposing so much of the loader internals. */
-
-/* Read a good amount of data initially, to hopefully get all the
- program headers loaded. */
-#define BPRM_BUF_SIZE 1024
-
-/*
- * This structure is used to hold the arguments that are
- * used when loading binaries.
- */
-struct linux_binprm {
- char buf[BPRM_BUF_SIZE] __attribute__((aligned));
- abi_ulong p;
- int fd;
- int e_uid, e_gid;
- int argc, envc;
- char **argv;
- char **envp;
- char * filename; /* Name of binary */
- int (*core_dump)(int, const CPUArchState *); /* coredump routine */
-};
-
-void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
-abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
- abi_ulong stringp, int push_ptr);
-int loader_exec(int fdexec, const char *filename, char **argv, char **envp,
- struct target_pt_regs * regs, struct image_info *infop,
- struct linux_binprm *);
-
-int load_elf_binary(struct linux_binprm *bprm, struct image_info *info);
-int load_flt_binary(struct linux_binprm *bprm, struct image_info *info);
-
-abi_long memcpy_to_target(abi_ulong dest, const void *src,
- unsigned long len);
-void target_set_brk(abi_ulong new_brk);
-abi_long do_brk(abi_ulong new_brk);
-void syscall_init(void);
-abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
- abi_long arg2, abi_long arg3, abi_long arg4,
- abi_long arg5, abi_long arg6, abi_long arg7,
- abi_long arg8);
-void gemu_log(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
-extern THREAD CPUState *thread_cpu;
-void cpu_loop(CPUArchState *env);
-char *target_strerror(int err);
-int get_osversion(void);
-void init_qemu_uname_release(void);
-void fork_start(void);
-void fork_end(int child);
-
-/* Creates the initial guest address space in the host memory space using
- * the given host start address hint and size. The guest_start parameter
- * specifies the start address of the guest space. guest_base will be the
- * difference between the host start address computed by this function and
- * guest_start. If fixed is specified, then the mapped address space must
- * start at host_start. The real start address of the mapped memory space is
- * returned or -1 if there was an error.
- */
-unsigned long init_guest_space(unsigned long host_start,
- unsigned long host_size,
- unsigned long guest_start,
- bool fixed);
-
-#include "qemu/log.h"
-
-/* syscall.c */
-int host_to_target_waitstatus(int status);
-
-/* strace.c */
-void print_syscall(int num,
- abi_long arg1, abi_long arg2, abi_long arg3,
- abi_long arg4, abi_long arg5, abi_long arg6);
-void print_syscall_ret(int num, abi_long arg1);
-extern int do_strace;
-
-/* signal.c */
-void process_pending_signals(CPUArchState *cpu_env);
-void signal_init(void);
-int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info);
-void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
-void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
-int target_to_host_signal(int sig);
-int host_to_target_signal(int sig);
-long do_sigreturn(CPUArchState *env);
-long do_rt_sigreturn(CPUArchState *env);
-abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
-int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset);
-
-#ifdef TARGET_I386
-/* vm86.c */
-void save_v86_state(CPUX86State *env);
-void handle_vm86_trap(CPUX86State *env, int trapno);
-void handle_vm86_fault(CPUX86State *env);
-int do_vm86(CPUX86State *env, long subfunction, abi_ulong v86_addr);
-#elif defined(TARGET_SPARC64)
-void sparc64_set_context(CPUSPARCState *env);
-void sparc64_get_context(CPUSPARCState *env);
-#endif
-
-/* mmap.c */
-int target_mprotect(abi_ulong start, abi_ulong len, int prot);
-abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
- int flags, int fd, abi_ulong offset);
-int target_munmap(abi_ulong start, abi_ulong len);
-abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
- abi_ulong new_size, unsigned long flags,
- abi_ulong new_addr);
-int target_msync(abi_ulong start, abi_ulong len, int flags);
-extern unsigned long last_brk;
-extern abi_ulong mmap_next_start;
-abi_ulong mmap_find_vma(abi_ulong, abi_ulong);
-void cpu_list_lock(void);
-void cpu_list_unlock(void);
-void mmap_fork_start(void);
-void mmap_fork_end(int child);
-
-/* main.c */
-extern unsigned long guest_stack_size;
-
-/* user access */
-
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1 /* implies read access */
-
-static inline int access_ok(int type, abi_ulong addr, abi_ulong size)
-{
- return page_check_range((target_ulong)addr, size,
- (type == VERIFY_READ) ? PAGE_READ : (PAGE_READ | PAGE_WRITE)) == 0;
-}
-
-/* NOTE __get_user and __put_user use host pointers and don't check access.
- These are usually used to access struct data members once the struct has
- been locked - usually with lock_user_struct. */
-
-/* Tricky points:
- - Use __builtin_choose_expr to avoid type promotion from ?:,
- - Invalid sizes result in a compile time error stemming from
- the fact that abort has no parameters.
- - It's easier to use the endian-specific unaligned load/store
- functions than host-endian unaligned load/store plus tswapN. */
-
-#define __put_user_e(x, hptr, e) \
- (__builtin_choose_expr(sizeof(*(hptr)) == 1, stb_p, \
- __builtin_choose_expr(sizeof(*(hptr)) == 2, stw_##e##_p, \
- __builtin_choose_expr(sizeof(*(hptr)) == 4, stl_##e##_p, \
- __builtin_choose_expr(sizeof(*(hptr)) == 8, stq_##e##_p, abort)))) \
- ((hptr), (x)), (void)0)
-
-#define __get_user_e(x, hptr, e) \
- ((x) = (typeof(*hptr))( \
- __builtin_choose_expr(sizeof(*(hptr)) == 1, ldub_p, \
- __builtin_choose_expr(sizeof(*(hptr)) == 2, lduw_##e##_p, \
- __builtin_choose_expr(sizeof(*(hptr)) == 4, ldl_##e##_p, \
- __builtin_choose_expr(sizeof(*(hptr)) == 8, ldq_##e##_p, abort)))) \
- (hptr)), (void)0)
-
-#ifdef TARGET_WORDS_BIGENDIAN
-# define __put_user(x, hptr) __put_user_e(x, hptr, be)
-# define __get_user(x, hptr) __get_user_e(x, hptr, be)
-#else
-# define __put_user(x, hptr) __put_user_e(x, hptr, le)
-# define __get_user(x, hptr) __get_user_e(x, hptr, le)
-#endif
-
-/* put_user()/get_user() take a guest address and check access */
-/* These are usually used to access an atomic data type, such as an int,
- * that has been passed by address. These internally perform locking
- * and unlocking on the data type.
- */
-#define put_user(x, gaddr, target_type) \
-({ \
- abi_ulong __gaddr = (gaddr); \
- target_type *__hptr; \
- abi_long __ret = 0; \
- if ((__hptr = lock_user(VERIFY_WRITE, __gaddr, sizeof(target_type), 0))) { \
- __put_user((x), __hptr); \
- unlock_user(__hptr, __gaddr, sizeof(target_type)); \
- } else \
- __ret = -TARGET_EFAULT; \
- __ret; \
-})
-
-#define get_user(x, gaddr, target_type) \
-({ \
- abi_ulong __gaddr = (gaddr); \
- target_type *__hptr; \
- abi_long __ret = 0; \
- if ((__hptr = lock_user(VERIFY_READ, __gaddr, sizeof(target_type), 1))) { \
- __get_user((x), __hptr); \
- unlock_user(__hptr, __gaddr, 0); \
- } else { \
- /* avoid warning */ \
- (x) = 0; \
- __ret = -TARGET_EFAULT; \
- } \
- __ret; \
-})
-
-#define put_user_ual(x, gaddr) put_user((x), (gaddr), abi_ulong)
-#define put_user_sal(x, gaddr) put_user((x), (gaddr), abi_long)
-#define put_user_u64(x, gaddr) put_user((x), (gaddr), uint64_t)
-#define put_user_s64(x, gaddr) put_user((x), (gaddr), int64_t)
-#define put_user_u32(x, gaddr) put_user((x), (gaddr), uint32_t)
-#define put_user_s32(x, gaddr) put_user((x), (gaddr), int32_t)
-#define put_user_u16(x, gaddr) put_user((x), (gaddr), uint16_t)
-#define put_user_s16(x, gaddr) put_user((x), (gaddr), int16_t)
-#define put_user_u8(x, gaddr) put_user((x), (gaddr), uint8_t)
-#define put_user_s8(x, gaddr) put_user((x), (gaddr), int8_t)
-
-#define get_user_ual(x, gaddr) get_user((x), (gaddr), abi_ulong)
-#define get_user_sal(x, gaddr) get_user((x), (gaddr), abi_long)
-#define get_user_u64(x, gaddr) get_user((x), (gaddr), uint64_t)
-#define get_user_s64(x, gaddr) get_user((x), (gaddr), int64_t)
-#define get_user_u32(x, gaddr) get_user((x), (gaddr), uint32_t)
-#define get_user_s32(x, gaddr) get_user((x), (gaddr), int32_t)
-#define get_user_u16(x, gaddr) get_user((x), (gaddr), uint16_t)
-#define get_user_s16(x, gaddr) get_user((x), (gaddr), int16_t)
-#define get_user_u8(x, gaddr) get_user((x), (gaddr), uint8_t)
-#define get_user_s8(x, gaddr) get_user((x), (gaddr), int8_t)
-
-/* copy_from_user() and copy_to_user() are usually used to copy data
- * buffers between the target and host. These internally perform
- * locking/unlocking of the memory.
- */
-abi_long copy_from_user(void *hptr, abi_ulong gaddr, size_t len);
-abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len);
-
-/* Functions for accessing guest memory. The tget and tput functions
- read/write single values, byteswapping as necessary. The lock_user function
- gets a pointer to a contiguous area of guest memory, but does not perform
- any byteswapping. lock_user may return either a pointer to the guest
- memory, or a temporary buffer. */
-
-/* Lock an area of guest memory into the host. If copy is true then the
- host area will have the same contents as the guest. */
-static inline void *lock_user(int type, abi_ulong guest_addr, long len, int copy)
-{
- if (!access_ok(type, guest_addr, len))
- return NULL;
-#ifdef DEBUG_REMAP
- {
- void *addr;
- addr = malloc(len);
- if (copy)
- memcpy(addr, g2h(guest_addr), len);
- else
- memset(addr, 0, len);
- return addr;
- }
-#else
- return g2h(guest_addr);
-#endif
-}
-
-/* Unlock an area of guest memory. The first LEN bytes must be
- flushed back to guest memory. host_ptr = NULL is explicitly
- allowed and does nothing. */
-static inline void unlock_user(void *host_ptr, abi_ulong guest_addr,
- long len)
-{
-
-#ifdef DEBUG_REMAP
- if (!host_ptr)
- return;
- if (host_ptr == g2h(guest_addr))
- return;
- if (len > 0)
- memcpy(g2h(guest_addr), host_ptr, len);
- free(host_ptr);
-#endif
-}
-
-/* Return the length of a string in target memory or -TARGET_EFAULT if
- access error. */
-abi_long target_strlen(abi_ulong gaddr);
-
-/* Like lock_user but for null terminated strings. */
-static inline void *lock_user_string(abi_ulong guest_addr)
-{
- abi_long len;
- len = target_strlen(guest_addr);
- if (len < 0)
- return NULL;
- return lock_user(VERIFY_READ, guest_addr, (long)(len + 1), 1);
-}
-
-/* Helper macros for locking/unlocking a target struct. */
-#define lock_user_struct(type, host_ptr, guest_addr, copy) \
- (host_ptr = lock_user(type, guest_addr, sizeof(*host_ptr), copy))
-#define unlock_user_struct(host_ptr, guest_addr, copy) \
- unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
-
-#include <pthread.h>
-
-/* Include target-specific struct and function definitions;
- * they may need access to the target-independent structures
- * above, so include them last.
- */
-#include "target_cpu.h"
-#include "target_signal.h"
-#include "target_structs.h"
-
-#endif /* QEMU_H */