vger 2.2.10 compile failures

vger 2.2.10 compile failures

[Benjamin Herrenschmidt]

On Fri, Jul 23, 1999, Benjamin Herrenschmidt <bh40@calva.net> wrote:

>I'm getting link errors when compiling today's vger 2.2.10 with xmon support
>enabled:
>
>arch/ppc/xmon/x.o: In function `backtrace':
>arch/ppc/xmon/x.o(.text+0x129e): undefined reference to `ret_from_int'
>arch/ppc/xmon/x.o(.text+0x12a2): undefined reference to `ret_from_syscall_1'
>arch/ppc/xmon/x.o(.text+0x12a6): undefined reference to `ret_from_int'
>arch/ppc/xmon/x.o(.text+0x12aa): undefined reference to `ret_from_syscall_1'
>arch/ppc/xmon/x.o(.text+0x12ae): undefined reference to `ret_from_syscall_2'
>arch/ppc/xmon/x.o(.text+0x12b6): undefined reference to `ret_from_syscall_2'
>
>Apparently, the name of those symbols changed, I'll try to fix xmon here, but
>maybe someone already did it (Paul ?)

BTW. Here's the patch (it compiles, I beleive it works too but I didn't
test xmon yet):

diff -uNr linux.orig/arch/ppc/xmon/xmon.c linux/arch/ppc/xmon/xmon.c
--- linux.orig/arch/ppc/xmon/xmon.c     Thu Jul 22 22:12:16 1999
+++ linux/arch/ppc/xmon/xmon.c  Fri Jul 23 14:49:39 1999
@@ -472,7 +472,7 @@
        unsigned sp;
        unsigned stack[2];
        struct pt_regs regs;
-       extern char ret_from_int, ret_from_syscall_1, ret_from_syscall_2;
+       extern char int_return, syscall_ret_1, syscall_ret_2;
        extern char lost_irq_ret, do_bottom_half_ret, do_signal_ret;
 
        if (excp != NULL)
@@ -485,9 +485,9 @@
                if (mread(sp, stack, sizeof(stack)) != sizeof(stack))
                        break;
                printf("%x ", stack[1]);
-               if (stack[1] == (unsigned) &ret_from_int
-                   || stack[1] == (unsigned) &ret_from_syscall_1
-                   || stack[1] == (unsigned) &ret_from_syscall_2
+               if (stack[1] == (unsigned) &int_return
+                   || stack[1] == (unsigned) &syscall_ret_1
+                   || stack[1] == (unsigned) &syscall_ret_2
                    || stack[1] == (unsigned) &lost_irq_ret
                    || stack[1] == (unsigned) &do_bottom_half_ret
                    || stack[1] == (unsigned) &do_signal_ret) {


-- 
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           Work   e-mail: <mailto:benh@mipsys.com>
BenH.      Web   : <http://calvaweb.calvacom.fr/bh40/>




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vger 2.2.10 compile failures

[Benjamin Herrenschmidt]

I'm getting link errors when compiling today's vger 2.2.10 with xmon
support enabled:

arch/ppc/xmon/x.o: In function `backtrace':
arch/ppc/xmon/x.o(.text+0x129e): undefined reference to `ret_from_int'
arch/ppc/xmon/x.o(.text+0x12a2): undefined reference to `ret_from_syscall_1'
arch/ppc/xmon/x.o(.text+0x12a6): undefined reference to `ret_from_int'
arch/ppc/xmon/x.o(.text+0x12aa): undefined reference to `ret_from_syscall_1'
arch/ppc/xmon/x.o(.text+0x12ae): undefined reference to `ret_from_syscall_2'
arch/ppc/xmon/x.o(.text+0x12b6): undefined reference to `ret_from_syscall_2'

Apparently, the name of those symbols changed, I'll try to fix xmon here,
but maybe someone already did it (Paul ?)

-- 
           Perso. e-mail: <mailto:bh40@calva.net>
           Work   e-mail: <mailto:benh@mipsys.com>
BenH.      Web   : <http://calvaweb.calvacom.fr/bh40/>




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Re: vger 2.2.10 compile failures

[Paul Mackerras]

Benjamin Herrenschmidt <bh40@calva.net> wrote:

> I'm getting link errors when compiling today's vger 2.2.10 with xmon
> support enabled:
> 
> arch/ppc/xmon/x.o: In function `backtrace':
> arch/ppc/xmon/x.o(.text+0x129e): undefined reference to `ret_from_int'

I got tricked by cvs about this, maybe you have too.  I had a stable
(linux_2_2) cvs tree, and when I did `cvs update -dP', I got an xmon
directory, but it was the xmon from the head of the tree, i.e. the
devel branch.  I should have been doing `cvs update -dP -rlinux_2_2',
of course.  If you do that it should give you the xmon from the stable
branch (which didn't actually exist until yesterday, but now has the
xmon.c with the correct contents).

Paul.

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