Microchip Technology XC8 Standard Compiler (Workstation) SW006021-1 SW006021-1 ユーザーズマニュアル

®

DS52053A-page 28

 2012 Microchip Technology Inc.

2.5.4.3

MIGRATION TO THE CCI

For 8-bit compilers, change any occurrence of the near qualifier, as in the following 
example:

near char template[20];

to __near, i.e., __near char template[20];

In 16- and 32-bit compilers, change any occurrence of the near attribute, as in the fol-
lowing

void bar(void) __attribute__ ((near));

int tblIdx __attribute__ ((near));

to

void __near bar(void);

int __near tblIdx;

2.5.4.4

CAVEATS

None.

The __persistent qualifier may be used to indicate that variables should not be 
cleared by the runtime startup code.

Use the native keywords discussed in the Differences section to look up information on 
the semantics of this qualifier.

2.5.5.1

EXAMPLE

The following shows a variable qualified using __persistent.

__persistent int serialNo;

2.5.5.2

DIFFERENCES

The 8-bit compilers have used the qualifier, persistent, to indicate this meaning.

The 16- and 32-bit compilers have used the persistent attribute with variables to 
indicate they were not to be cleared.

2.5.5.3

MIGRATION TO THE CCI

With 8-bit compilers, change any occurrence of the persistent qualifier, as in the fol-
lowing example:

persistent

 char template[20];

to __persistent, i.e., __persistent char template[20];

For the 16- and 32-bit compilers, change any occurrence of the persistent attribute, 
as in the following

int tblIdx __attribute__ ((

persistent

));

to

int __

persistent

 tblIdx;

2.5.5.4

CAVEATS

None.