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authorJan Beulich <jbeulich@novell.com>2006-11-15 15:59:26 +0000
committerJan Beulich <jbeulich@novell.com>2006-11-15 15:59:26 +0000
commitbdf128d65b696b2622a4406b009f5444e5f0550e (patch)
treef3081f6636c7e7b52986042d24e5ce7771ac2ec8 /gas
parentb9c3a42a935ad917418dd7629c163f16a2a77e09 (diff)
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gas/
2006-11-15 Jan Beulich <jbeulich@novell.com> PR/3469 * symbols.c (symbol_clone): Mark symbol ending up not on symbol chain by linking it to itself. (resolve_symbol_value): Also check symbol_shadow_p(). (symbol_shadow_p): New. * symbols.h (symbol_shadow_p): Declare. gas/testsuite/ 2006-11-15 Jan Beulich <jbeulich@novell.com> * gas/elf/equ-reloc.[sd]: New. * gas/elf/elf.exp: Run new test.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog9
-rw-r--r--gas/symbols.c20
-rw-r--r--gas/symbols.h1
-rw-r--r--gas/testsuite/ChangeLog5
-rw-r--r--gas/testsuite/gas/elf/elf.exp1
-rw-r--r--gas/testsuite/gas/elf/equ-reloc.d13
-rw-r--r--gas/testsuite/gas/elf/equ-reloc.s16
7 files changed, 62 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 18ae993..1afffe1 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,12 @@
+2006-11-15 Jan Beulich <jbeulich@novell.com>
+
+ PR/3469
+ * symbols.c (symbol_clone): Mark symbol ending up not on symbol
+ chain by linking it to itself.
+ (resolve_symbol_value): Also check symbol_shadow_p().
+ (symbol_shadow_p): New.
+ * symbols.h (symbol_shadow_p): Declare.
+
2006-11-12 Mark Shinwell <shinwell@codesourcery.com>
* config/tc-arm.c (do_t_czb): Rename to do_t_cbz.
diff --git a/gas/symbols.c b/gas/symbols.c
index dccc46a..6a90bba 100644
--- a/gas/symbols.c
+++ b/gas/symbols.c
@@ -598,11 +598,13 @@ symbol_clone (symbolS *orgsymP, int replace)
symbol_lastP = newsymP;
else if (orgsymP->sy_next)
orgsymP->sy_next->sy_previous = newsymP;
- orgsymP->sy_next = NULL;
+ orgsymP->sy_previous = orgsymP->sy_next = orgsymP;
debug_verify_symchain (symbol_rootP, symbol_lastP);
symbol_table_insert (newsymP);
}
+ else
+ newsymP->sy_previous = newsymP->sy_next = newsymP;
return newsymP;
}
@@ -1078,8 +1080,9 @@ resolve_symbol_value (symbolS *symp)
symp->sy_resolving = 0;
goto exit_dont_set_value;
}
- else if (finalize_syms && final_seg == expr_section
- && seg_left != expr_section)
+ else if (finalize_syms &&
+ ((final_seg == expr_section && seg_left != expr_section) ||
+ symbol_shadow_p (symp)))
{
/* If the symbol is an expression symbol, do similarly
as for undefined and common syms above. Handles
@@ -2492,6 +2495,17 @@ symbol_constant_p (symbolS *s)
return s->sy_value.X_op == O_constant;
}
+/* Return whether a symbol was cloned and thus removed from the global
+ symbol list. */
+
+int
+symbol_shadow_p (symbolS *s)
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+ return s->sy_next == s;
+}
+
/* Return the BFD symbol for a symbol. */
asymbol *
diff --git a/gas/symbols.h b/gas/symbols.h
index 7a4b8f7..0527abb 100644
--- a/gas/symbols.h
+++ b/gas/symbols.h
@@ -192,6 +192,7 @@ extern int symbol_section_p (symbolS *);
extern int symbol_equated_p (symbolS *);
extern int symbol_equated_reloc_p (symbolS *);
extern int symbol_constant_p (symbolS *);
+extern int symbol_shadow_p (symbolS *);
extern asymbol *symbol_get_bfdsym (symbolS *);
extern void symbol_set_bfdsym (symbolS *, asymbol *);
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 43705a3..dce5cb4 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-11-15 Jan Beulich <jbeulich@novell.com>
+
+ * gas/elf/equ-reloc.[sd]: New.
+ * gas/elf/elf.exp: Run new test.
+
2006-11-10 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/merom.d: Use "#pass" instead of "#..." to skip the
diff --git a/gas/testsuite/gas/elf/elf.exp b/gas/testsuite/gas/elf/elf.exp
index 2acecbf..67ccc5b 100644
--- a/gas/testsuite/gas/elf/elf.exp
+++ b/gas/testsuite/gas/elf/elf.exp
@@ -72,6 +72,7 @@ if { ([istarget "*-*-*elf*"]
{ *c54x*-*-* } { }
default {
run_dump_test redef
+ run_dump_test equ-reloc
}
}
run_dump_test "section0"
diff --git a/gas/testsuite/gas/elf/equ-reloc.d b/gas/testsuite/gas/elf/equ-reloc.d
new file mode 100644
index 0000000..e4e7d47
--- /dev/null
+++ b/gas/testsuite/gas/elf/equ-reloc.d
@@ -0,0 +1,13 @@
+#objdump: -rsj .data
+#name: elf equate relocs
+
+.*: +file format .*
+
+RELOCATION RECORDS FOR \[.*\]:
+OFFSET *TYPE *VALUE
+0*0 [^ ]+ +(\.bss(\+0x0*4)?|y1)
+0*4 [^ ]+ +(\.bss(\+0x0*8)?|y2)
+#...
+Contents of section .data:
+ 0000 0[04]00000[04] 0[08]00000[08].*
+#pass
diff --git a/gas/testsuite/gas/elf/equ-reloc.s b/gas/testsuite/gas/elf/equ-reloc.s
new file mode 100644
index 0000000..efdd0e1
--- /dev/null
+++ b/gas/testsuite/gas/elf/equ-reloc.s
@@ -0,0 +1,16 @@
+ .data
+ .long x1, x2
+
+ .global x1, x2, z2
+
+ .set x1, y1
+ .set x2, y2
+ .set x2, z2
+
+ .section .bss, "aw", %nobits
+x1:
+ .zero 4
+y1:
+ .zero 4
+y2:
+ .zero 4