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Re: RFA: PR 68913: Provide weak version of __fread_chk for PR61886 test
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Nick Clifton <nickc at redhat dot com>
- Cc: Jeff Law <law at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Thu, 7 Jan 2016 18:41:59 +0100
- Subject: Re: RFA: PR 68913: Provide weak version of __fread_chk for PR61886 test
- Authentication-results: sourceware.org; auth=none
- References: <87egejk7mj dot fsf at redhat dot com> <56785A36 dot 60507 at redhat dot com> <56791DBB dot 3050800 at redhat dot com> <568C1777 dot 8070801 at redhat dot com> <568E6A14 dot 1030007 at redhat dot com> <568E8B94 dot 5030606 at redhat dot com> <568EA0E1 dot 6060801 at redhat dot com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Thu, Jan 07, 2016 at 05:31:13PM +0000, Nick Clifton wrote:
> -extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen, size_t
> __size, size_t __n, FILE *__restrict __stream) __asm__ ("" "__fread_chk")
> __attribute__ ((__warn_unused_result__));
> -extern size_t __fread_chk_warn (void *__restrict __ptr, size_t __ptrlen,
> size_t __size, size_t __n, FILE *__restrict __stream) __asm__ (""
> "__fread_chk") __attribute__ ((__warn_unused_result__))
> __attribute__((__warning__ ("fread called with bigger size * nmemb than
> length " "of destination buffer")));
> +extern size_t __malloc (void *__restrict __ptr, size_t __ptrlen, size_t
> __size, size_t __n, FILE *__restrict __stream) __asm__ ("") __attribute__
> ((__warn_unused_result__));
> +extern size_t __malloc_warn (void *__restrict __ptr, size_t __ptrlen,
> size_t __size, size_t __n, FILE *__restrict __stream) __asm__ ("")
The __asm__ ("") on both decls is very weird. The original had
"" "__fread_chk" aka "__fread_chk" instead.
But malloc really has also different arguments...
Jakub