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Move GDB producer parsing routines to a separate file

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gdb/ChangeLog:
2017-09-26  Walfred Tedeschi  <walfred.tedeschi@intel.com>

	* Makefile.in (SFILES): Add producer.c.
	(COMMON_OBS): Add producer.o
	* amd64-tdep.c (producer.h): Add new include.
	* dwarf2read.c (producer.h): Add new include.
	* producer.c: New file.
	* producer.h: New file.
	* utils.c (producer_is_gcc, producer_is_gcc_ge_4): Move to
	producer.c.
	* utils.h (producer_is_gcc, producer_is_gcc_ge_4): Move to
	producer.h.
This commit is contained in:
Walfred Tedeschi
2017-09-26 18:26:41 +01:00
committed by Pedro Alves
parent 75352e283f
commit b32b108aba
8 changed files with 123 additions and 57 deletions
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54
gdb/utils.c
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@ -2947,60 +2947,6 @@ make_bpstat_clear_actions_cleanup (void)
return make_cleanup (do_bpstat_clear_actions_cleanup, NULL);
}
/* Check for GCC >= 4.x according to the symtab->producer string. Return minor
version (x) of 4.x in such case. If it is not GCC or it is GCC older than
4.x return -1. If it is GCC 5.x or higher return INT_MAX. */
int
producer_is_gcc_ge_4 (const char *producer)
{
int major, minor;
if (! producer_is_gcc (producer, &major, &minor))
return -1;
if (major < 4)
return -1;
if (major > 4)
return INT_MAX;
return minor;
}
/* Returns nonzero if the given PRODUCER string is GCC and sets the MAJOR
and MINOR versions when not NULL. Returns zero if the given PRODUCER
is NULL or it isn't GCC. */
int
producer_is_gcc (const char *producer, int *major, int *minor)
{
const char *cs;
if (producer != NULL && startswith (producer, "GNU "))
{
int maj, min;
if (major == NULL)
major = &maj;
if (minor == NULL)
minor = &min;
/* Skip any identifier after "GNU " - such as "C11" or "C++".
A full producer string might look like:
"GNU C 4.7.2"
"GNU Fortran 4.8.2 20140120 (Red Hat 4.8.2-16) -mtune=generic ..."
"GNU C++14 5.0.0 20150123 (experimental)"
*/
cs = &producer[strlen ("GNU ")];
while (*cs && !isspace (*cs))
cs++;
if (*cs && isspace (*cs))
cs++;
if (sscanf (cs, "%d.%d", major, minor) == 2)
return 1;
}
/* Not recognized as GCC. */
return 0;
}
/* Helper for make_cleanup_free_char_ptr_vec. */