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avr.c (avr_handle_fndecl_attribute): Generate a warning if the function name does not begin with "__vector" and the... 

* config/avr/avr.c (avr_handle_fndecl_attribute): Generate a
	warning if the function name does not begin with "__vector" and the
	function has either the 'signal' or 'interrupt' attribute.

From-SVN: r91433
This commit is contained in:
Theodore A. Roth 2004-11-28 23:15:59 +00:00 committed by Marek Michalkiewicz
parent 3592022563
commit 97e45d9e69
2 changed files with 32 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-11-28 Theodore A. Roth <troth@openavr.org>
* config/avr/avr.c (avr_handle_fndecl_attribute): Generate a
warning if the function name does not begin with "__vector" and the
function has either the 'signal' or 'interrupt' attribute.
2004-11-28 Theodore A. Roth <troth@openavr.org>
* config/avr/avr.c (avr_mcu_types): Add entries for atmega48,

26
gcc/config/avr/avr.c
View File

@ -4545,6 +4545,32 @@ avr_handle_fndecl_attribute (tree *node, tree name,
IDENTIFIER_POINTER (name));
*no_add_attrs = true;
}
else
{
const char *func_name = IDENTIFIER_POINTER (DECL_NAME (*node));
const char *attr = IDENTIFIER_POINTER (name);
/* If the function has the 'signal' or 'interrupt' attribute, test to
make sure that the name of the function is "__vector_NN" so as to
catch when the user misspells the interrupt vector name. */
if (strncmp (attr, "interrupt", strlen ("interrupt")) == 0)
{
if (strncmp (func_name, "__vector", strlen ("__vector")) != 0)
{
warning ("`%s' appears to be a misspelled interrupt handler",
func_name);
}
}
else if (strncmp (attr, "signal", strlen ("signal")) == 0)
{
if (strncmp (func_name, "__vector", strlen ("__vector")) != 0)
{
warning ("`%s' appears to be a misspelled signal handler",
func_name);
}
}
}
return NULL_TREE;
}