From 84df7a4637be8ecb545df3501cc724f3a4d53c46 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 15 Nov 2019 18:36:58 +0100 Subject: hurd: Suppress GCC 10 -Warray-bounds warning in init-first.c [BZ #25097] The trampoline code should really be rewritten in assembler because this is all very undefined at the C level. Change-Id: Ided58244ca0ee48892519faac5ac222a4e02dec4 --- sysdeps/mach/hurd/i386/init-first.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'sysdeps/mach') diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/i386/init-first.c index f1f1c40389..5c21ebb958 100644 --- a/sysdeps/mach/hurd/i386/init-first.c +++ b/sysdeps/mach/hurd/i386/init-first.c @@ -30,6 +30,7 @@ #include #include +#include extern void __mach_init (void); extern void __init_misc (int, char **, char **); @@ -144,6 +145,12 @@ init1 (int argc, char *arg0, ...) static inline void init (int *data) { + /* data is the address of the argc parameter to _dl_init_first or + doinit1 in _hurd_stack_setup, so the array subscripts are + undefined. */ + DIAG_PUSH_NEEDS_COMMENT; + DIAG_IGNORE_NEEDS_COMMENT (10, "-Warray-bounds"); + int argc = *data; char **argv = (void *) (data + 1); char **envp = &argv[argc + 1]; @@ -265,6 +272,8 @@ init (int *data) restored by function return. */ asm volatile ("# a %0 c %1" : : "a" (usercode), "c" (&init1)); } + + DIAG_POP_NEEDS_COMMENT; /* -Warray-bounds. */ } /* These bits of inline assembler used to be located inside `init'. -- cgit 1.4.1