riscv
/
binutils-gdb
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

bfd/ 

* elf-eh-frame.c (make_pc_relative): New function.
	(_bfd_elf_write_section_eh_frame): Use it.

ld/testsuite/
	* ld-mips-elf/eh-frame1-n32.d: Expect PC-relative encodings
	to include DW_EH_PE_sdata4.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame1-n64.d: Expect PC-relative encodings
	to include DW_EH_PE_sdata8.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
gdb_7_1-branch
Richard Sandiford 17 years ago
parent
ce0420dced
commit
30af59626b
7 changed files with 51 additions and 15 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 5
      bfd/ChangeLog
  2. 28
      bfd/elf-eh-frame.c
  3. 9
      ld/testsuite/ChangeLog
  4. 6
      ld/testsuite/ld-mips-elf/eh-frame1-n32.d
  5. 6
      ld/testsuite/ld-mips-elf/eh-frame1-n64.d
  6. 6
      ld/testsuite/ld-mips-elf/eh-frame2-n32.d
  7. 6
      ld/testsuite/ld-mips-elf/eh-frame2-n64.d

5
bfd/ChangeLog
View File

@ -1,3 +1,8 @@
2009-09-21 Richard Sandiford <rdsandiford@googlemail.com>
* elf-eh-frame.c (make_pc_relative): New function.
(_bfd_elf_write_section_eh_frame): Use it.
2009-09-21 Alan Modra <amodra@bigpond.net.au>
* elf32-ppc.c (TLS_GET_ADDR_GLINK_SIZE): Define.

28
bfd/elf-eh-frame.c
View File

@ -423,6 +423,28 @@ skip_non_nops (bfd_byte *buf, bfd_byte *end, unsigned int encoded_ptr_width,
return last;
}
/* Convert absolute encoding ENCODING into PC-relative form.
SIZE is the size of a pointer. */
static unsigned char
make_pc_relative (unsigned char encoding, unsigned int ptr_size)
{
if ((encoding & 0x7f) == DW_EH_PE_absptr)
switch (ptr_size)
{
case 2:
encoding |= DW_EH_PE_sdata2;
break;
case 4:
encoding |= DW_EH_PE_sdata4;
break;
case 8:
encoding |= DW_EH_PE_sdata8;
break;
}
return encoding | DW_EH_PE_pcrel;
}
/* Called before calling _bfd_elf_parse_eh_frame on every input bfd's
.eh_frame section. */
@ -1454,7 +1476,7 @@ _bfd_elf_write_section_eh_frame (bfd *abfd,
{
BFD_ASSERT (action & 1);
*aug++ = 'R';
*buf++ = DW_EH_PE_pcrel;
*buf++ = make_pc_relative (DW_EH_PE_absptr, ptr_size);
action &= ~1;
}
@ -1465,7 +1487,7 @@ _bfd_elf_write_section_eh_frame (bfd *abfd,
if (action & 2)
{
BFD_ASSERT (*buf == ent->lsda_encoding);
*buf |= DW_EH_PE_pcrel;
*buf = make_pc_relative (*buf, ptr_size);
action &= ~2;
}
buf++;
@ -1506,7 +1528,7 @@ _bfd_elf_write_section_eh_frame (bfd *abfd,
if (action & 1)
{
BFD_ASSERT (*buf == ent->fde_encoding);
*buf |= DW_EH_PE_pcrel;
*buf = make_pc_relative (*buf, ptr_size);
action &= ~1;
}
buf++;

9
ld/testsuite/ChangeLog
View File

@ -1,3 +1,12 @@
2009-09-21 Richard Sandiford <rdsandiford@googlemail.com>
* ld-mips-elf/eh-frame1-n32.d: Expect PC-relative encodings
to include DW_EH_PE_sdata4.
* ld-mips-elf/eh-frame2-n32.d: Likewise.
* ld-mips-elf/eh-frame1-n64.d: Expect PC-relative encodings
to include DW_EH_PE_sdata8.
* ld-mips-elf/eh-frame2-n64.d: Likewise.
2009-09-21 Alan Modra <amodra@bigpond.net.au>
* ld-powerpc/tlslib.s: Delete dot-symbol entry syms. Add

6
ld/testsuite/ld-mips-elf/eh-frame1-n32.d
View File

@ -25,7 +25,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10
Augmentation data: 1b
DW_CFA_advance_loc: 0 to 00000000
DW_CFA_advance_loc: 0 to 00000000
@ -65,7 +65,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10 00 00 00 00 00
Augmentation data: 1b 00 00 00 00 00
DW_CFA_advance_loc: 0 to 00000000
DW_CFA_advance_loc: 0 to 00000000
@ -108,7 +108,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 00 00 00 00 00 10
Augmentation data: 00 00 00 00 00 1b
DW_CFA_advance_loc: 0 to 00000000

6
ld/testsuite/ld-mips-elf/eh-frame1-n64.d
View File

@ -41,7 +41,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10
Augmentation data: 1c
DW_CFA_advance_loc: 0 to 00000000
DW_CFA_advance_loc: 0 to 00000000
@ -105,7 +105,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10 00 00 00 00 00 00 00 00 00
Augmentation data: 1c 00 00 00 00 00 00 00 00 00
DW_CFA_advance_loc: 0 to 00000000
DW_CFA_advance_loc: 0 to 00000000
@ -172,7 +172,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 00 00 00 00 00 00 00 00 00 10
Augmentation data: 00 00 00 00 00 00 00 00 00 1c
DW_CFA_advance_loc: 0 to 00000000
DW_CFA_advance_loc: 0 to 00000000

6
ld/testsuite/ld-mips-elf/eh-frame2-n32.d
View File

@ -25,7 +25,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10
Augmentation data: 1b
DW_CFA_nop
DW_CFA_nop
@ -65,7 +65,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10 00 00 00 00 00
Augmentation data: 1b 00 00 00 00 00
DW_CFA_nop
@ -104,7 +104,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 00 00 00 00 00 10
Augmentation data: 00 00 00 00 00 1b
DW_CFA_nop

6
ld/testsuite/ld-mips-elf/eh-frame2-n64.d
View File

@ -41,7 +41,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10
Augmentation data: 1c
DW_CFA_nop
DW_CFA_nop
@ -105,7 +105,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 10 00 00 00 00 00 00 00 00 00
Augmentation data: 1c 00 00 00 00 00 00 00 00 00
DW_CFA_nop
DW_CFA_nop
@ -164,7 +164,7 @@ Contents of the \.eh_frame section:
Code alignment factor: 1
Data alignment factor: 4
Return address column: 31
Augmentation data: 00 00 00 00 00 00 00 00 00 10
Augmentation data: 00 00 00 00 00 00 00 00 00 1c
DW_CFA_nop
DW_CFA_nop

Write Preview
Loading…
Cancel
Save