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* [glibc/arm/morello/main] Revert "TODO(gprof): aarch64: morello: add gprof profiling support to asm"
@ 2022-10-26 14:50 Szabolcs Nagy
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From: Szabolcs Nagy @ 2022-10-26 14:50 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c5872cb18bcef09e9032dcc186ea668b8b1df49e
commit c5872cb18bcef09e9032dcc186ea668b8b1df49e
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 21 15:43:44 2022 +0100
Revert "TODO(gprof): aarch64: morello: add gprof profiling support to asm"
This reverts commit 960401b6f740232d2b97bfe9ea4118b394112a5e.
Diff:
---
sysdeps/aarch64/sysdep.h | 42 ++++--------------------------------------
1 file changed, 4 insertions(+), 38 deletions(-)
diff --git a/sysdeps/aarch64/sysdep.h b/sysdeps/aarch64/sysdep.h
index eb58ee340d..6575503c8b 100644
--- a/sysdeps/aarch64/sysdep.h
+++ b/sysdeps/aarch64/sysdep.h
@@ -151,44 +151,10 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI)
ASM_SIZE_DIRECTIVE(name)
/* If compiled for profiling, call `mcount' at the start of each function. */
-#if defined PROF && defined __CHERI_PURE_CAPABILITY__
-/* Note: c9 must be preserved in var arg functions. */
-# define CALL_MCOUNT \
- stp c30, c9, [csp, #-160]!; \
- cfi_adjust_cfa_offset (160); \
- cfi_rel_offset (c30, 0); \
- cfi_rel_offset (c9, 16); \
- stp c0, c1, [csp, #32]; \
- cfi_rel_offset (c0, 32); \
- cfi_rel_offset (c1, 48); \
- stp c2, c3, [csp, #64]; \
- cfi_rel_offset (c2, 64); \
- cfi_rel_offset (c3, 80); \
- stp c4, c5, [csp, #96]; \
- cfi_rel_offset (c4, 96); \
- cfi_rel_offset (c5, 112); \
- stp c6, c7, [csp, #128]; \
- cfi_rel_offset (c6, 128); \
- cfi_rel_offset (c7, 144); \
- mov c0, c30; \
- bl mcount; \
- ldp c0, c1, [csp, #32]; \
- cfi_restore (c0); \
- cfi_restore (c1); \
- ldp c2, c3, [csp, #64]; \
- cfi_restore (c2); \
- cfi_restore (c3); \
- ldp c4, c5, [csp, #96]; \
- cfi_restore (c4); \
- cfi_restore (c5); \
- ldp c6, c7, [csp, #128]; \
- cfi_restore (c6); \
- cfi_restore (c7); \
- ldp c30, c9, [csp, #160]; \
- cfi_adjust_cfa_offset (-160); \
- cfi_restore (c30); \
- cfi_restore (c9);
-#elif defined PROF && !defined __CHERI_PURE_CAPAILITY__
+#ifdef PROF
+# ifdef __CHERI_PURE_CAPABILITY__
+# error mcount profiling is not supported with purecap ABI
+# endif
# define CALL_MCOUNT \
str x30, [sp, #-80]!; \
cfi_adjust_cfa_offset (80); \
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2022-10-26 14:50 [glibc/arm/morello/main] Revert "TODO(gprof): aarch64: morello: add gprof profiling support to asm" Szabolcs Nagy
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