systemtap/systemtap-snapshot-revert-sdt-section.patch

48 lines
1.9 KiB
Diff

commit 83994b86444a4b75488b513362fd23390936e2a4
Author: Josh Stone <jistone@redhat.com>
Date: Thu Sep 26 10:53:14 2013 -0700
Revert "SDT: Use %foo for section types rather than "foo""
This reverts commit a31190f59188830b78dce26f0fbc42084f27c3c1.
This broke glibc's use of SDT_PROBE_ASM; revert until we figure it out.
diff --git a/includes/sys/sdt.h b/includes/sys/sdt.h
index 8230a5b..ba04c12 100644
--- a/includes/sys/sdt.h
+++ b/includes/sys/sdt.h
@@ -171,22 +171,9 @@ __extension__ extern unsigned long long __sdt_unsp;
# define _SDT_ASM_AUTOGROUP ""
#endif
-/* We used to have just "note", but some assemblers don't support that.
- * GAS documents that it should be @note, but since ARM uses @ for
- * comments, it also supports %note. It appears we can get away with
- * the latter everywhere, so long as we escape it depending on mode.
- * NB: %progbits apparently doesn't need (and can't have) similar %%
- * escaping, since that asm() has no operands. */
-#ifdef __ASSEMBLER__
-#define _SDT_ASM_NOTE %note
-#else
-#define _SDT_ASM_NOTE %%note
-#endif
-
#define _SDT_ASM_BODY(provider, name, pack_args, args) \
_SDT_ASM_1(990: _SDT_NOP) \
- _SDT_ASM_3( .pushsection .note.stapsdt,_SDT_ASM_AUTOGROUP, \
- _SDT_ASM_NOTE) \
+ _SDT_ASM_3( .pushsection .note.stapsdt,_SDT_ASM_AUTOGROUP,"note") \
_SDT_ASM_1( .balign 4) \
_SDT_ASM_3( .4byte 992f-991f, 994f-993f, _SDT_NOTE_TYPE) \
_SDT_ASM_1(991: .asciz _SDT_NOTE_NAME) \
@@ -202,7 +189,7 @@ __extension__ extern unsigned long long __sdt_unsp;
#define _SDT_ASM_BASE \
_SDT_ASM_1(.ifndef _.stapsdt.base) \
- _SDT_ASM_5( .pushsection .stapsdt.base,"aG",%progbits, \
+ _SDT_ASM_5( .pushsection .stapsdt.base,"aG","progbits", \
.stapsdt.base,comdat) \
_SDT_ASM_1( .weak _.stapsdt.base) \
_SDT_ASM_1( .hidden _.stapsdt.base) \