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vp-build/srcpkgs/electron9/files/musl-patches/chromium-musl_xxx_ppc64le.p...

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From 5aadb50aa4d5220ff38c25fc7c5333ffd0abbc27 Mon Sep 17 00:00:00 2001
From: Daniel Kolesa <daniel@octaforge.org>
Date: Sun, 13 Sep 2020 00:10:49 +0200
Subject: [PATCH] ppc64le musl bits
---
sandbox/linux/bpf_dsl/seccomp_macros.h | 6 +++---
sandbox/linux/seccomp-bpf/syscall.cc | 4 ++--
.../abseil-cpp/absl/base/internal/unscaledcycleclock.h | 2 +-
.../src/client/linux/dump_writer_common/thread_info.cc | 7 +++++--
.../src/client/linux/dump_writer_common/ucontext_reader.cc | 7 +++++--
.../breakpad/src/client/linux/handler/exception_handler.cc | 5 +++++
.../crashpad/crashpad/snapshot/linux/signal_context.h | 2 +-
third_party/crashpad/crashpad/util/linux/thread_info.h | 1 +
third_party/lss/linux_syscall_support.h | 4 ++++
9 files changed, 27 insertions(+), 11 deletions(-)
diff --git a/sandbox/linux/bpf_dsl/seccomp_macros.h b/sandbox/linux/bpf_dsl/seccomp_macros.h
index a6aec544e0..2a4a7f1bca 100644
--- a/sandbox/linux/bpf_dsl/seccomp_macros.h
+++ b/sandbox/linux/bpf_dsl/seccomp_macros.h
@@ -16,7 +16,7 @@
#if defined(__mips__)
// sys/user.h in eglibc misses size_t definition
#include <stddef.h>
-#elif defined(__powerpc64__)
+#elif defined(__powerpc64__) && defined(__GLIBC__)
// Manually define greg_t on ppc64
typedef unsigned long long greg_t;
#endif
@@ -361,11 +361,11 @@ typedef struct pt_regs regs_struct;
#define SECCOMP_ARCH AUDIT_ARCH_PPC64
#endif
-#define SECCOMP_REG(_ctx, _reg) ((_ctx)->uc_mcontext.regs->gpr[_reg])
+#define SECCOMP_REG(_ctx, _reg) (((struct pt_regs *)(_ctx)->uc_mcontext.regs)->gpr[_reg])
#define SECCOMP_RESULT(_ctx) SECCOMP_REG(_ctx, 3)
#define SECCOMP_SYSCALL(_ctx) SECCOMP_REG(_ctx, 0)
-#define SECCOMP_IP(_ctx) (_ctx)->uc_mcontext.regs->nip
+#define SECCOMP_IP(_ctx) ((struct pt_regs *)(_ctx)->uc_mcontext.regs)->nip
#define SECCOMP_PARM1(_ctx) SECCOMP_REG(_ctx, 3)
#define SECCOMP_PARM2(_ctx) SECCOMP_REG(_ctx, 4)
#define SECCOMP_PARM3(_ctx) SECCOMP_REG(_ctx, 5)
diff --git a/sandbox/linux/seccomp-bpf/syscall.cc b/sandbox/linux/seccomp-bpf/syscall.cc
index 10fa5fd070..30b7b3851f 100644
--- a/sandbox/linux/seccomp-bpf/syscall.cc
+++ b/sandbox/linux/seccomp-bpf/syscall.cc
@@ -497,9 +497,9 @@ void Syscall::PutValueInUcontext(intptr_t ret_val, ucontext_t* ctx) {
// Same as MIPS, need to invert ret and set error register (cr0.SO)
if (ret_val <= -1 && ret_val >= -4095) {
ret_val = -ret_val;
- ctx->uc_mcontext.regs->ccr |= (1 << 28);
+ ((struct pt_regs *)ctx->uc_mcontext.regs)->ccr |= (1 << 28);
} else {
- ctx->uc_mcontext.regs->ccr &= ~(1 << 28);
+ ((struct pt_regs *)ctx->uc_mcontext.regs)->ccr &= ~(1 << 28);
}
#endif
SECCOMP_RESULT(ctx) = static_cast<greg_t>(ret_val);
diff --git a/third_party/abseil-cpp/absl/base/internal/unscaledcycleclock.h b/third_party/abseil-cpp/absl/base/internal/unscaledcycleclock.h
index cdce9bf8a8..73d77dda4d 100644
--- a/third_party/abseil-cpp/absl/base/internal/unscaledcycleclock.h
+++ b/third_party/abseil-cpp/absl/base/internal/unscaledcycleclock.h
@@ -46,7 +46,7 @@
// The following platforms have an implementation of a hardware counter.
#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || \
- defined(__powerpc__) || defined(__ppc__) || \
+ ((defined(__powerpc__) || defined(__ppc__)) && defined(__GLIBC__)) || \
defined(_M_IX86) || defined(_M_X64)
#define ABSL_HAVE_UNSCALED_CYCLECLOCK_IMPLEMENTATION 1
#else
diff --git a/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc b/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
index 03afec7a58..0264ecf135 100644
--- a/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
+++ b/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
@@ -273,6 +273,9 @@ void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
#elif defined(__powerpc64__)
+#include <asm/elf.h>
+#include <asm/ptrace.h>
+
uintptr_t ThreadInfo::GetInstructionPointer() const {
return mcontext.gp_regs[PT_NIP];
}
@@ -290,9 +293,9 @@ void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
out->ctr = mcontext.gp_regs[PT_CTR];
for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
- out->float_save.fpregs[i] = mcontext.fp_regs[i];
+ out->float_save.fpregs[i] = ((uint64_t *)&mcontext.fp_regs)[i];
- out->float_save.fpscr = mcontext.fp_regs[NFPREG-1];
+ out->float_save.fpscr = ((uint64_t *)&mcontext.fp_regs)[ELF_NFPREG-1];
for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++)
out->vector_save.save_vr[i] = \
diff --git a/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc b/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
index 7620cf6f79..54e373611f 100644
--- a/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
+++ b/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
@@ -257,6 +257,9 @@ void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext_t *uc) {
#elif defined(__powerpc64__)
+#include <asm/elf.h>
+#include <asm/ptrace.h>
+
uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
return uc->uc_mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP];
}
@@ -280,9 +283,9 @@ void UContextReader::FillCPUContext(RawContextCPU* out, const ucontext_t* uc,
out->ctr = uc->uc_mcontext.gp_regs[PT_CTR];
for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
- out->float_save.fpregs[i] = uc->uc_mcontext.fp_regs[i];
+ out->float_save.fpregs[i] = ((uint64_t *)&uc->uc_mcontext.fp_regs)[i];
- out->float_save.fpscr = uc->uc_mcontext.fp_regs[NFPREG-1];
+ out->float_save.fpscr = ((uint64_t *)&uc->uc_mcontext.fp_regs)[ELF_NFPREG-1];
for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++)
out->vector_save.save_vr[i] =
diff --git a/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc b/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
index 826c9e0c21..9bb4f6a3e4 100644
--- a/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
+++ b/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
@@ -105,6 +105,11 @@
#define PR_SET_PTRACER 0x59616d61
#endif
+/* musl hack, can't include asm/ptrace.h as that causes conflicts */
+#if defined(__powerpc64__) && !defined(PT_NIP)
+#define PT_NIP 32
+#endif
+
namespace google_breakpad {
namespace {
diff --git a/third_party/crashpad/crashpad/snapshot/linux/signal_context.h b/third_party/crashpad/crashpad/snapshot/linux/signal_context.h
index a1f2da2591..e6a5bd72ab 100644
--- a/third_party/crashpad/crashpad/snapshot/linux/signal_context.h
+++ b/third_party/crashpad/crashpad/snapshot/linux/signal_context.h
@@ -469,7 +469,7 @@ struct MContext64 {
SignalThreadContext64 gp_regs;
SignalFloatContext64 fp_regs;
SignalVectorContext64 *v_regs;
- int64_t vmx_reserve[69];
+ int64_t vmx_reserve[101];
};
struct ContextTraits64 : public Traits64 {
diff --git a/third_party/crashpad/crashpad/util/linux/thread_info.h b/third_party/crashpad/crashpad/util/linux/thread_info.h
index dea0d1f39e..b203e5b2f2 100644
--- a/third_party/crashpad/crashpad/util/linux/thread_info.h
+++ b/third_party/crashpad/crashpad/util/linux/thread_info.h
@@ -30,6 +30,7 @@
#if defined(ARCH_CPU_PPC64_FAMILY)
#include <sys/ucontext.h>
+#include <asm/ptrace.h>
#endif
namespace crashpad {
diff --git a/third_party/lss/linux_syscall_support.h b/third_party/lss/linux_syscall_support.h
index 4c02137faa..259c5726d7 100644
--- a/third_party/lss/linux_syscall_support.h
+++ b/third_party/lss/linux_syscall_support.h
@@ -4223,9 +4223,13 @@ struct kernel_statfs {
}
#endif
#if defined(__NR_fstatat64)
+ // musl does #define fstatat64 fstatat
+ #undef fstatat64
LSS_INLINE _syscall4(int, fstatat64, int, d,
const char *, p,
struct kernel_stat64 *, b, int, f)
+ // set it back like it was
+ #define fstatat64 fstatat
#endif
#if defined(__NR_waitpid)
// waitpid is polyfilled below when not available.
--
2.28.0
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