Cleanup Makefile for consistency with other ones. Remove PKG_SSP. It can be fixed with -lssp_nonshared.
Add PKG_BUILD_PARALLEL for faster compilation. Add some alpine pathes to fix potential issues. Backport GCC 10 patch to fix compilation. Signed-off-by: Rosen Penev <ros...@gmail.com> --- package/libs/libunwind/Makefile | 15 +- ...03-fix-missing-ef_reg-defs-with-musl.patch | 2 +- .../patches/005-aarch64-sigset_t.patch | 21 + .../patches/006-fix-libunwind-pc-in.patch | 10 + .../libs/libunwind/patches/010-gcc10.patch | 442 ++++++++++++++++++ 5 files changed, 482 insertions(+), 8 deletions(-) create mode 100644 package/libs/libunwind/patches/005-aarch64-sigset_t.patch create mode 100644 package/libs/libunwind/patches/006-fix-libunwind-pc-in.patch create mode 100644 package/libs/libunwind/patches/010-gcc10.patch diff --git a/package/libs/libunwind/Makefile b/package/libs/libunwind/Makefile index 994ee97a17..b07bf9dfaa 100644 --- a/package/libs/libunwind/Makefile +++ b/package/libs/libunwind/Makefile @@ -9,22 +9,22 @@ include $(TOPDIR)/rules.mk PKG_NAME:=libunwind -PKG_VERSION:=1.3.1 +PKG_VERSION:=1.4.0 PKG_RELEASE:=1 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE_URL:=@SAVANNAH/$(PKG_NAME) -PKG_HASH:=43997a3939b6ccdf2f669b50fdb8a4d3205374728c2923ddc2354c65260214f8 -PKG_FIXUP:=autoreconf -PKG_INSTALL:=1 +PKG_HASH:=df59c931bd4d7ebfd83ee481c943edf015138089b8e50abed8d9c57ba9338435 +PKG_MAINTAINER:=Yousong Zhou <yszhou4t...@gmail.com> PKG_LICENSE:=X11 PKG_LICENSE_FILES:=LICENSE PKG_CPE_ID:=cpe:/a:libunwind_project:libunwind -PKG_MAINTAINER:=Yousong Zhou <yszhou4t...@gmail.com> +PKG_FIXUP:=autoreconf +PKG_INSTALL:=1 +PKG_BUILD_PARALLEL:=1 -PKG_SSP:=0 include $(INCLUDE_DIR)/package.mk define Package/libunwind @@ -43,8 +43,9 @@ endef CONFIGURE_ARGS += \ --disable-documentation \ --disable-tests \ - --enable-minidebuginfo=no \ + --disable-minidebuginfo +TARGET_LDFLAGS += $(if $(CONFIG_USE_MUSL),-lssp_nonshared) define Package/libunwind/install $(INSTALL_DIR) $(1)/usr/lib diff --git a/package/libs/libunwind/patches/003-fix-missing-ef_reg-defs-with-musl.patch b/package/libs/libunwind/patches/003-fix-missing-ef_reg-defs-with-musl.patch index 465abb4ce0..479004a27e 100644 --- a/package/libs/libunwind/patches/003-fix-missing-ef_reg-defs-with-musl.patch +++ b/package/libs/libunwind/patches/003-fix-missing-ef_reg-defs-with-musl.patch @@ -1,7 +1,7 @@ diff -uprN a/include/libunwind-mips.h b/include/libunwind-mips.h --- a/include/libunwind-mips.h 2012-10-06 12:54:38.000000000 +0800 +++ b/include/libunwind-mips.h 2016-06-08 13:55:55.029436442 +0800 -@@ -111,6 +111,42 @@ typedef enum +@@ -114,6 +114,42 @@ typedef enum } mips_regnum_t; diff --git a/package/libs/libunwind/patches/005-aarch64-sigset_t.patch b/package/libs/libunwind/patches/005-aarch64-sigset_t.patch new file mode 100644 index 0000000000..7abc61c41a --- /dev/null +++ b/package/libs/libunwind/patches/005-aarch64-sigset_t.patch @@ -0,0 +1,21 @@ +diff --git a/include/libunwind-aarch64.h b/include/libunwind-aarch64.h +index 778b436..926fbbc 100644 +--- a/include/libunwind-aarch64.h ++++ b/include/libunwind-aarch64.h +@@ -34,6 +34,7 @@ extern "C" { + #include <inttypes.h> + #include <stddef.h> + #include <ucontext.h> ++#include <signal.h> + + #define UNW_TARGET aarch64 + #define UNW_TARGET_AARCH64 1 +@@ -192,7 +193,7 @@ typedef struct + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; +- __sigset_t uc_sigmask; ++ sigset_t uc_sigmask; + struct unw_sigcontext uc_mcontext; + } unw_tdep_context_t; + diff --git a/package/libs/libunwind/patches/006-fix-libunwind-pc-in.patch b/package/libs/libunwind/patches/006-fix-libunwind-pc-in.patch new file mode 100644 index 0000000000..ce93df4fad --- /dev/null +++ b/package/libs/libunwind/patches/006-fix-libunwind-pc-in.patch @@ -0,0 +1,10 @@ +--- a/src/unwind/libunwind.pc.in ++++ b/src/unwind/libunwind.pc.in +@@ -6,6 +6,6 @@ + Name: libunwind + Description: libunwind base library + Version: @VERSION@ +-Libs: -L${libdir} -lunwind ++Libs: -L${libdir} -lunwind -lucontext + Libs.private: @LIBLZMA@ + Cflags: -I${includedir} diff --git a/package/libs/libunwind/patches/010-gcc10.patch b/package/libs/libunwind/patches/010-gcc10.patch new file mode 100644 index 0000000000..8b4801c175 --- /dev/null +++ b/package/libs/libunwind/patches/010-gcc10.patch @@ -0,0 +1,442 @@ +From 29e17d8d2ccbca07c423e3089a6d5ae8a1c9cb6e Mon Sep 17 00:00:00 2001 +From: Yichao Yu <yyc1...@gmail.com> +Date: Tue, 31 Mar 2020 00:43:32 -0400 +Subject: [PATCH] Fix compilation with -fno-common. + +Making all other archs consistent with IA64 which should not have this problem. +Also move the FIXME to the correct place. + +Also add some minimum comments about this... +--- + src/aarch64/Ginit.c | 15 +++++++-------- + src/arm/Ginit.c | 15 +++++++-------- + src/coredump/_UPT_get_dyn_info_list_addr.c | 5 +++++ + src/hppa/Ginit.c | 15 +++++++-------- + src/ia64/Ginit.c | 1 + + src/mi/Gfind_dynamic_proc_info.c | 1 + + src/mips/Ginit.c | 15 +++++++-------- + src/ppc32/Ginit.c | 11 +++++++---- + src/ppc64/Ginit.c | 11 +++++++---- + src/ptrace/_UPT_get_dyn_info_list_addr.c | 5 +++++ + src/s390x/Ginit.c | 15 +++++++-------- + src/sh/Ginit.c | 15 +++++++-------- + src/tilegx/Ginit.c | 15 +++++++-------- + src/x86/Ginit.c | 15 +++++++-------- + src/x86_64/Ginit.c | 15 +++++++-------- + 15 files changed, 89 insertions(+), 80 deletions(-) + +diff --git a/src/aarch64/Ginit.c b/src/aarch64/Ginit.c +index dec235c82..35389762f 100644 +--- a/src/aarch64/Ginit.c ++++ b/src/aarch64/Ginit.c +@@ -61,13 +61,6 @@ tdep_uc_addr (unw_tdep_context_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -78,7 +71,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/arm/Ginit.c b/src/arm/Ginit.c +index 2720d063a..0bac0d72d 100644 +--- a/src/arm/Ginit.c ++++ b/src/arm/Ginit.c +@@ -57,18 +57,17 @@ tdep_uc_addr (unw_tdep_context_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/coredump/_UPT_get_dyn_info_list_addr.c b/src/coredump/_UPT_get_dyn_info_list_addr.c +index 0d1190556..739ed0569 100644 +--- a/src/coredump/_UPT_get_dyn_info_list_addr.c ++++ b/src/coredump/_UPT_get_dyn_info_list_addr.c +@@ -74,6 +74,11 @@ get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, + + #else + ++/* XXX fix me: there is currently no way to locate the dyn-info list ++ by a remote unwinder. On ia64, this is done via a special ++ unwind-table entry. Perhaps something similar can be done with ++ DWARF2 unwind info. */ ++ + static inline int + get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, + int *countp) +diff --git a/src/hppa/Ginit.c b/src/hppa/Ginit.c +index 461e4b93d..265455a68 100644 +--- a/src/hppa/Ginit.c ++++ b/src/hppa/Ginit.c +@@ -64,13 +64,6 @@ _Uhppa_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -81,7 +74,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/ia64/Ginit.c b/src/ia64/Ginit.c +index b09a2ad57..8601bb3ca 100644 +--- a/src/ia64/Ginit.c ++++ b/src/ia64/Ginit.c +@@ -68,6 +68,7 @@ get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + if (!_U_dyn_info_list_addr) + return -UNW_ENOINFO; + #endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. + *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } +diff --git a/src/mi/Gfind_dynamic_proc_info.c b/src/mi/Gfind_dynamic_proc_info.c +index 98d350128..2e7c62e5e 100644 +--- a/src/mi/Gfind_dynamic_proc_info.c ++++ b/src/mi/Gfind_dynamic_proc_info.c +@@ -49,6 +49,7 @@ local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, + return -UNW_ENOINFO; + #endif + ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. + list = (unw_dyn_info_list_t *) (uintptr_t) _U_dyn_info_list_addr (); + for (di = list->first; di; di = di->next) + if (ip >= di->start_ip && ip < di->end_ip) +diff --git a/src/mips/Ginit.c b/src/mips/Ginit.c +index 3df170c75..bf7a8f5a8 100644 +--- a/src/mips/Ginit.c ++++ b/src/mips/Ginit.c +@@ -69,13 +69,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -86,7 +79,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) (intptr_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/ppc32/Ginit.c b/src/ppc32/Ginit.c +index ba302448a..7b4545580 100644 +--- a/src/ppc32/Ginit.c ++++ b/src/ppc32/Ginit.c +@@ -96,9 +96,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -109,7 +106,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/ppc64/Ginit.c b/src/ppc64/Ginit.c +index 4c88cd6e7..7bfb395a7 100644 +--- a/src/ppc64/Ginit.c ++++ b/src/ppc64/Ginit.c +@@ -95,9 +95,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -108,7 +105,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/ptrace/_UPT_get_dyn_info_list_addr.c b/src/ptrace/_UPT_get_dyn_info_list_addr.c +index cc5ed0441..16671d453 100644 +--- a/src/ptrace/_UPT_get_dyn_info_list_addr.c ++++ b/src/ptrace/_UPT_get_dyn_info_list_addr.c +@@ -71,6 +71,11 @@ get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, + + #else + ++/* XXX fix me: there is currently no way to locate the dyn-info list ++ by a remote unwinder. On ia64, this is done via a special ++ unwind-table entry. Perhaps something similar can be done with ++ DWARF2 unwind info. */ ++ + static inline int + get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, + int *countp) +diff --git a/src/s390x/Ginit.c b/src/s390x/Ginit.c +index f0886ac93..db01743c0 100644 +--- a/src/s390x/Ginit.c ++++ b/src/s390x/Ginit.c +@@ -50,8 +50,6 @@ static struct unw_addr_space local_addr_space; + + unw_addr_space_t unw_local_addr_space = &local_addr_space; + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- + static inline void * + uc_addr (ucontext_t *uc, int reg) + { +@@ -75,11 +73,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -90,7 +83,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/sh/Ginit.c b/src/sh/Ginit.c +index 52988a721..9fe96d2bd 100644 +--- a/src/sh/Ginit.c ++++ b/src/sh/Ginit.c +@@ -58,13 +58,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -75,7 +68,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/tilegx/Ginit.c b/src/tilegx/Ginit.c +index 7564a558b..925e64132 100644 +--- a/src/tilegx/Ginit.c ++++ b/src/tilegx/Ginit.c +@@ -64,13 +64,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -81,7 +74,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) (intptr_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/x86/Ginit.c b/src/x86/Ginit.c +index f6b8dc27d..3cec74a21 100644 +--- a/src/x86/Ginit.c ++++ b/src/x86/Ginit.c +@@ -54,13 +54,6 @@ tdep_uc_addr (ucontext_t *uc, int reg) + + # endif /* UNW_LOCAL_ONLY */ + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -71,7 +64,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + +diff --git a/src/x86_64/Ginit.c b/src/x86_64/Ginit.c +index a865d3385..fd8d418b1 100644 +--- a/src/x86_64/Ginit.c ++++ b/src/x86_64/Ginit.c +@@ -49,13 +49,6 @@ static struct unw_addr_space local_addr_space; + + unw_addr_space_t unw_local_addr_space = &local_addr_space; + +-HIDDEN unw_dyn_info_list_t _U_dyn_info_list; +- +-/* XXX fix me: there is currently no way to locate the dyn-info list +- by a remote unwinder. On ia64, this is done via a special +- unwind-table entry. Perhaps something similar can be done with +- DWARF2 unwind info. */ +- + static void + put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) + { +@@ -66,7 +59,13 @@ static int + get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) + { +- *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; ++#ifndef UNW_LOCAL_ONLY ++# pragma weak _U_dyn_info_list_addr ++ if (!_U_dyn_info_list_addr) ++ return -UNW_ENOINFO; ++#endif ++ // Access the `_U_dyn_info_list` from `LOCAL_ONLY` library, i.e. libunwind.so. ++ *dyn_info_list_addr = _U_dyn_info_list_addr (); + return 0; + } + -- 2.26.2 _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel