Update to musl 1.1.23.

See the WHATSNEW file for details; among other things, this contains new
math library implementation for log/exp/pow.

Author: sunfishcode

expected/wasm32-wasi/defined-symbols.txt

@@ -41,6 +41,8 @@ __env_rm_add
 __env_rm_add
 __env_rm_add
 __environ
+__exp2f_data
+__exp_data
 __expo2
 __expo2f
 __fbufsize
@@ -134,6 +136,20 @@ __lgammal_r
 __libc
 __loc_is_allocated
 __localtime_r
+__log2_data
+__log2f_data
+__log_data
+__logf_data
+__math_divzero
+__math_divzerof
+__math_invalid
+__math_invalidf
+__math_oflow
+__math_oflowf
+__math_uflow
+__math_uflowf
+__math_xflow
+__math_xflowf
 __memrchr
 __mo_lookup
 __month_to_secs
@@ -152,6 +168,8 @@ __pio2_lo
 __pleval
 __polevll
 __posix_getopt
+__pow_log_data
+__powf_log2_data
 __prepare_for_exit
 __progname
 __progname_full

expected/wasm32-wasi/predefined-macros.txt

@@ -615,6 +615,7 @@
 #define INADDRSZ NS_INADDRSZ
 #define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001)
 #define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002)
+#define INADDR_ALLSNOOPERS_GROUP ((in_addr_t) 0xe000006a)
 #define INADDR_ANY ((in_addr_t) 0x00000000)
 #define INADDR_BROADCAST ((in_addr_t) 0xffffffff)
 #define INADDR_LOOPBACK ((in_addr_t) 0x7f000001)
@@ -861,6 +862,7 @@
 #define IPV6_RECVRTHDR 56
 #define IPV6_RECVTCLASS 66
 #define IPV6_ROUTER_ALERT 22
+#define IPV6_ROUTER_ALERT_ISOLATE 30
 #define IPV6_RTHDR 57
 #define IPV6_RTHDRDSTOPTS 55
 #define IPV6_RTHDR_LOOSE 0

libc-top-half/README.md

@@ -1,5 +1,5 @@
 Code in the musl directory is based on musl revision
-e97681d6f2c44bf5fa9ecdd30607cb63c780062e, which is v1.1.22, from
+b07d45eb01e900f0176894fdedab62285f5cb8be, which is v1.1.23, from
 git://git.musl-libc.org/musl.
 
 Whole files which are unused are omitted. Changes to upstream code are wrapped

libc-top-half/musl/COPYRIGHT

@@ -1,7 +1,7 @@
 musl as a whole is licensed under the following standard MIT license:
 
 ----------------------------------------------------------------------
-Copyright © 2005-2014 Rich Felker, et al.
+Copyright © 2005-2019 Rich Felker, et al.
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
@@ -27,11 +27,15 @@ Authors/contributors include:
 
 A. Wilcox
 Alex Dowad
+Alex Suykov
 Alexander Monakov
+Andre McCurdy
 Andrew Kelley
 Anthony G. Basile
+Aric Belsito
 Arvid Picciani
 Bartosz Brachaczek
+Benjamin Peterson
 Bobby Bingham
 Boris Brezillon
 Brent Cook
@@ -40,11 +44,14 @@ Clément Vasseur
 Daniel Micay
 Daniel Sabogal
 Daurnimator
+David Carlier
 David Edelsohn
 Denys Vlasenko
 Dmitry Ivanov
 Dmitry V. Levin
+Drew DeVault
 Emil Renner Berthing
+Fangrui Song
 Felix Fietkau
 Felix Janda
 Gianluca Anzolin
@@ -61,35 +68,43 @@ John Spencer
 Josiah Worcester
 Julien Ramseier
 Justin Cormack
+Kaarle Ritvanen
 Khem Raj
 Kylie McClain
 Leah Neukirchen
 Luca Barbato
 Luka Perkov
 M Farkas-Dyck (Strake)
 Mahesh Bodapati
+Markus Wichmann
 Masanori Ogino
+Michael Clark
 Michael Forney
 Mikhail Kremnyov
 Natanael Copa
 Nicholas J. Kain
 orc
 Pascal Cuoq
+Patrick Oppenlander
 Petr Hosek
 Petr Skocik
 Pierre Carrier
 Reini Urban
 Rich Felker
 Richard Pennington
+Ryan Fairfax
 Samuel Holland
+Segev Finer
 Shiz
 sin
 Solar Designer
 Stefan Kristiansson
+Stefan O'Rear
 Szabolcs Nagy
 Timo Teräs
 Trutz Behn
 Valentin Ochs
+Will Dietz
 William Haddon
 William Pitcock
 

libc-top-half/musl/INSTALL

@@ -63,7 +63,7 @@ and ABI combinations:
       is required
 
 * MIPS64
-    * ABI is n64 (LP64)
+    * ABI is n64 (LP64) or n32 (ILP32)
     * Big-endian default; little-endian variants also supported
     * Default ABI variant uses FPU registers; alternate soft-float ABI
       that does not use FPU registers or instructions is available
@@ -96,6 +96,11 @@ and ABI combinations:
 
 * OpenRISC 1000 (or1k)
 
+* RISC-V 64
+    * Little endian
+    * Hard, soft, and hard-single/soft-double floating point ABIs
+    * Standard ELF; no shared-text NOMMU support
+
 
 
 Build and Installation Procedure

libc-top-half/musl/VERSION

@@ -1 +1 @@
-1.1.22
+1.1.23

libc-top-half/musl/WHATSNEW

@@ -2077,3 +2077,41 @@ bugs fixed:
 
 arch-specfic bugs fixed:
 - s390x had wrong values for POSIX_FADV_DONTNEED/_NOREUSE
+
+
+
+1.1.23 release notes
+
+new features:
+- riscv64 port
+- configure now allows customizing AR and RANLIB vars
+- header-level support for new linux features in 5.1
+
+major internal changes:
+- removed extern __syscall; syscall header code is now fully self-contained
+
+performance:
+- new math library implementation for log/exp/pow
+- aarch64 dynamic tlsdesc function is streamlined
+
+compatibility & conformance:
+- O_TTY_INIT is now defined
+- sys/types.h no longer pollutes namespace with sys/sysmacros.h in any profile
+- powerpc asm is now compatible with clang internal assembler
+
+changes for new POSIX interpretations:
+- fgetwc now sets stream error indicator on encoding errors
+- fmemopen no longer rejects 0 size
+
+bugs fixed:
+- static TLS for shared libraries was allocated wrong on "Variant I" archs
+- crash in dladdr reading through uninitialized pointer on non-match
+- sigaltstack wrongly errored out on invalid ss_size when doing SS_DISABLE
+- getdents function misbehaved with buffer length larger than INT_MAX
+- set*id could deadlock after fork from multithreaded process
+
+arch-specfic bugs fixed:
+- s390x SO_PEERSEC definition was wrong
+- passing of 64-bit syscall arguments was broken on microblaze
+- posix_fadvise was broken on mips due to missing 7-arg syscall support
+- vrregset_t layout and member naming was wrong on powerpc64

libc-top-half/musl/arch/aarch64/bits/syscall.h.in

@@ -277,4 +277,8 @@
 #define __NR_io_pgetevents 292
 #define __NR_rseq 293
 #define __NR_kexec_file_load 294
+#define __NR_pidfd_send_signal 424
+#define __NR_io_uring_setup 425
+#define __NR_io_uring_enter 426
+#define __NR_io_uring_register 427
 

libc-top-half/musl/arch/aarch64/fp_arch.h

@@ -0,0 +1,25 @@
+#define fp_barrierf fp_barrierf
+static inline float fp_barrierf(float x)
+{
+	__asm__ __volatile__ ("" : "+w"(x));
+	return x;
+}
+
+#define fp_barrier fp_barrier
+static inline double fp_barrier(double x)
+{
+	__asm__ __volatile__ ("" : "+w"(x));
+	return x;
+}
+
+#define fp_force_evalf fp_force_evalf
+static inline void fp_force_evalf(float x)
+{
+	__asm__ __volatile__ ("" : "+w"(x));
+}
+
+#define fp_force_eval fp_force_eval
+static inline void fp_force_eval(double x)
+{
+	__asm__ __volatile__ ("" : "+w"(x));
+}

libc-top-half/musl/arch/arm/atomic_arch.h

@@ -83,7 +83,7 @@ static inline void a_crash()
 		: : : "memory");
 }
 
-#if __ARM_ARCH >= 5
+#if __ARM_ARCH >= 5 && (!__thumb__ || __thumb2__)
 
 #define a_clz_32 a_clz_32
 static inline int a_clz_32(uint32_t x)