diff options
Diffstat (limited to 'asm/srcfile.h')
| -rw-r--r-- | asm/srcfile.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/asm/srcfile.h b/asm/srcfile.h index 3af6595e..759ceabf 100644 --- a/asm/srcfile.h +++ b/asm/srcfile.h @@ -62,6 +62,7 @@ static inline int32_t src_get_linnum(void) { return _src_here.lineno; } + /* Can be used when there is no need for the old information */ void src_set(int32_t line, const char *filename); @@ -91,12 +92,23 @@ static inline int32_t src_get(int32_t *xline, const char **xname) } /* - * Returns and sets/returns the current information as a structure. + * Returns the current information as a structure. */ static inline struct src_location src_where(void) { return _src_here; } -struct src_location src_update(struct src_location); + +/* + * Sets the current information. The filename member of the structure + * *must* have been previously returned by src_get(), src_where(), or + * src_get_fname() and therefore be present in the hash. + */ +static inline struct src_location src_update(struct src_location whence) +{ + struct src_location old = _src_here; + _src_here = whence; + return old; +} #endif /* ASM_SRCFILE_H */ |