f1455b56eb
This commit backports an upstream patch that fixes the build on RISC-V 32-bits. Fixes: http://autobuild.buildroot.net/results/c6c2c99bdba8c840d52fe0464d26aca169ea1d90/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
78 lines
2.7 KiB
Diff
78 lines
2.7 KiB
Diff
From 3f347c46272886a099852a4cd303ecf37a054de8 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Mon, 18 May 2020 10:23:50 -0700
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Subject: [PATCH] Fix build on riscv32 (#675)
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[Backport from upstream commit 3f347c46272886a099852a4cd303ecf37a054de8]
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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---
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absl/base/internal/direct_mmap.h | 5 +++++
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absl/base/internal/spinlock_linux.inc | 8 ++++++++
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absl/synchronization/internal/waiter.cc | 8 ++++++++
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3 files changed, 21 insertions(+)
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diff --git a/absl/base/internal/direct_mmap.h b/absl/base/internal/direct_mmap.h
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index 5618867..16accf0 100644
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--- a/absl/base/internal/direct_mmap.h
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+++ b/absl/base/internal/direct_mmap.h
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@@ -61,6 +61,10 @@ extern "C" void* __mmap2(void*, size_t, int, int, int, size_t);
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#endif
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#endif // __BIONIC__
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+#if defined(__NR_mmap2) && !defined(SYS_mmap2)
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+#define SYS_mmap2 __NR_mmap2
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+#endif
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+
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace base_internal {
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@@ -72,6 +76,7 @@ inline void* DirectMmap(void* start, size_t length, int prot, int flags, int fd,
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#if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \
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(defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \
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(defined(__PPC__) && !defined(__PPC64__)) || \
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+ (defined(__riscv) && __riscv_xlen == 32) || \
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(defined(__s390__) && !defined(__s390x__))
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// On these architectures, implement mmap with mmap2.
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static int pagesize = 0;
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diff --git a/absl/base/internal/spinlock_linux.inc b/absl/base/internal/spinlock_linux.inc
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index 323edd6..e31c6ed 100644
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--- a/absl/base/internal/spinlock_linux.inc
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+++ b/absl/base/internal/spinlock_linux.inc
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@@ -46,6 +46,14 @@ static_assert(sizeof(std::atomic<uint32_t>) == sizeof(int),
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#endif
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#endif
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+#if defined(__NR_futex_time64) && !defined(SYS_futex_time64)
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+#define SYS_futex_time64 __NR_futex_time64
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+#endif
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+
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+#if defined(SYS_futex_time64) && !defined(SYS_futex)
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+#define SYS_futex SYS_futex_time64
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+#endif
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+
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extern "C" {
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ABSL_ATTRIBUTE_WEAK void AbslInternalSpinLockDelay(
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diff --git a/absl/synchronization/internal/waiter.cc b/absl/synchronization/internal/waiter.cc
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index 2949f5a..b6150b9 100644
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--- a/absl/synchronization/internal/waiter.cc
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+++ b/absl/synchronization/internal/waiter.cc
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@@ -86,6 +86,14 @@ static void MaybeBecomeIdle() {
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#endif
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#endif
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+#if defined(__NR_futex_time64) && !defined(SYS_futex_time64)
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+#define SYS_futex_time64 __NR_futex_time64
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+#endif
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+
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+#if defined(SYS_futex_time64) && !defined(SYS_futex)
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+#define SYS_futex SYS_futex_time64
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+#endif
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+
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class Futex {
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public:
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static int WaitUntil(std::atomic<int32_t> *v, int32_t val,
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--
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2.26.2
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