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* dw2gencfi.c (output_fde): Use fix_new to emit pc-relative reloc.

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(cfi_finish): Set flag_traditional_format around .eh_frame data.

        * gas/alpha/elf-reloc-8.d: Correct .eh_frame relocs.
        * gas/cfi/cfi-alpha-2.d: New.
        * gas/cfi/cfi-alpha-2.s: New.
        * gas/cfi/cfi.exp: Run it.
This commit is contained in:
Richard Henderson 2003-05-31 19:36:45 +00:00
parent 38fafa6d08
commit eafbc43f93
7 changed files with 69 additions and 18 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2003-05-31 Richard Henderson <rth@redhat.com>
* dw2gencfi.c (output_fde): Use fix_new to emit pc-relative reloc.
(cfi_finish): Set flag_traditional_format around .eh_frame data.
2003-05-29 Richard Henderson <rth@redhat.com> 2003-05-29 Richard Henderson <rth@redhat.com>
* config/tc-alpha.c (alpha_cur_ent_sym): Remove. * config/tc-alpha.c (alpha_cur_ent_sym): Remove.

17
gas/dw2gencfi.c
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@ -666,9 +666,17 @@ output_fde (struct fde_entry *fde, struct cie_entry *cie,
exp.X_op_symbol = cie->start_address; exp.X_op_symbol = cie->start_address;
emit_expr (&exp, 4); /* CIE offset */ emit_expr (&exp, 4); /* CIE offset */
/* ??? Unsure why this works and the following doesn't.
Symptom was incorrect addends to the relocation. */
#if 1
memset (frag_more (4), 0, 4); /* Code offset */
fix_new (frag_now, frag_now_fix () - 4, 4,
fde->start_address, 0, 1, BFD_RELOC_32);
#else
exp.X_add_symbol = fde->start_address; exp.X_add_symbol = fde->start_address;
exp.X_op_symbol = symbol_temp_new_now (); exp.X_op_symbol = symbol_temp_new_now ();
emit_expr (&exp, 4); /* Code offset */ emit_expr (&exp, 4);
#endif
exp.X_add_symbol = fde->end_address; exp.X_add_symbol = fde->end_address;
exp.X_op_symbol = fde->start_address; /* Code length */ exp.X_op_symbol = fde->start_address; /* Code length */
@ -770,6 +778,7 @@ cfi_finish (void)
{ {
segT cfi_seg; segT cfi_seg;
struct fde_entry *fde; struct fde_entry *fde;
int save_flag_traditional_format;
if (cur_fde_data) if (cur_fde_data)
{ {
@ -789,6 +798,10 @@ cfi_finish (void)
subseg_set (cfi_seg, 0); subseg_set (cfi_seg, 0);
record_alignment (cfi_seg, 2); record_alignment (cfi_seg, 2);
/* Make sure check_eh_frame doesn't do anything with our output. */
save_flag_traditional_format = flag_traditional_format;
flag_traditional_format = 1;
for (fde = all_fde_data; fde ; fde = fde->next) for (fde = all_fde_data; fde ; fde = fde->next)
{ {
struct cfi_insn_data *first; struct cfi_insn_data *first;
@ -797,4 +810,6 @@ cfi_finish (void)
cie = select_cie_for_fde (fde, &first); cie = select_cie_for_fde (fde, &first);
output_fde (fde, cie, first); output_fde (fde, cie, first);
} }
flag_traditional_format = save_flag_traditional_format;
} }

7
gas/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2003-05-31 Richard Henderson <rth@redhat.com>
* gas/alpha/elf-reloc-8.d: Correct .eh_frame relocs.
* gas/cfi/cfi-alpha-2.d: New.
* gas/cfi/cfi-alpha-2.s: New.
* gas/cfi/cfi.exp: Run it.
2003-05-29 Richard Henderson <rth@redhat.com> 2003-05-29 Richard Henderson <rth@redhat.com>
* gas/alpha/elf-reloc-8.d: Add .eh_frame relocs. * gas/alpha/elf-reloc-8.d: Add .eh_frame relocs.

34
gas/testsuite/gas/alpha/elf-reloc-8.d
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@ -311,20 +311,20 @@ OFFSET *TYPE *VALUE
RELOCATION RECORDS FOR \[\.eh_frame\]: RELOCATION RECORDS FOR \[\.eh_frame\]:
OFFSET *TYPE *VALUE OFFSET *TYPE *VALUE
0*000001c SREL32 \.init\.text\+0xf*ffffff8 0*000001c SREL32 \.init\.text
0*0000034 SREL32 \.init\.text\+0x0*0000048 0*0000034 SREL32 \.init\.text\+0x0*0000050
0*0000048 SREL32 \.init\.text\+0x0*0000078 0*0000048 SREL32 \.init\.text\+0x0*0000080
0*000005c SREL32 \.init\.text\+0x0*00000a8 0*000005c SREL32 \.init\.text\+0x0*00000b0
0*0000080 SREL32 \.init\.text\+0x0*00002b8 0*0000080 SREL32 \.init\.text\+0x0*00002c0
0*00000a0 SREL32 \.init\.text\+0x0*0000598 0*00000a0 SREL32 \.init\.text\+0x0*00005a0
0*00000b8 SREL32 \.init\.text\+0x0*00005e8 0*00000b8 SREL32 \.init\.text\+0x0*00005f0
0*00000cc SREL32 \.init\.text\+0x0*0000608 0*00000cc SREL32 \.init\.text\+0x0*0000610
0*00000e0 SREL32 \.init\.text\+0x0*0000628 0*00000e0 SREL32 \.init\.text\+0x0*0000630
0*00000fc SREL32 \.init\.text\+0x0*0000748 0*00000fc SREL32 \.init\.text\+0x0*0000750
0*0000120 SREL32 \.init\.text\+0x0*0000988 0*0000120 SREL32 \.init\.text\+0x0*0000990
0*000013c SREL32 \.init\.text\+0x0*0000a08 0*000013c SREL32 \.init\.text\+0x0*0000a10
0*0000150 SREL32 \.init\.text\+0x0*0000a18 0*0000150 SREL32 \.init\.text\+0x0*0000a20
0*0000164 SREL32 \.init\.text\+0x0*0000a38 0*0000164 SREL32 \.init\.text\+0x0*0000a40
0*000017c SREL32 \.init\.text\+0x0*0000a88 0*000017c SREL32 \.init\.text\+0x0*0000a90
0*0000190 SREL32 \.init\.text\+0x0*0000a98 0*0000190 SREL32 \.init\.text\+0x0*0000aa0
0*00001a4 SREL32 \.text\+0xf*ffffff8 0*00001a4 SREL32 \.text

9
gas/testsuite/gas/cfi/cfi-alpha-2.d Normal file
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@ -0,0 +1,9 @@
#objdump: -r -j .eh_frame
#name: CFI on alpha, 2
.*: file format elf64-alpha
RELOCATION RECORDS FOR \[\.eh_frame\]:
OFFSET TYPE VALUE
0*000001c SREL32 \.text
0*0000030 SREL32 \.text\+0x0*0000004

14
gas/testsuite/gas/cfi/cfi-alpha-2.s Normal file
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@ -0,0 +1,14 @@
.text
.ent foo
foo:
.frame $30, 0, $26, 0
.prologue 1
ret
.end foo
.ent bar
bar:
.frame $30, 0, $26, 0
.prologue 1
ret
.end bar

1
gas/testsuite/gas/cfi/cfi.exp
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@ -15,5 +15,6 @@ if { [istarget alpha*-*-*] } then {
if $elf { if $elf {
run_dump_test "cfi-alpha-1" run_dump_test "cfi-alpha-1"
run_dump_test "cfi-alpha-2"
} }
} }