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* elf32-spu.c (spu_elf_auto_overlay): Insert icache linker script
	after .toe instead of before .text section.  Set the LMA of all
	overlay sections to their icache IA address.
	(spu_elf_find_overlays): Determine icache set id without reference
	to the LMA.

ld/testsuite/
	* ld-spu/icache1.d: Update to new section layout.
This commit is contained in:
Ulrich Weigand
2009-10-01 13:09:56 +00:00
parent 4ded9dda7c
commit 64028ad7de
4 changed files with 140 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2009-10-01 Ulrich Weigand <uweigand@de.ibm.com>
* elf32-spu.c (spu_elf_auto_overlay): Insert icache linker script
after .toe instead of before .text section. Set the LMA of all
overlay sections to their icache IA address.
(spu_elf_find_overlays): Determine icache set id without reference
to the LMA.
2009-09-30 Tristan Gingold <gingold@adacore.com>
* configure.com: Use hosts/alphavms.h on both alpha and ia64 VMS.

36
bfd/elf32-spu.c
View File

@ -678,9 +678,10 @@ spu_elf_find_overlays (struct bfd_link_info *info)
ovl_end = alloc_sec[0]->vma + alloc_sec[0]->size;
if (htab->params->ovly_flavour == ovly_soft_icache)
{
unsigned int prev_buf = 0, set_id = 0;
/* Look for an overlapping vma to find the first overlay section. */
bfd_vma vma_start = 0;
bfd_vma lma_start = 0;
for (i = 1; i < n; i++)
{
@ -689,10 +690,6 @@ spu_elf_find_overlays (struct bfd_link_info *info)
{
asection *s0 = alloc_sec[i - 1];
vma_start = s0->vma;
if (strncmp (s0->name, ".ovl.init", 9) != 0)
lma_start = s0->lma;
else
lma_start = s->lma;
ovl_end = (s0->vma
+ ((bfd_vma) 1
<< (htab->num_lines_log2 + htab->line_size_log2)));
@ -717,8 +714,10 @@ spu_elf_find_overlays (struct bfd_link_info *info)
if (strncmp (s->name, ".ovl.init", 9) != 0)
{
num_buf = ((s->vma - vma_start) >> htab->line_size_log2) + 1;
if (((s->vma - vma_start) & (htab->params->line_size - 1))
|| ((s->lma - lma_start) & (htab->params->line_size - 1)))
set_id = (num_buf == prev_buf)? set_id + 1 : 0;
prev_buf = num_buf;
if ((s->vma - vma_start) & (htab->params->line_size - 1))
{
info->callbacks->einfo (_("%X%P: overlay section %A "
"does not start on a cache line.\n"),
@ -737,7 +736,7 @@ spu_elf_find_overlays (struct bfd_link_info *info)
alloc_sec[ovl_index++] = s;
spu_elf_section_data (s)->u.o.ovl_index
= ((s->lma - lma_start) >> htab->line_size_log2) + 1;
= (set_id << htab->num_lines_log2) + num_buf;
spu_elf_section_data (s)->u.o.ovl_buf = num_buf;
}
}
@ -4531,13 +4530,12 @@ spu_elf_auto_overlay (struct bfd_link_info *info)
script = htab->params->spu_elf_open_overlay_script ();
if (fprintf (script, "SECTIONS\n{\n") <= 0)
goto file_err;
if (htab->params->ovly_flavour == ovly_soft_icache)
{
if (fprintf (script, "SECTIONS\n{\n") <= 0)
goto file_err;
if (fprintf (script,
" .data.icache ALIGN (16) : { *(.ovtab) *(.data.icache) }\n"
" . = ALIGN (%u);\n"
" .ovl.init : { *(.ovl.init) }\n"
" . = ABSOLUTE (ADDR (.ovl.init));\n",
@ -4552,10 +4550,10 @@ spu_elf_auto_overlay (struct bfd_link_info *info)
unsigned int vma, lma;
vma = (indx & (htab->params->num_lines - 1)) << htab->line_size_log2;
lma = indx << htab->line_size_log2;
lma = vma + (((indx >> htab->num_lines_log2) + 1) << 18);
if (fprintf (script, " .ovly%u ABSOLUTE (ADDR (.ovl.init)) + %u "
": AT (ALIGN (LOADADDR (.ovl.init) + SIZEOF (.ovl.init), 16) + %u) {\n",
": AT (LOADADDR (.ovl.init) + %u) {\n",
ovlynum, vma, lma) <= 0)
goto file_err;
@ -4573,9 +4571,15 @@ spu_elf_auto_overlay (struct bfd_link_info *info)
if (fprintf (script, " . = ABSOLUTE (ADDR (.ovl.init)) + %u;\n",
1 << (htab->num_lines_log2 + htab->line_size_log2)) <= 0)
goto file_err;
if (fprintf (script, "}\nINSERT AFTER .toe;\n") <= 0)
goto file_err;
}
else
{
if (fprintf (script, "SECTIONS\n{\n") <= 0)
goto file_err;
if (fprintf (script,
" . = ALIGN (16);\n"
" .ovl.init : { *(.ovl.init) }\n"
@ -4627,13 +4631,13 @@ spu_elf_auto_overlay (struct bfd_link_info *info)
goto file_err;
}
if (fprintf (script, "}\nINSERT BEFORE .text;\n") <= 0)
goto file_err;
}
free (ovly_map);
free (ovly_sections);
if (fprintf (script, "}\nINSERT BEFORE .text;\n") <= 0)
goto file_err;
if (fclose (script) != 0)
goto file_err;

4
ld/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2009-10-01 Ulrich Weigand <uweigand@de.ibm.com>
* ld-spu/icache1.d: Update to new section layout.
2009-09-24 H.J. Lu <hongjiu.lu@intel.com>
PR ld/10630

195
ld/testsuite/ld-spu/icache1.d
View File

@ -5,15 +5,51 @@
.* elf32-spu
Disassembly of section .ovl.init:
00000000 <__icache_fileoff>:
Disassembly of section \.text:
00000000 <_start>:
.* 41 00 02 03 ilhu \$3,4
.* 60 88 00 03 iohl \$3,4096 # 1000
.* 32 00 03 80 br 24.*
0000000c <__icache_br_handler>:
c: 00 00 00 00 stop
00000010 <__icache_call_handler>:
\.\.\.
20: 00 04 08 00.*
24: 31 00 02 4b brasl \$75,10 <__icache_call_handler>
28: a0 00 00 08.*
2c: 00 00 fc 80.*
\.\.\.
Disassembly of section \.data:
.* <.data>:
.* 00 04 08 00 .*
.* 00 04 0d 04 .*
.* 00 04 0c 00 .*
.* 00 08 10 00 .*
Disassembly of section \.bss:
.* <__icache_tag_array>:
\.\.\.
.* <__icache_rewrite_to>:
\.\.\.
.* <__icache_rewrite_from>:
\.\.\.
Disassembly of section \.ovl\.init:
00000400 <__icache_fileoff>:
.* 00 00 00 00.*
.* 00 00 02 00.*
\.\.\.
Disassembly of section \.ovly1:
00000000 <\.ovly1>:
00000400 <\.ovly1>:
.* ai \$1,\$1,64 # 40
.* lqd \$0,16\(\$1\)
.* bi \$0
@ -21,36 +57,36 @@ Disassembly of section \.ovly1:
Disassembly of section \.ovly2:
00000400 <f1>:
00000800 <f1>:
.* 40 20 00 00 nop \$0
.* 24 00 40 80 stqd \$0,16\(\$1\)
.* 1c f0 00 81 ai \$1,\$1,-64
.* 24 00 00 81 stqd \$1,0\(\$1\)
.* 33 00 78 80 brsl \$0,7d4 .*
.* 33 00 7a 00 brsl \$0,7e4 .*
.* 33 00 78 80 brsl \$0,bd4 .*
.* 33 00 7a 00 brsl \$0,be4 .*
\.\.\.
.* 32 00 17 80 br 7f4 .*
.* 32 00 17 80 br bf4 .*
\.\.\.
7d0: 00 04 09 04.*
7d4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
7d8: a0 00 04 10.*
7dc: 00 00 e6 00.*
7e0: 00 04 08 00.*
7e4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
7e8: a0 00 04 14.*
7ec: 00 00 07 80.*
7f0: 00 04 00 00.*
7f4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
7f8: 20 00 07 38.*
7fc: 00 7f 0e 80.*
bd0: 00 04 0d 04.*
bd4: 31 00 01 cb brasl \$75,c .*
bd8: a0 00 08 10.*
bdc: 00 00 e6 00.*
be0: 00 04 0c 00.*
be4: 31 00 01 cb brasl \$75,c .*
be8: a0 00 08 14.*
bec: 00 00 07 80.*
bf0: 00 04 04 00.*
bf4: 31 00 01 cb brasl \$75,c .*
bf8: 20 00 0b 38.*
bfc: 00 7f 0e 80.*
Disassembly of section \.ovly3:
00000800 <f3>:
00000c00 <f3>:
\.\.\.
.* 35 00 00 00 bi \$0
00000904 <f2>:
00000d04 <f2>:
.* 1c e0 00 81 ai \$1,\$1,-128
.* 24 00 00 81 stqd \$1,0\(\$1\)
\.\.\.
@ -60,11 +96,11 @@ Disassembly of section \.ovly3:
Disassembly of section \.ovly4:
00000c00 <f5>:
00001000 <f5>:
.* 24 00 40 80 stqd \$0,16\(\$1\)
.* 24 f8 00 81 stqd \$1,-512\(\$1\)
.* 1c 80 00 81 ai \$1,\$1,-512
.* 33 7f fe 80 brsl \$0,c00 <f5> # c00
.* 33 7f fe 80 brsl \$0,1000 <f5> # 1000
\.\.\.
.* 42 01 00 03 ila \$3,200.*
.* 18 00 c0 81 a \$1,\$1,\$3
@ -74,99 +110,84 @@ Disassembly of section \.ovly4:
Disassembly of section \.ovly5:
00000000 <\.ovly5>:
00000400 <\.ovly5>:
\.\.\.
.* 42 01 00 03 ila \$3,200 .*
.* 18 00 c0 81 a \$1,\$1,\$3
.* 34 00 40 80 lqd \$0,16\(\$1\)
.* 30 00 7e 80 bra 3f4 .*
.* 30 00 fe 80 bra 7f4 .*
\.\.\.
3f0: 00 04 0c 00.*
3f4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
3f8: a0 00 03 2c.*
3fc: 00 01 fe 80.*
7f0: 00 04 10 00.*
7f4: 31 00 01 cb brasl \$75,c .*
7f8: a0 00 07 2c.*
7fc: 00 02 fe 80.*
Disassembly of section \.ovly6:
00000400 <\.ovly6>:
.* 31 00 fa 80 brasl \$0,7d4 .*
.* 33 00 7c 00 brsl \$0,7e4 .*
00000800 <\.ovly6>:
.* 31 01 7a 80 brasl \$0,bd4 .*
.* 33 00 7c 00 brsl \$0,be4 .*
\.\.\.
.* 32 00 19 80 br 7f4 .*
.* 32 00 19 80 br bf4 .*
\.\.\.
7d0: 00 08 0c 00.*
7d4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
7d8: a0 00 04 00.*
7dc: 00 01 7a 80.*
7e0: 00 08 0c 00.*
7e4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
7e8: a0 00 04 04.*
7ec: 00 00 83 80.*
7f0: 00 08 00 00.*
7f4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
7f8: 20 00 07 28.*
7fc: 00 7f 02 80.*
bd0: 00 08 10 00.*
bd4: 31 00 01 cb brasl \$75,c .*
bd8: a0 00 08 00.*
bdc: 00 03 7a 80.*
be0: 00 08 10 00.*
be4: 31 00 01 cb brasl \$75,c .*
be8: a0 00 08 04.*
bec: 00 00 83 80.*
bf0: 00 08 04 00.*
bf4: 31 00 01 cb brasl \$75,c .*
bf8: 20 00 0b 28.*
bfc: 00 7f 02 80.*
Disassembly of section \.ovly7:
00000800 <\.ovly7>:
00000c00 <\.ovly7>:
.* 41 7f ff 83 ilhu \$3,65535 # ffff
.* 60 f8 30 03 iohl \$3,61536 # f060
.* 18 00 c0 84 a \$4,\$1,\$3
.* 00 20 00 00 lnop
.* 04 00 02 01 ori \$1,\$4,0
.* 24 00 02 04 stqd \$4,0\(\$4\)
.* 33 00 77 80 brsl \$0,bd4 .*
.* 33 00 79 00 brsl \$0,be4 .*
.* 33 00 77 80 brsl \$0,fd4 .*
.* 33 00 79 00 brsl \$0,fe4 .*
.* 34 00 00 81 lqd \$1,0\(\$1\)
\.\.\.
.* 32 00 16 00 br bf4 .*
.* 32 00 16 00 br ff4 .*
\.\.\.
bd0: 00 04 0c 00.*
bd4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
bd8: a0 00 08 18.*
bdc: 00 00 0a 80.*
be0: 00 08 0c 00.*
be4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
be8: a0 00 08 1c.*
bec: 00 00 05 80.*
bf0: 00 08 04 00.*
bf4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
bf8: 20 00 0b 44.*
bfc: 00 7f 01 80.*
fd0: 00 04 10 00.*
fd4: 31 00 01 cb brasl \$75,c .*
fd8: a0 00 0c 18.*
fdc: 00 00 0a 80.*
fe0: 00 08 10 00.*
fe4: 31 00 01 cb brasl \$75,c .*
fe8: a0 00 0c 1c.*
fec: 00 00 05 80.*
ff0: 00 08 08 00.*
ff4: 31 00 01 cb brasl \$75,c .*
ff8: 20 00 0f 44.*
ffc: 00 7f 01 80.*
Disassembly of section \.ovly8:
00000c00 <f4>:
00001000 <f4>:
.* 24 00 40 80 stqd \$0,16\(\$1\)
.* 24 f8 00 81 stqd \$1,-512\(\$1\)
.* 1c 80 00 81 ai \$1,\$1,-512
.* 31 01 fc 80 brasl \$0,fe4 .*
.* 31 02 7c 80 brasl \$0,13e4 .*
\.\.\.
.* 32 00 18 80 br ff4 .*
.* 32 00 18 80 br 13f4 .*
\.\.\.
fe0: 00 04 09 04.*
fe4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
fe8: a0 00 0c 0c.*
fec: 00 00 dc 00.*
ff0: 00 08 08 00.*
ff4: 31 02 01 cb brasl \$75,100c <__icache_br_handler>
ff8: 20 00 0f 30.*
ffc: 00 7f 02 80.*
Disassembly of section \.text:
00001000 <_start>:
.* 41 00 02 03 ilhu \$3,4
.* 60 86 00 03 iohl \$3,3072 # c00
.* 32 00 03 80 br 1024.*
0000100c <__icache_br_handler>:
100c: 00 00 00 00 stop
00001010 <__icache_call_handler>:
\.\.\.
1020: 00 04 04 00.*
1024: 31 02 02 4b brasl \$75,1010 <__icache_call_handler>
1028: a0 00 10 08.*
102c: 00 7e 7c 80.*
13e0: 00 04 0d 04.*
13e4: 31 00 01 cb brasl \$75,c .*
13e8: a0 00 10 0c.*
13ec: 00 03 dc 00.*
13f0: 00 08 0c 00.*
13f4: 31 00 01 cb brasl \$75,c .*
13f8: 20 00 13 30.*
13fc: 00 7f 02 80.*
#pass