diff options
Diffstat (limited to 'meta/recipes-support/libunwind/libunwind/0003-x86-Stub-out-x86_local_resume.patch')
-rw-r--r-- | meta/recipes-support/libunwind/libunwind/0003-x86-Stub-out-x86_local_resume.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/meta/recipes-support/libunwind/libunwind/0003-x86-Stub-out-x86_local_resume.patch b/meta/recipes-support/libunwind/libunwind/0003-x86-Stub-out-x86_local_resume.patch deleted file mode 100644 index 508ed6af38..0000000000 --- a/meta/recipes-support/libunwind/libunwind/0003-x86-Stub-out-x86_local_resume.patch +++ /dev/null @@ -1,54 +0,0 @@ -From f6866b9e4a6341c50eb1d923dbf48eca2ca40140 Mon Sep 17 00:00:00 2001 -From: Khem Raj <raj.khem@gmail.com> -Date: Tue, 22 Mar 2016 16:19:29 +0000 -Subject: [PATCH 3/6] x86: Stub out x86_local_resume() - -its purpose seems -to be unwinding across signal handler boundaries, which cannot happen -in correct programs anyway. Replacing the whole function with -something like *(volatile char *)0=0; (i.e. crash), gets a working -libunwind - -Upstream-Status: Pending -Signed-off-by: Khem Raj <raj.khem@gmail.com> - ---- - src/x86/Gos-linux.c | 22 +--------------------- - 1 file changed, 1 insertion(+), 21 deletions(-) - -diff --git a/src/x86/Gos-linux.c b/src/x86/Gos-linux.c -index fb9a5e3..c25ae0c 100644 ---- a/src/x86/Gos-linux.c -+++ b/src/x86/Gos-linux.c -@@ -284,27 +284,7 @@ x86_r_uc_addr (ucontext_t *uc, int reg) - HIDDEN int - x86_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) - { -- struct cursor *c = (struct cursor *) cursor; -- ucontext_t *uc = c->uc; -- -- /* Ensure c->pi is up-to-date. On x86, it's relatively common to be -- missing DWARF unwind info. We don't want to fail in that case, -- because the frame-chain still would let us do a backtrace at -- least. */ -- dwarf_make_proc_info (&c->dwarf); -- -- if (unlikely (c->sigcontext_format != X86_SCF_NONE)) -- { -- struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; -- -- Debug (8, "resuming at ip=%x via sigreturn(%p)\n", c->dwarf.ip, sc); -- x86_sigreturn (sc); -- } -- else -- { -- Debug (8, "resuming at ip=%x via setcontext()\n", c->dwarf.ip); -- setcontext (uc); -- } -+ *(volatile char *)0=0; - return -UNW_EINVAL; - } - --- -2.20.1 - |