diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2022-04-28 12:04:44 -0700 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2022-06-28 04:35:52 +0530 |
commit | 9a89470449a5171eb1bd06f681361e0888d15cf7 (patch) | |
tree | b7b7537fe55caf844a34969fc229ded15d46998e /include | |
parent | 40f1219a8b2f95808ed5a18798dbce1b57fef211 (diff) |
semihosting: Split out semihost_sys_lseek
Split out the non-ARM specific portions of SYS_SEEK to a
reusable function. This handles all GuestFD. Isolate the
curious ARM-specific return value processing to a new
callback, common_semi_seek_cb.
Expand the internal type of the offset to int64_t, and
provide the whence argument, which will be required by
m68k and nios2 semihosting.
Note that gdb_do_syscall %x reads target_ulong, not int.
Reviewed-by: Luc Michel <lmichel@kalray.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/exec/gdbstub.h | 5 | ||||
-rw-r--r-- | include/semihosting/syscalls.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 95a8b7b056..b588c306cc 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -41,6 +41,11 @@ #define GDB_ENAMETOOLONG 91 #define GDB_EUNKNOWN 9999 +/* For gdb file i/o remote protocol lseek whence. */ +#define GDB_SEEK_SET 0 +#define GDB_SEEK_CUR 1 +#define GDB_SEEK_END 2 + /* For gdb file i/o stat/fstat. */ typedef uint32_t gdb_mode_t; typedef uint32_t gdb_time_t; diff --git a/include/semihosting/syscalls.h b/include/semihosting/syscalls.h index 2464467579..841a93d25b 100644 --- a/include/semihosting/syscalls.h +++ b/include/semihosting/syscalls.h @@ -39,4 +39,7 @@ void semihost_sys_write(CPUState *cs, gdb_syscall_complete_cb complete, void semihost_sys_write_gf(CPUState *cs, gdb_syscall_complete_cb complete, GuestFD *gf, target_ulong buf, target_ulong len); +void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete, + int fd, int64_t off, int gdb_whence); + #endif /* SEMIHOSTING_SYSCALLS_H */ |