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bsd-user: export get_errno and is_error from syscall.c

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Make get_errno and is_error global so files other than syscall.c can use
them.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
This commit is contained in:
Warner Losh 2021-09-18 00:26:49 -06:00
parent fbbacc9982
commit e5f674f01c
2 changed files with 9 additions and 5 deletions
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4
bsd-user/qemu.h
View file

@ -235,6 +235,10 @@ extern unsigned long target_dflssiz;
extern unsigned long target_maxssiz;
extern unsigned long target_sgrowsiz;
/* syscall.c */
abi_long get_errno(abi_long ret);
bool is_error(abi_long ret);
/* user access */
#define VERIFY_READ PAGE_READ

10
bsd-user/syscall.c
View file

@ -33,18 +33,18 @@
static abi_ulong target_brk;
static abi_ulong target_original_brk;
static inline abi_long get_errno(abi_long ret)
abi_long get_errno(abi_long ret)
{
if (ret == -1)
if (ret == -1) {
/* XXX need to translate host -> target errnos here */
return -(errno);
else
return ret;
}
return ret;
}
#define target_to_host_bitmask(x, tbl) (x)
static inline int is_error(abi_long ret)
bool is_error(abi_long ret)
{
return (abi_ulong)ret >= (abi_ulong)(-4096);
}