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toolchain/musl: bump to version 1.1.24
1.1.24 release notes new features: - GLOB_TILDE extension to glob - non-stub catgets localization API, using netbsd binary catalog format - posix_spawn file actions for [f]chdir (extension, pending future standard) - secure_getenv function (extension) - copy_file_range syscall wrapper (Linux extension) - header-level support for new linux features in 5.2 performance: - new fast path for lrint (generic C version) on 32-bit archs major internal changes: - functions involving time are overhauled to be time64-ready in 32-bit archs - x32 uses the new time64 code paths to replace nasty hacks in syscall glue compatibility & conformance: - support for powerpc[64] unaligned relocation types - powerpc[64] and sh sys/user.h no longer clash with kernel asm/ptrace.h - select no longer modifies timeout on failure (or at all) - mips64 stat results are no longer limited to 32-bit time range - optreset (BSD extension) now has a public declaration - support for clang inconsistencies in wchar_t type vs some 32-bit archs - mips r6 syscall asm no longer has invalid lo/hi register clobbers - vestigial asm declarations of __tls_get_new are removed (broke some tooling) - riscv64 mcontext_t mismatch glibc's member naming is corrected bugs fixed: - glob failed to match broken symlinks consistently - invalid use of interposed calloc to allocate initial TLS - various dlsym symbol resolution logic errors - semctl with SEM_STAT_ANY didn't work - pthread_create with explicit scheduling was subject to priority inversion - pthread_create failure path had data race for thread count - timer_create with SIGEV_THREAD notification had data race getting timer id - wide printf family failed to support l modifier for float formats arch-specific bugs fixed: - x87 floating point stack imbalance in math asm (i386-only CVE-2019-14697) - x32 clock_adjtime, getrusage, wait3, wait4 produced junk (struct mismatches) - lseek broken on x32 and mipsn32 with large file offsets - riscv64 atomics weren't compiler barriers - riscv64 atomics had broken asm constraints (missing earlyclobber flag) - arm clone() was broken when compiled as thumb if start function returned - mipsr6 setjmp/longjmp did not preserve fpu register state correctly Refreshed all patches. Removed upstreamed. Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
This commit is contained in:
Koen Vandeputte
parent
57b834281b
commit
4d5b62263c
@ -8,13 +8,13 @@ include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/target.mk
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PKG_NAME:=musl
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PKG_VERSION:=1.1.23
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PKG_RELEASE:=3
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PKG_VERSION:=1.1.24
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PKG_RELEASE:=1
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
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PKG_SOURCE_VERSION:=b07d45eb01e900f0176894fdedab62285f5cb8be
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PKG_MIRROR_HASH:=47aa4608384cfde1da3e310051a15ddb58ab25d62d8232b6e17e56a681dce44e
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PKG_SOURCE_VERSION:=ea9525c8bcf6170df59364c4bcd616de1acf8703
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PKG_MIRROR_HASH:=6975c45b9bfe586ac00dbfcd1b1a13ab110af0528028ab3dee03e23e2c0763e5
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PKG_SOURCE_URL:=https://git.musl-libc.org/git/musl
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
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@ -1,136 +0,0 @@
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>From a57cd35acf26ba6202ed6534a57f496464f431a1 Mon Sep 17 00:00:00 2001
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From: Szabolcs Nagy <nsz@port70.net>
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Date: Sat, 10 Aug 2019 23:14:40 +0000
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Subject: [PATCH] make relocation time symbol lookup and dlsym consistent
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Using common code path for all symbol lookups fixes three dlsym issues:
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- st_shndx of STT_TLS symbols were not checked and thus an undefined
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tls symbol reference could be incorrectly treated as a definition
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(the sysv hash lookup returns undefined symbols, gnu does not, so should
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be rare in practice).
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- symbol binding was not checked so a hidden symbol may be returned
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(in principle STB_LOCAL symbols may appear in the dynamic symbol table
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for hidden symbols, but linkers most likely don't produce it).
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- mips specific behaviour was not applied (ARCH_SYM_REJECT_UND) so
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undefined symbols may be returned on mips.
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always_inline is used to avoid relocation performance regression, the
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code generation for find_sym should not be affected.
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---
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ldso/dynlink.c | 84 +++++++++++++++++++-------------------------------
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1 file changed, 31 insertions(+), 53 deletions(-)
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--- a/ldso/dynlink.c
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+++ b/ldso/dynlink.c
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@@ -283,12 +283,16 @@ static Sym *gnu_lookup_filtered(uint32_t
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#define ARCH_SYM_REJECT_UND(s) 0
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#endif
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-static struct symdef find_sym(struct dso *dso, const char *s, int need_def)
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+#if defined(__GNUC__)
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+__attribute__((always_inline))
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+#endif
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+static inline struct symdef find_sym2(struct dso *dso, const char *s, int need_def, int use_deps)
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{
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uint32_t h = 0, gh = gnu_hash(s), gho = gh / (8*sizeof(size_t)), *ght;
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size_t ghm = 1ul << gh % (8*sizeof(size_t));
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struct symdef def = {0};
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- for (; dso; dso=dso->syms_next) {
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+ struct dso **deps = use_deps ? dso->deps : 0;
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+ for (; dso; dso=use_deps ? *deps++ : dso->syms_next) {
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Sym *sym;
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if ((ght = dso->ghashtab)) {
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sym = gnu_lookup_filtered(gh, ght, dso, s, gho, ghm);
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@@ -313,6 +317,11 @@ static struct symdef find_sym(struct dso
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return def;
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}
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+static struct symdef find_sym(struct dso *dso, const char *s, int need_def)
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+{
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+ return find_sym2(dso, s, need_def, 0);
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+}
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+
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static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride)
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{
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unsigned char *base = dso->base;
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@@ -2118,58 +2127,27 @@ static void *addr2dso(size_t a)
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static void *do_dlsym(struct dso *p, const char *s, void *ra)
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{
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- size_t i;
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- uint32_t h = 0, gh = 0, *ght;
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- Sym *sym;
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- if (p == head || p == RTLD_DEFAULT || p == RTLD_NEXT) {
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- if (p == RTLD_DEFAULT) {
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- p = head;
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- } else if (p == RTLD_NEXT) {
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- p = addr2dso((size_t)ra);
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- if (!p) p=head;
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- p = p->next;
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- }
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- struct symdef def = find_sym(p, s, 0);
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- if (!def.sym) goto failed;
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- if ((def.sym->st_info&0xf) == STT_TLS)
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- return __tls_get_addr((tls_mod_off_t []){def.dso->tls_id, def.sym->st_value-DTP_OFFSET});
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- if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC)
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- return def.dso->funcdescs + (def.sym - def.dso->syms);
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- return laddr(def.dso, def.sym->st_value);
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- }
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- if (__dl_invalid_handle(p))
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+ int use_deps = 0;
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+ if (p == head || p == RTLD_DEFAULT) {
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+ p = head;
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+ } else if (p == RTLD_NEXT) {
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+ p = addr2dso((size_t)ra);
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+ if (!p) p=head;
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+ p = p->next;
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+ } else if (__dl_invalid_handle(p)) {
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+ return 0;
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+ } else
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+ use_deps = 1;
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+ struct symdef def = find_sym2(p, s, 0, use_deps);
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+ if (!def.sym) {
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+ error("Symbol not found: %s", s);
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return 0;
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- if ((ght = p->ghashtab)) {
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- gh = gnu_hash(s);
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- sym = gnu_lookup(gh, ght, p, s);
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- } else {
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- h = sysv_hash(s);
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- sym = sysv_lookup(s, h, p);
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- }
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- if (sym && (sym->st_info&0xf) == STT_TLS)
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- return __tls_get_addr((tls_mod_off_t []){p->tls_id, sym->st_value-DTP_OFFSET});
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- if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
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- return p->funcdescs + (sym - p->syms);
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- if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
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- return laddr(p, sym->st_value);
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- for (i=0; p->deps[i]; i++) {
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- if ((ght = p->deps[i]->ghashtab)) {
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- if (!gh) gh = gnu_hash(s);
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- sym = gnu_lookup(gh, ght, p->deps[i], s);
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- } else {
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- if (!h) h = sysv_hash(s);
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- sym = sysv_lookup(s, h, p->deps[i]);
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- }
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- if (sym && (sym->st_info&0xf) == STT_TLS)
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- return __tls_get_addr((tls_mod_off_t []){p->deps[i]->tls_id, sym->st_value-DTP_OFFSET});
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- if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
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- return p->deps[i]->funcdescs + (sym - p->deps[i]->syms);
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- if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
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- return laddr(p->deps[i], sym->st_value);
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}
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-failed:
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- error("Symbol not found: %s", s);
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- return 0;
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+ if ((def.sym->st_info&0xf) == STT_TLS)
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+ return __tls_get_addr((tls_mod_off_t []){def.dso->tls_id, def.sym->st_value-DTP_OFFSET});
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+ if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC)
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+ return def.dso->funcdescs + (def.sym - def.dso->syms);
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+ return laddr(def.dso, def.sym->st_value);
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}
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int dladdr(const void *addr_arg, Dl_info *info)
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@ -1,179 +0,0 @@
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From f3ed8bfe8a82af1870ddc8696ed4cc1d5aa6b441 Mon Sep 17 00:00:00 2001
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From: Rich Felker <dalias@aerifal.cx>
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Date: Mon, 5 Aug 2019 18:41:47 -0400
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Subject: fix x87 stack imbalance in corner cases of i386 math asm
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commit 31c5fb80b9eae86f801be4f46025bc6532a554c5 introduced underflow
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code paths for the i386 math asm, along with checks on the fpu status
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word to skip the underflow-generation instructions if the underflow
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flag was already raised. unfortunately, at least one such path, in
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log1p, returned with 2 items on the x87 stack rather than just 1 item
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for the return value. this is a violation of the ABI's calling
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convention, and could cause subsequent floating point code to produce
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NANs due to x87 stack overflow. if floating point results are used in
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flow control, this can lead to runaway wrong code execution.
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rather than reviewing each "underflow already raised" code path for
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correctness, remove them all. they're likely slower than just
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performing the underflow code unconditionally, and significantly more
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complex.
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all of this code should be ripped out and replaced by C source files
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with inline asm. doing so would preclude this kind of error by having
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the compiler perform all x87 stack register allocation and stack
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manipulation, and would produce comparable or better code. however
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such a change is a much larger project.
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---
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src/math/i386/asin.s | 10 ++--------
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src/math/i386/atan.s | 7 ++-----
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src/math/i386/atan2.s | 5 +----
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src/math/i386/atan2f.s | 5 +----
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src/math/i386/atanf.s | 7 ++-----
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src/math/i386/exp.s | 10 ++--------
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src/math/i386/log1p.s | 7 ++-----
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src/math/i386/log1pf.s | 7 ++-----
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8 files changed, 14 insertions(+), 44 deletions(-)
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--- a/src/math/i386/asin.s
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+++ b/src/math/i386/asin.s
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@@ -7,13 +7,10 @@ asinf:
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cmp $0x01000000,%eax
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jae 1f
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# subnormal x, return x with underflow
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- fnstsw %ax
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- and $16,%ax
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- jnz 2f
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fld %st(0)
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fmul %st(1)
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fstps 4(%esp)
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-2: ret
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+ ret
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.global asinl
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.type asinl,@function
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@@ -30,11 +27,8 @@ asin:
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cmp $0x00200000,%eax
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jae 1f
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# subnormal x, return x with underflow
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- fnstsw %ax
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- and $16,%ax
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- jnz 2f
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fsts 4(%esp)
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-2: ret
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+ ret
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1: fld %st(0)
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fld1
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fsub %st(0),%st(1)
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--- a/src/math/i386/atan.s
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+++ b/src/math/i386/atan.s
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@@ -10,8 +10,5 @@ atan:
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fpatan
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ret
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# subnormal x, return x with underflow
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-1: fnstsw %ax
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- and $16,%ax
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- jnz 2f
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- fsts 4(%esp)
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-2: ret
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+1: fsts 4(%esp)
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+ ret
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--- a/src/math/i386/atan2.s
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+++ b/src/math/i386/atan2.s
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@@ -10,8 +10,5 @@ atan2:
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cmp $0x00200000,%eax
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jae 1f
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# subnormal x, return x with underflow
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- fnstsw %ax
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- and $16,%ax
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- jnz 1f
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fsts 4(%esp)
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-1: ret
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+ ret
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--- a/src/math/i386/atan2f.s
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+++ b/src/math/i386/atan2f.s
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@@ -10,10 +10,7 @@ atan2f:
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cmp $0x01000000,%eax
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jae 1f
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# subnormal x, return x with underflow
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- fnstsw %ax
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- and $16,%ax
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- jnz 1f
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fld %st(0)
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fmul %st(1)
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fstps 4(%esp)
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-1: ret
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+ ret
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--- a/src/math/i386/atanf.s
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+++ b/src/math/i386/atanf.s
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@@ -10,10 +10,7 @@ atanf:
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fpatan
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ret
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# subnormal x, return x with underflow
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-1: fnstsw %ax
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- and $16,%ax
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- jnz 2f
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- fld %st(0)
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+1: fld %st(0)
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fmul %st(1)
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fstps 4(%esp)
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-2: ret
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+ ret
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--- a/src/math/i386/exp.s
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+++ b/src/math/i386/exp.s
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@@ -7,13 +7,10 @@ expm1f:
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cmp $0x01000000,%eax
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jae 1f
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# subnormal x, return x with underflow
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- fnstsw %ax
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- and $16,%ax
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- jnz 2f
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fld %st(0)
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fmul %st(1)
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fstps 4(%esp)
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-2: ret
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+ ret
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.global expm1l
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.type expm1l,@function
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@@ -30,11 +27,8 @@ expm1:
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cmp $0x00200000,%eax
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jae 1f
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# subnormal x, return x with underflow
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- fnstsw %ax
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- and $16,%ax
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- jnz 2f
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fsts 4(%esp)
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-2: ret
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+ ret
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1: fldl2e
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fmulp
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mov $0xc2820000,%eax
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--- a/src/math/i386/log1p.s
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+++ b/src/math/i386/log1p.s
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@@ -16,9 +16,6 @@ log1p:
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fyl2x
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ret
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# subnormal x, return x with underflow
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-2: fnstsw %ax
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- and $16,%ax
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- jnz 1f
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- fsts 4(%esp)
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+2: fsts 4(%esp)
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fstp %st(1)
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-1: ret
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+ ret
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--- a/src/math/i386/log1pf.s
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+++ b/src/math/i386/log1pf.s
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@@ -16,10 +16,7 @@ log1pf:
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fyl2x
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ret
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# subnormal x, return x with underflow
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-2: fnstsw %ax
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- and $16,%ax
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- jnz 1f
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- fxch
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+2: fxch
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fmul %st(1)
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fstps 4(%esp)
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-1: ret
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+ ret
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@ -1,28 +0,0 @@
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From 6818c31c9bc4bbad5357f1de14bedf781e5b349e Mon Sep 17 00:00:00 2001
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From: Rich Felker <dalias@aerifal.cx>
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Date: Mon, 5 Aug 2019 19:57:07 -0400
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Subject: fix build regression in i386 asm for atan2, atan2f
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commit f3ed8bfe8a82af1870ddc8696ed4cc1d5aa6b441 inadvertently removed
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labels that were still needed.
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---
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src/math/i386/atan2.s | 2 +-
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src/math/i386/atan2f.s | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/src/math/i386/atan2.s
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+++ b/src/math/i386/atan2.s
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@@ -11,4 +11,4 @@ atan2:
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jae 1f
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# subnormal x, return x with underflow
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fsts 4(%esp)
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- ret
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+1: ret
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--- a/src/math/i386/atan2f.s
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+++ b/src/math/i386/atan2f.s
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@@ -13,4 +13,4 @@ atan2f:
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fld %st(0)
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fmul %st(1)
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fstps 4(%esp)
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- ret
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+1: ret
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@ -1,8 +1,8 @@
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--- a/include/glob.h
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+++ b/include/glob.h
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@@ -31,6 +31,8 @@ void globfree(glob_t *);
|
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#define GLOB_NOESCAPE 0x40
|
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#define GLOB_PERIOD 0x80
|
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@@ -34,6 +34,8 @@ void globfree(glob_t *);
|
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#define GLOB_TILDE 0x1000
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#define GLOB_TILDE_CHECK 0x4000
|
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+#define GLOB_ONLYDIR 0x100
|
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+
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|
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