* ppc-gas: Add '+' and '-' to symbol chars list
@ 2003-04-24 10:21 Nick Clifton
2003-04-24 15:15 ` H. J. Lu
` (2 more replies)
0 siblings, 3 replies; 15+ messages in thread
From: Nick Clifton @ 2003-04-24 10:21 UTC (permalink / raw)
To: binutils
Hi Guys,
The recent patches to app.c have broken GAS for the PPC. This is
because the assembler is now stricter about deciding when it has
encountered a symbol and the PPC port can have opcodes which include
the '+' or '-' characters. (eg "blt-") This patch fixes this
problem by adding these characters to the ppc specific symbol list.
Cheers
Nick
2003-04-24 Nick Clifton <nickc@redhat.com>
* config/tc-ppc.c (ppc_symbol_chars): Define.
* config/tc-ppc.h (tc_symbol_chars): Define.
Index: gas/config/tc-ppc.c
===================================================================
RCS file: /cvs/src/src/gas/config/tc-ppc.c,v
retrieving revision 1.67
diff -c -3 -p -w -r1.67 tc-ppc.c
*** gas/config/tc-ppc.c 8 Apr 2003 23:01:47 -0000 1.67
--- gas/config/tc-ppc.c 24 Apr 2003 10:12:58 -0000
*************** const char EXP_CHARS[] = "eE";
*** 182,187 ****
--- 182,191 ----
/* Characters which mean that a number is a floating point constant,
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
+
+ /* '+' and '-' can be used as postfix predicate predictors for conditional
+ branches. So they need to be accepted as symbol characters. */
+ const char ppc_symbol_chars[] = "+-";
\f
/* The target specific pseudo-ops which we support. */
Index: gas/config/tc-ppc.h
===================================================================
RCS file: /cvs/src/src/gas/config/tc-ppc.h,v
retrieving revision 1.20
diff -c -3 -p -w -r1.20 tc-ppc.h
*** gas/config/tc-ppc.h 5 Sep 2002 00:01:18 -0000 1.20
--- gas/config/tc-ppc.h 24 Apr 2003 10:13:03 -0000
*************** do { \
*** 206,211 ****
--- 206,214 ----
#endif /* OBJ_XCOFF */
+ extern const char ppc_symbol_chars[];
+ #define tc_symbol_chars ppc_symbol_chars
+
#ifdef OBJ_ELF
/* Support for SHF_EXCLUDE and SHT_ORDERED */
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-24 10:21 ppc-gas: Add '+' and '-' to symbol chars list Nick Clifton
@ 2003-04-24 15:15 ` H. J. Lu
2003-04-24 17:03 ` Nick Clifton
2003-04-24 23:16 ` Alan Modra
2003-04-27 23:44 ` Alan Modra
2 siblings, 1 reply; 15+ messages in thread
From: H. J. Lu @ 2003-04-24 15:15 UTC (permalink / raw)
To: Nick Clifton; +Cc: binutils
On Thu, Apr 24, 2003 at 11:19:18AM +0100, Nick Clifton wrote:
> Hi Guys,
>
> The recent patches to app.c have broken GAS for the PPC. This is
> because the assembler is now stricter about deciding when it has
> encountered a symbol and the PPC port can have opcodes which include
> the '+' or '-' characters. (eg "blt-") This patch fixes this
> problem by adding these characters to the ppc specific symbol list.
>
Would you mind adding a testcase for that? "make check" passed for me
on pcc-linux.
Thanks.
H.J.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-24 15:15 ` H. J. Lu
@ 2003-04-24 17:03 ` Nick Clifton
0 siblings, 0 replies; 15+ messages in thread
From: Nick Clifton @ 2003-04-24 17:03 UTC (permalink / raw)
To: H. J. Lu; +Cc: binutils
Hi H.J.
> Would you mind adding a testcase for that? "make check" passed for
> me on pcc-linux.
Good idea. Applying the patch below.
Cheers
Nick
2003-04-24 Nick Clifton <nickc@redhat.com>
* gas/ppc/astest2.s: Add tests for conditional branches with
probability indicators.
* gas/ppc/astest2.d: Add expected disassembly.
Index: gas/testsuite/gas/ppc/astest2.s
===================================================================
RCS file: /cvs/src/src/gas/testsuite/gas/ppc/astest2.s,v
retrieving revision 1.1.1.1
diff -c -3 -p -w -r1.1.1.1 astest2.s
*** gas/testsuite/gas/ppc/astest2.s 3 May 1999 07:28:52 -0000 1.1.1.1
--- gas/testsuite/gas/ppc/astest2.s 24 Apr 2003 17:01:20 -0000
*************** y: .long 0
*** 50,52 ****
--- 50,67 ----
.type a,@function
.type b,@function
.type apfour,@function
+
+ .section ".text"
+ .L1:
+ nop
+ ble- 1,.L1
+ bgt- 2,.L1
+ ble+ 3,.L1
+ bgt+ 4,.L1
+ ble- 5,.L2
+ bgt- 6,.L2
+ ble+ 7,.L2
+ bgt+ 0,.L2
+ .L2:
+ nop:
+
Index: gas/testsuite/gas/ppc/astest2.d
===================================================================
RCS file: /cvs/src/src/gas/testsuite/gas/ppc/astest2.d,v
retrieving revision 1.2
diff -c -3 -p -w -r1.2 astest2.d
*** gas/testsuite/gas/ppc/astest2.d 22 Aug 2002 05:23:43 -0000 1.2
--- gas/testsuite/gas/ppc/astest2.d 24 Apr 2003 17:01:20 -0000
*************** Disassembly of section \.text:
*** 66,71 ****
--- 66,80 ----
88: 00 00 00 02 \.long 0x2
88: R_PPC_ADDR32 apfour\+0x2
8c: 00 00 00 00 \.long 0x0
+ 90: 60 00 00 00 nop
+ 94: 40 a5 ff fc ble- cr1,90 <apfour\+0x14>
+ 98: 41 a9 ff f8 bgt- cr2,90 <apfour\+0x14>
+ 9c: 40 8d ff f4 ble\+ cr3,90 <apfour\+0x14>
+ a0: 41 91 ff f0 bgt\+ cr4,90 <apfour\+0x14>
+ a4: 40 95 00 10 ble- cr5,b4 <nop>
+ a8: 41 99 00 0c bgt- cr6,b4 <nop>
+ ac: 40 bd 00 08 ble\+ cr7,b4 <nop>
+ b0: 41 a1 00 04 bgt\+ b4 <nop>
Disassembly of section \.data:
0+0000000 <x>:
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-24 10:21 ppc-gas: Add '+' and '-' to symbol chars list Nick Clifton
2003-04-24 15:15 ` H. J. Lu
@ 2003-04-24 23:16 ` Alan Modra
2003-04-27 23:44 ` Alan Modra
2 siblings, 0 replies; 15+ messages in thread
From: Alan Modra @ 2003-04-24 23:16 UTC (permalink / raw)
To: Nick Clifton; +Cc: binutils
On Thu, Apr 24, 2003 at 11:19:18AM +0100, Nick Clifton wrote:
> The recent patches to app.c have broken GAS for the PPC. This is
> because the assembler is now stricter about deciding when it has
A lot of this trouble would be avoided if app.c didn't eat whitespace
completely, as most of the do_scrub_chars states could disappear.
You'd need to tweak all the back-ends to accept spaces in operands
though. testsuite/gas/i386/white.s shows examples. Oh well..
--
Alan Modra
IBM OzLabs - Linux Technology Centre
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-24 10:21 ppc-gas: Add '+' and '-' to symbol chars list Nick Clifton
2003-04-24 15:15 ` H. J. Lu
2003-04-24 23:16 ` Alan Modra
@ 2003-04-27 23:44 ` Alan Modra
2003-04-28 4:24 ` H. J. Lu
2 siblings, 1 reply; 15+ messages in thread
From: Alan Modra @ 2003-04-27 23:44 UTC (permalink / raw)
To: Nick Clifton; +Cc: binutils
On Thu, Apr 24, 2003 at 11:19:18AM +0100, Nick Clifton wrote:
> The recent patches to app.c have broken GAS for the PPC. This is
It has also broken hppa. :-(
--
Alan Modra
IBM OzLabs - Linux Technology Centre
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-27 23:44 ` Alan Modra
@ 2003-04-28 4:24 ` H. J. Lu
2003-04-28 8:35 ` Nick Clifton
0 siblings, 1 reply; 15+ messages in thread
From: H. J. Lu @ 2003-04-28 4:24 UTC (permalink / raw)
To: Nick Clifton, binutils
On Mon, Apr 28, 2003 at 09:14:06AM +0930, Alan Modra wrote:
> On Thu, Apr 24, 2003 at 11:19:18AM +0100, Nick Clifton wrote:
> > The recent patches to app.c have broken GAS for the PPC. This is
>
> It has also broken hppa. :-(
>
This seems to work for me.
H.J.
---
2003-04-27 H.J. Lu <hjl@gnu.org>
* config/tc-hppa.c (hppa_symbol_chars): New.
* config/tc-hppa.h (tc_symbol_chars): Likewise.
--- gas/config/tc-hppa.c.symbol 2003-01-23 09:20:47.000000000 -0800
+++ gas/config/tc-hppa.c 2003-04-27 21:19:53.000000000 -0700
@@ -622,6 +622,9 @@ static struct call_desc last_call_desc;
/* handle of the OPCODE hash table */
static struct hash_control *op_hash = NULL;
+/* Those characters can be suffixes of opcode names. */
+const char hppa_symbol_chars[] = ",*!?=<>";
+
/* Table of pseudo ops for the PA. FIXME -- how many of these
are now redundant with the overall GAS and the object file
dependent tables? */
--- gas/config/tc-hppa.h.symbol 2003-02-27 11:27:09.000000000 -0800
+++ gas/config/tc-hppa.h 2003-04-27 21:10:43.000000000 -0700
@@ -106,6 +106,9 @@ extern void pa_check_eof PARAMS ((void))
#define tc_frob_label(sym) pa_define_label (sym)
+extern const char hppa_symbol_chars[];
+#define tc_symbol_chars hppa_symbol_chars
+
/* The PA does not need support for either of these. */
#define tc_crawl_symbol_chain(headers) {;}
#define tc_headers_hook(headers) {;}
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-28 4:24 ` H. J. Lu
@ 2003-04-28 8:35 ` Nick Clifton
2003-04-29 5:30 ` Alan Modra
0 siblings, 1 reply; 15+ messages in thread
From: Nick Clifton @ 2003-04-28 8:35 UTC (permalink / raw)
To: H. J. Lu; +Cc: binutils
Hi H.J.
> > It has also broken hppa. :-(
>
> This seems to work for me.
> 2003-04-27 H.J. Lu <hjl@gnu.org>
>
> * config/tc-hppa.c (hppa_symbol_chars): New.
> * config/tc-hppa.h (tc_symbol_chars): Likewise.
Indeed it does. I have applied your patch to mainline and the branch.
Cheers
Nick
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-28 8:35 ` Nick Clifton
@ 2003-04-29 5:30 ` Alan Modra
2003-04-29 11:55 ` Nick Clifton
0 siblings, 1 reply; 15+ messages in thread
From: Alan Modra @ 2003-04-29 5:30 UTC (permalink / raw)
To: Nick Clifton; +Cc: H. J. Lu, binutils
On Mon, Apr 28, 2003 at 09:32:41AM +0100, Nick Clifton wrote:
> Hi H.J.
>
> > > It has also broken hppa. :-(
> >
> > This seems to work for me.
>
> > 2003-04-27 H.J. Lu <hjl@gnu.org>
> >
> > * config/tc-hppa.c (hppa_symbol_chars): New.
> > * config/tc-hppa.h (tc_symbol_chars): Likewise.
>
> Indeed it does. I have applied your patch to mainline and the branch.
It's still broken.
$ cat xxx.s
.data
.type x,@object
.size x,4
x:
.word 12
.symver x, x@VERS.0
$ gas/as-new xxx.s
xxx.s: Assembler messages:
xxx.s:6: Error: missing version name in `' for symbol `x'
xxx.s:6: Warning: rest of line ignored; first ignored character is ` '
--
Alan Modra
IBM OzLabs - Linux Technology Centre
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-29 5:30 ` Alan Modra
@ 2003-04-29 11:55 ` Nick Clifton
2003-04-29 16:06 ` H. J. Lu
0 siblings, 1 reply; 15+ messages in thread
From: Nick Clifton @ 2003-04-29 11:55 UTC (permalink / raw)
To: Alan Modra; +Cc: H. J. Lu, binutils
Hi Alan,
> It's still broken.
>
> $ cat xxx.s
> .data
> .type x,@object
> .size x,4
> x:
> .word 12
> .symver x, x@VERS.0
> $ gas/as-new xxx.s
> xxx.s: Assembler messages:
> xxx.s:6: Error: missing version name in `' for symbol `x'
> xxx.s:6: Warning: rest of line ignored; first ignored character is ` '
The patch below takes care of this problem.
It does raise an issue though - are there other places where we need
to insert a SKIP_WHITESPACE ?
I ma also including an addition to the testsuite to check for this
bug. I will check the patches into the branch as well.
Cheers
Nick
gas/ChangeLog
2003-04-29 Nick Clifton <nickc@redhat.com>
* config/obj-elf.c (obj_elf_symver): Skip whitespace before the
start of a version name.
gas/testsuite/ChangeLog
2003-04-29 Nick Clifton <nickc@redhat.com>
* gas/elf/elf.exp: Invoke symver test.
* gas/elf/symver.s: New test case.
* gas/elf/symver.d: Expected output.
Index: gas/config/obj-elf.c
===================================================================
RCS file: /cvs/src/src/gas/config/obj-elf.c,v
retrieving revision 1.62
diff -c -3 -p -w -r1.62 obj-elf.c
*** gas/config/obj-elf.c 4 Feb 2003 12:34:08 -0000 1.62
--- gas/config/obj-elf.c 29 Apr 2003 10:53:34 -0000
*************** obj_elf_symver (ignore)
*** 1269,1274 ****
--- 1269,1275 ----
}
++input_line_pointer;
+ SKIP_WHITESPACE ();
name = input_line_pointer;
/* Temporarily include '@' in symbol names. */
Index: testsuite/gas/elf/elf.exp
===================================================================
RCS file: /cvs/src/src/gas/testsuite/gas/elf/elf.exp,v
retrieving revision 1.15
diff -c -3 -p -w -r1.15 elf.exp
*** testsuite/gas/elf/elf.exp 25 Mar 2003 20:55:59 -0000 1.15
--- testsuite/gas/elf/elf.exp 29 Apr 2003 11:48:22 -0000
*************** if { ([istarget "*-*-elf*"]
*** 53,56 ****
--- 53,57 ----
run_dump_test "section0"
run_dump_test "section1"
run_list_test "section2" "$target_machine" "-al"
+ run_dump_test "symver"
}
*** /dev/null Thu Jan 30 10:24:37 2003
--- testsuite/gas/elf/symver.s Tue Apr 29 11:53:03 2003
***************
*** 0 ****
--- 1,6 ----
+ .data
+ .type x,@object
+ .size x,4
+ x:
+ .word 12
+ .symver x, x@VERS.0
*** /dev/null Thu Jan 30 10:24:37 2003
--- testsuite/gas/elf/symver.d Tue Apr 29 12:37:44 2003
***************
*** 0 ****
--- 1,17 ----
+ #objdump: --syms
+ #name: ELF symbol versioning
+ #
+ # The #... and #pass are there to match extra symbols inserted by
+ # some toolchains, eg the mips-elf port will add .reginfo and .ptrd
+
+ dump.o: file format .*
+
+ SYMBOL TABLE:
+
+ 0+000 l.*d.*\.text.*0+000.*
+ 0+000 l.*d.*\.data.*0+000.*
+ 0+000 l.*d.*\.bss.*0+000.*
+ #...
+ 0+000 l.*O.*\.data.*0+004 x
+ 0+000 l.*O.*\.data.*0+004 x@VERS\.0
+ #pass
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-29 11:55 ` Nick Clifton
@ 2003-04-29 16:06 ` H. J. Lu
2003-04-29 23:33 ` Alan Modra
0 siblings, 1 reply; 15+ messages in thread
From: H. J. Lu @ 2003-04-29 16:06 UTC (permalink / raw)
To: Nick Clifton; +Cc: Alan Modra, binutils
On Tue, Apr 29, 2003 at 12:51:41PM +0100, Nick Clifton wrote:
> Hi Alan,
>
> > It's still broken.
> >
> > $ cat xxx.s
> > .data
> > .type x,@object
> > .size x,4
> > x:
> > .word 12
> > .symver x, x@VERS.0
> > $ gas/as-new xxx.s
> > xxx.s: Assembler messages:
> > xxx.s:6: Error: missing version name in `' for symbol `x'
> > xxx.s:6: Warning: rest of line ignored; first ignored character is ` '
>
> The patch below takes care of this problem.
>
> It does raise an issue though - are there other places where we need
> to insert a SKIP_WHITESPACE ?
>
We will know when someone complains :-(.
H.J.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-29 16:06 ` H. J. Lu
@ 2003-04-29 23:33 ` Alan Modra
2003-04-30 0:39 ` Daniel Jacobowitz
0 siblings, 1 reply; 15+ messages in thread
From: Alan Modra @ 2003-04-29 23:33 UTC (permalink / raw)
To: H. J. Lu; +Cc: Nick Clifton, binutils
On Tue, Apr 29, 2003 at 09:06:14AM -0700, H. J. Lu wrote:
> On Tue, Apr 29, 2003 at 12:51:41PM +0100, Nick Clifton wrote:
> > It does raise an issue though - are there other places where we need
> > to insert a SKIP_WHITESPACE ?
Probably. Since `,' was added to tc_symbol_chars for hppa, every
place we look for a comma should be checked.
> We will know when someone complains :-(.
I think the original and follow on patches should be reverted for the
release, or only enabled for ia64.
--
Alan Modra
IBM OzLabs - Linux Technology Centre
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-29 23:33 ` Alan Modra
@ 2003-04-30 0:39 ` Daniel Jacobowitz
2003-04-30 4:55 ` H. J. Lu
2003-04-30 8:51 ` Nick Clifton
0 siblings, 2 replies; 15+ messages in thread
From: Daniel Jacobowitz @ 2003-04-30 0:39 UTC (permalink / raw)
To: H. J. Lu, Nick Clifton, binutils
On Wed, Apr 30, 2003 at 09:02:58AM +0930, Alan Modra wrote:
> On Tue, Apr 29, 2003 at 09:06:14AM -0700, H. J. Lu wrote:
> > On Tue, Apr 29, 2003 at 12:51:41PM +0100, Nick Clifton wrote:
> > > It does raise an issue though - are there other places where we need
> > > to insert a SKIP_WHITESPACE ?
>
> Probably. Since `,' was added to tc_symbol_chars for hppa, every
> place we look for a comma should be checked.
>
> > We will know when someone complains :-(.
>
> I think the original and follow on patches should be reverted for the
> release, or only enabled for ia64.
I agree. Would one of you mind doing this?
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-30 0:39 ` Daniel Jacobowitz
@ 2003-04-30 4:55 ` H. J. Lu
2003-04-30 8:46 ` Alan Modra
2003-04-30 8:51 ` Nick Clifton
1 sibling, 1 reply; 15+ messages in thread
From: H. J. Lu @ 2003-04-30 4:55 UTC (permalink / raw)
To: Nick Clifton, binutils
On Tue, Apr 29, 2003 at 08:39:20PM -0400, Daniel Jacobowitz wrote:
> On Wed, Apr 30, 2003 at 09:02:58AM +0930, Alan Modra wrote:
> > On Tue, Apr 29, 2003 at 09:06:14AM -0700, H. J. Lu wrote:
> > > On Tue, Apr 29, 2003 at 12:51:41PM +0100, Nick Clifton wrote:
> > > > It does raise an issue though - are there other places where we need
> > > > to insert a SKIP_WHITESPACE ?
> >
> > Probably. Since `,' was added to tc_symbol_chars for hppa, every
> > place we look for a comma should be checked.
> >
> > > We will know when someone complains :-(.
> >
> > I think the original and follow on patches should be reverted for the
> > release, or only enabled for ia64.
>
> I agree. Would one of you mind doing this?
>
Don't worry about ia64. You can back out all those patches. I found
more obscure ia64 bugs. I will fix them on mainline.
H.J.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-30 4:55 ` H. J. Lu
@ 2003-04-30 8:46 ` Alan Modra
0 siblings, 0 replies; 15+ messages in thread
From: Alan Modra @ 2003-04-30 8:46 UTC (permalink / raw)
To: H. J. Lu; +Cc: Nick Clifton, binutils
On Tue, Apr 29, 2003 at 09:55:14PM -0700, H. J. Lu wrote:
> On Tue, Apr 29, 2003 at 08:39:20PM -0400, Daniel Jacobowitz wrote:
> > On Wed, Apr 30, 2003 at 09:02:58AM +0930, Alan Modra wrote:
> > > I think the original and follow on patches should be reverted for the
> > > release, or only enabled for ia64.
> >
> > I agree. Would one of you mind doing this?
>
> Don't worry about ia64. You can back out all those patches. I found
> more obscure ia64 bugs. I will fix them on mainline.
Done.
--
Alan Modra
IBM OzLabs - Linux Technology Centre
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: ppc-gas: Add '+' and '-' to symbol chars list
2003-04-30 0:39 ` Daniel Jacobowitz
2003-04-30 4:55 ` H. J. Lu
@ 2003-04-30 8:51 ` Nick Clifton
1 sibling, 0 replies; 15+ messages in thread
From: Nick Clifton @ 2003-04-30 8:51 UTC (permalink / raw)
To: Daniel Jacobowitz; +Cc: H. J. Lu, binutils
Hi Daniel,
> > I think the original and follow on patches should be reverted for the
> > release, or only enabled for ia64.
>
> I agree. Would one of you mind doing this?
Alan beat me to it :-)
Cheers
Nick
^ permalink raw reply [flat|nested] 15+ messages in thread
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2003-04-24 10:21 ppc-gas: Add '+' and '-' to symbol chars list Nick Clifton
2003-04-24 15:15 ` H. J. Lu
2003-04-24 17:03 ` Nick Clifton
2003-04-24 23:16 ` Alan Modra
2003-04-27 23:44 ` Alan Modra
2003-04-28 4:24 ` H. J. Lu
2003-04-28 8:35 ` Nick Clifton
2003-04-29 5:30 ` Alan Modra
2003-04-29 11:55 ` Nick Clifton
2003-04-29 16:06 ` H. J. Lu
2003-04-29 23:33 ` Alan Modra
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