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Remove all function definitions from header files #728

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petdance opened this Issue · 7 comments

5 participants

@petdance

There are a number of header files that have functions declared in them. Move these to their own .c files.

@Util
Owner

FYI, I see 17 functions in 2 header files.

include/parrot/pointer_array.h :
#define ASSERT_ARGS_allocate_more_chunks __attribute__unused__ int _ASSERT_ARGS_CHECK = (PARROT_ASSERT_ARG(interp), PARROT_ASSERT_ARG(self))
    static void   allocate_more_chunks(PARROT_INTERP, Parrot_Pointer_Array *self)
    static void * Parrot_pa_insert(    PARROT_INTERP, Parrot_Pointer_Array *self, void *ptr)
    static void   Parrot_pa_remove(    PARROT_INTERP, Parrot_Pointer_Array *self, void *ptr)

src/packfile/byteorder.h :
    static INTVAL fetch_iv_le(INTVAL w)
    static INTVAL fetch_iv_be(INTVAL w)
    static opcode_t fetch_op_be(opcode_t w)
    static opcode_t fetch_op_le(opcode_t w)
    static void fetch_buf_be_4( unsigned char *rb, const unsigned char *b)
    static void fetch_buf_le_4( unsigned char *rb, const unsigned char *b)
    static void fetch_buf_be_8( unsigned char *rb, const unsigned char *b)
    static void fetch_buf_le_8( unsigned char *rb, const unsigned char *b)
    static void fetch_buf_le_12(unsigned char *rb, const unsigned char *b)
    static void fetch_buf_be_12(unsigned char *rb, const unsigned char *b)
    static void fetch_buf_le_16(unsigned char *rb, const unsigned char *b)
    static void fetch_buf_be_16(unsigned char *rb, const unsigned char *b)
    static void fetch_buf_le_32(unsigned char *rb, const unsigned char *b)
    static void fetch_buf_be_32(unsigned char *rb, const unsigned char *b)
@gerdr

Moving the functions out of the headers means that C compilers without link-time optimization can no longer inline the code. At least some of these functions (possibly all) should remain where they are.

@petdance

The byteorder functions are all static and should be moved to the one file that uses them, src/packfile/pf_items.c. They will inline there just fine.

@petdance

The Parrot_pa_* functions are also static, although defined in the header. That means that each file that includes the headers is making its own copy of the same static functions.

@bacek
Collaborator

Yes, Parrot_pa_* functions are declared in header file on purpose. They are heavily used in GC and have to be inlined.

@petdance petdance referenced this issue from a commit
@petdance petdance Eliminated packfile/byteorder.h and put the static functions in it in…
… packfile/pf_items.c. This is part GitHub #728 #728
4cb2d3b
@petdance

byteorder functions are now inlined on commit 4cb2d3b

@petdance petdance closed this
@petdance petdance reopened this
@rurban
Collaborator

There are no todo item left. pf is done, and pa is there on purpose.

@rurban rurban closed this
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