Date: Thu, 23 Mar 2000 23:47:27 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Chad David <davidc@acns.ab.ca>, freebsd-hackers@FreeBSD.ORG Subject: Re: vm_await() Message-ID: <200003240747.XAA09124@apollo.backplane.com> References: <Pine.BSF.4.21.0003240045150.12954-100000@lodge.guild.ab.ca> <200003240744.XAA09084@apollo.backplane.com>
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::to return. Unless I am wrong, "string", is an automatic variable, and
::when the current function returns it is no longer vaild.
::
::With tsleep() this would never be a problem as tsleep() blocks.
::
::Chad
:
: No. "string" is a 'const char *' -- it is global read-only data.
: It is most certainly not an automatic function variable.
:
: -Matt
I will clarify:
void
blah(void)
{
fubar("abcdefgh");
}
.file "x.c"
.version "01.01"
gcc2_compiled.:
.section .rodata <------- read only global data
.LC0:
.ascii "abcdefgh\0" <------- string physically here
.text
.p2align 2,0x90
.globl blah
.type blah,@function
blah:
pushl %ebp
movl %esp,%ebp
subl $8,%esp
addl $-12,%esp
pushl $.LC0
call fubar
addl $16,%esp
.L2:
leave
ret
.Lfe1:
.size blah,.Lfe1-blah
.ident "GCC: (GNU) 2.95.2 19991024 (release)"
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