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Create 'L' variants of all the ENTRY macros for file-static/local symbols.

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If it seems like this is getting out of hand, I quite agree.  I wonder if
it's safe, here in the 21st century, to lose the distinction between C and
ASM symbols?
This commit is contained in:
Ian Lepore 2014-12-25 16:49:33 +00:00
parent 714429358f
commit b05d247e35
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=276204
1 changed files with 15 additions and 4 deletions
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19
sys/arm/include/asm.h
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@ -75,6 +75,7 @@
/*
* EENTRY()/EEND() mark "extra" entry/exit points from a function.
* LEENTRY()/LEEND() are the the same for local symbols.
* The unwind info cannot handle the concept of a nested function, or a function
* with multiple .fnstart directives, but some of our assembler code is written
* with multiple labels to allow entry at several points. The EENTRY() macro
@ -84,11 +85,15 @@
*/
#define GLOBAL(x) .global x
#define _EENTRY(x) GLOBAL(x); .type x,_ASM_TYPE_FUNCTION; x:
#define _EEND(x) /* nothing */
#define _LEENTRY(x) .type x,_ASM_TYPE_FUNCTION; x:
#define _LEEND(x) /* nothing */
#define _EENTRY(x) GLOBAL(x); _LEENTRY(x)
#define _EEND(x) _LEEND(x)
#define _ENTRY(x) .text; _ALIGN_TEXT; _EENTRY(x) _FNSTART
#define _END(x) .size x, . - x; _FNEND
#define _LENTRY(x) .text; _ALIGN_TEXT; _LEENTRY(x); _FNSTART
#define _LEND(x) .size x, . - x; _FNEND
#define _ENTRY(x) .text; _ALIGN_TEXT; _EENTRY(x); _FNSTART
#define _END(x) _LEND(x)
#define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
#define EENTRY(y) _EENTRY(_C_LABEL(y));
@ -97,11 +102,17 @@
#define END(y) _END(_C_LABEL(y))
#define EEND(y) _EEND(_C_LABEL(y))
#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
#define ASLENTRY(y) _LENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
#define ASEENTRY(y) _EENTRY(_ASM_LABEL(y));
#define ASLEENTRY(y) _LEENTRY(_ASM_LABEL(y));
#define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y))
#define ASLENTRY_NP(y) _LENTRY(_ASM_LABEL(y))
#define ASEENTRY_NP(y) _EENTRY(_ASM_LABEL(y))
#define ASLEENTRY_NP(y) _LEENTRY(_ASM_LABEL(y))
#define ASEND(y) _END(_ASM_LABEL(y))
#define ASLEND(y) _LEND(_ASM_LABEL(y))
#define ASEEND(y) _EEND(_ASM_LABEL(y))
#define ASLEEND(y) _LEEND(_ASM_LABEL(y))
#define ASMSTR .asciz