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llvm19: fix getauxval patch

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aba3671006 accidentally used the wrong patch.
This commit is contained in:
oreo639 2025-05-04 22:36:41 -07:00
parent aba3671006
commit 0bdf8b3a55
1 changed files with 25 additions and 19 deletions
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44
srcpkgs/llvm19/patches/compiler-rt-getauxval-aarch64.patch
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@ -1,45 +1,51 @@
__getauxval is a private symbol in musl, use the public getauxval function
From 3d36920a76e992c9a723ca4d3bccee8d0bef3251 Mon Sep 17 00:00:00 2001
From cd634f57c10dedbe4f908889dece2c4460b702c9 Mon Sep 17 00:00:00 2001
From: Daniel Kiss <daniel.kiss@arm.com>
Date: Mon, 12 Aug 2024 23:05:50 +0200
Date: Fri, 30 Aug 2024 08:51:08 +0200
Subject: [PATCH] [compiler-rt][AArch64][Android] Use getauxval on Android.
(#102979)
__getauxval is a libgcc function that doesn't exist on Android.
Also on Linux let's use getauxval as it is anyway used other places in compiler-rt.
---
compiler-rt/lib/builtins/aarch64/sme-abi-init.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
.../lib/builtins/aarch64/sme-abi-init.c | 22 +++++++++----------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/compiler-rt/lib/builtins/aarch64/sme-abi-init.c b/compiler-rt/lib/builtins/aarch64/sme-abi-init.c
index b6ee12170d56d..8b6715bd2254c 100644
index b6ee12170d56d..d3cd8278a5d21 100644
--- a/compiler-rt/lib/builtins/aarch64/sme-abi-init.c
+++ b/compiler-rt/lib/builtins/aarch64/sme-abi-init.c
@@ -7,7 +7,8 @@ _Bool __aarch64_has_sme_and_tpidr2_el0;
@@ -7,24 +7,22 @@ _Bool __aarch64_has_sme_and_tpidr2_el0;
// We have multiple ways to check that the function has SME, depending on our
// target.
-// * For Linux we can use __getauxval().
+// * For Linux/glibc we can use __getauxval().
+// * For Linux/Glibc we can use getauxval().
+// * For Android we can use getauxval().
// * For newlib we can use __aarch64_sme_accessible().
#if defined(__linux__)
@@ -20,11 +21,15 @@ _Bool __aarch64_has_sme_and_tpidr2_el0;
#define HWCAP2_SME (1 << 23)
#endif
+#ifdef __ANDROID__
+extern unsigned long int getauxval(unsigned long int);
+#define GETAUXVAL(x) getauxval(x)
-#ifndef AT_HWCAP2
-#define AT_HWCAP2 26
+#if defined(__ANDROID__)
+#include <sys/auxv.h>
+#elif __has_include(<sys/auxv.h>)
+#include <sys/auxv.h>
+#else
extern unsigned long int __getauxval (unsigned long int);
+#define GETAUXVAL(x) __getauxval(x)
+#endif
+#define getauxval(x) 0
#endif
+#include "../cpu_model/aarch64/hwcap.inc"
-#ifndef HWCAP2_SME
-#define HWCAP2_SME (1 << 23)
-#endif
-
-extern unsigned long int __getauxval (unsigned long int);
-
-static _Bool has_sme(void) {
- return __getauxval(AT_HWCAP2) & HWCAP2_SME;
-}
+static _Bool has_sme(void) { return GETAUXVAL(AT_HWCAP2) & HWCAP2_SME; }
+static _Bool has_sme(void) { return getauxval(AT_HWCAP2) & HWCAP2_SME; }
#else // defined(__linux__)