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semihosting: Split out semihost_sys_close

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Split out the non-ARM specific portions of SYS_CLOSE to a
reusable function.  This handles all GuestFD.

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>
This commit is contained in:
Richard Henderson 2022-04-28 09:22:18 -07:00
parent 5b3f39cb04
commit 5eadbbfca6
4 changed files with 57 additions and 41 deletions
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3
include/semihosting/syscalls.h
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@ -22,4 +22,7 @@ void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong fname, target_ulong fname_len,
int gdb_flags, int mode);
void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete,
int fd);
#endif /* SEMIHOSTING_SYSCALLS_H */