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| author | Florian Weimer <fweimer@redhat.com> | 2019-11-15 18:36:58 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2019-11-16 15:40:59 +0100 |
| commit | 84df7a4637be8ecb545df3501cc724f3a4d53c46 (patch) | |
| tree | 4be73f750ed8c327522a0a14c89137a9f590aa09 | |
| parent | 9e3e27c4e32c02e93d9779e41356adfb357957e3 (diff) | |
| download | glibc-84df7a4637be8ecb545df3501cc724f3a4d53c46.zip glibc-84df7a4637be8ecb545df3501cc724f3a4d53c46.tar.gz glibc-84df7a4637be8ecb545df3501cc724f3a4d53c46.tar.bz2 | |
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
| -rw-r--r-- | sysdeps/mach/hurd/i386/init-first.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/i386/init-first.c index f1f1c40..5c21ebb 100644 --- a/sysdeps/mach/hurd/i386/init-first.c +++ b/sysdeps/mach/hurd/i386/init-first.c @@ -30,6 +30,7 @@ #include <ldsodefs.h> #include <fpu_control.h> +#include <libc-diag.h> 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'. |