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LoongArch: Redefine macro LEAF/ENTRY.

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The following usage of macro LEAF/ENTRY are all feasible:
1. LEAF(fcn) -- the align value of fcn is .align 3(default value)
2. LEAF(fcn, 6) -- the align value of fcn is .align 6
This commit is contained in:
dengjianbo 2023-08-08 14:15:42 +08:00 • committed by caiyinyu
parent 084fb31bc2
commit 57b2c14272
1 changed files with 25 additions and 9 deletions
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34
sysdeps/loongarch/sys/asm.h
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@ -39,16 +39,32 @@
#define FREG_L fld.d
#define FREG_S fst.d
/* Declare leaf routine. */
#define LEAF(symbol) \
.text; \
.globl symbol; \
.align 3; \
cfi_startproc; \
.type symbol, @function; \
symbol:
/* Declare leaf routine.
The usage of macro LEAF/ENTRY is as follows:
1. LEAF(fcn) -- the align value of fcn is .align 3 (default value)
2. LEAF(fcn, 6) -- the align value of fcn is .align 6
*/
#define LEAF_IMPL(symbol, aln, ...) \
.text; \
.globl symbol; \
.align aln; \
.type symbol, @function; \
symbol: \
cfi_startproc;
#define LEAF(...) LEAF_IMPL(__VA_ARGS__, 3)
#define ENTRY(...) LEAF(__VA_ARGS__)
#define LEAF_NO_ALIGN(symbol) \
.text; \
.globl symbol; \
.type symbol, @function; \
symbol: \
cfi_startproc;
#define ENTRY_NO_ALIGN(symbol) LEAF_NO_ALIGN(symbol)
#define ENTRY(symbol) LEAF (symbol)
/* Mark end of function. */
#undef END