1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
From 8dcd8c837df2e3cf81675522487697522f1542f8 Mon Sep 17 00:00:00 2001
From: dengjianbo <dengjianbo@loongson.cn>
Date: Tue, 8 Aug 2023 14:15:42 +0800
Subject: [PATCH 01/29] LoongArch: Redefine macro LEAF/ENTRY.
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
Signed-off-by: Peng Fan <fanpeng@loongson.cn>
Signed-off-by: ticat_fp <fanpeng@loongson.cn>
---
sysdeps/loongarch/sys/asm.h | 36 ++++++++++++++++++++++++++----------
1 file changed, 26 insertions(+), 10 deletions(-)
diff --git a/sysdeps/loongarch/sys/asm.h b/sysdeps/loongarch/sys/asm.h
index d1a279b8..c5eb8afa 100644
--- a/sysdeps/loongarch/sys/asm.h
+++ b/sysdeps/loongarch/sys/asm.h
@@ -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:
-
-#define ENTRY(symbol) LEAF (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)
+
/* Mark end of function. */
#undef END
--
2.33.0
|
