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authorJakub Jelinek <jakub@redhat.com>2001-05-11 12:36:47 +0000
committerJakub Jelinek <jakub@redhat.com>2001-05-11 12:36:47 +0000
commit579f31ac74d806de9c148fb324a32c488634742a (patch)
tree3cf71d4822aa0765c4ec9267d264dbc26a56cea8 /gas
parent8550eb6e64bdd0582528498c5cad6f80014b7deb (diff)
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* elfxx-ia64.c (is_unwind_section_name): Consider linkonce unwind
sections as well. (elfNN_ia64_final_write_processing): Map .gnu.linkonce.ia64unw.FOO to .gnu.linkonce.t.FOO text section. * readelf.c (process_unwind): Print all unwind sections, not just one. * config/tc-ia64.c (special_linkonce_name): New. (make_unw_section): Map .gnu.linkonce.t.FOO text section into .gnu.linkonce.ia64unw{,i}.FOO. (ia64_elf_section_type): Handle .gnu.linkonce.ia64unw{,i}.FOO. (dot_endp): Add comment about it. * elf/ia64.h (ELF_STRING_ia64_unwind_once): Define. (ELF_STRING_ia64_unwind_info_once): Define. * emulparams/elf64_ia64.sh (OTHER_READONLY_SECTIONS): Put .gnu.linkonce.ia64unw{,i} sections into corresponding .IA_64.unwind* output sections. * emulparams/elf64_aix.sh (OTHER_READONLY_SECTIONS): Likewise.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog8
-rw-r--r--gas/config/tc-ia64.c32
2 files changed, 36 insertions, 4 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1e6d8c8..21e5209 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,11 @@
+2001-05-11 Jakub Jelinek <jakub@redhat.com>
+
+ * config/tc-ia64.c (special_linkonce_name): New.
+ (make_unw_section): Map .gnu.linkonce.t.FOO text section into
+ .gnu.linkonce.ia64unw{,i}.FOO.
+ (ia64_elf_section_type): Handle .gnu.linkonce.ia64unw{,i}.FOO.
+ (dot_endp): Add comment about it.
+
2001-05-11 Nick Clifton <nickc@cambridge.redhat.com>
* config/tc-arm.c (arm_handle_align): When truncating an aligned
diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c
index be4b7e5..0a3dcc6 100644
--- a/gas/config/tc-ia64.c
+++ b/gas/config/tc-ia64.c
@@ -526,6 +526,11 @@ static char special_section_name[][20] =
{".IA_64.unwind"}, {".IA_64.unwind_info"}
};
+static char *special_linkonce_name[] =
+ {
+ ".gnu.linkonce.ia64unw.", ".gnu.linkonce.ia64unwi."
+ };
+
/* The best template for a particular sequence of up to three
instructions: */
#define N IA64_NUM_TYPES
@@ -852,11 +857,20 @@ static int generate_unwind_image PARAMS ((const char *));
#define make_unw_section_name(special, text_name, result) \
{ \
char *_prefix = special_section_name[special]; \
- size_t _prefix_len = strlen (_prefix), _text_len = strlen (text_name); \
- char *_result = alloca (_prefix_len + _text_len + 1); \
+ char *_suffix = text_name; \
+ size_t _prefix_len, _suffix_len; \
+ char *_result; \
+ if (strncmp (text_name, ".gnu.linkonce.t.", \
+ sizeof (".gnu.linkonce.t.") - 1) == 0) \
+ { \
+ _prefix = special_linkonce_name[special - SPECIAL_SECTION_UNWIND]; \
+ _suffix += sizeof (".gnu.linkonce.t.") - 1; \
+ } \
+ _prefix_len = strlen (_prefix), _suffix_len = strlen (_suffix); \
+ _result = alloca (_prefix_len + _suffix_len + 1); \
memcpy(_result, _prefix, _prefix_len); \
- memcpy(_result + _prefix_len, text_name, _text_len); \
- _result[_prefix_len + _text_len] = '\0'; \
+ memcpy(_result + _prefix_len, _suffix, _suffix_len); \
+ _result[_prefix_len + _suffix_len] = '\0'; \
result = _result; \
} \
while (0)
@@ -913,10 +927,18 @@ ia64_elf_section_type (str, len)
if (strncmp (str, ELF_STRING_ia64_unwind_info, len) == 0)
return SHT_PROGBITS;
+ len = sizeof (ELF_STRING_ia64_unwind_info_once) - 1;
+ if (strncmp (str, ELF_STRING_ia64_unwind_info_once, len) == 0)
+ return SHT_PROGBITS;
+
len = sizeof (ELF_STRING_ia64_unwind) - 1;
if (strncmp (str, ELF_STRING_ia64_unwind, len) == 0)
return SHT_IA_64_UNWIND;
+ len = sizeof (ELF_STRING_ia64_unwind_once) - 1;
+ if (strncmp (str, ELF_STRING_ia64_unwind_once, len) == 0)
+ return SHT_IA_64_UNWIND;
+
return -1;
}
@@ -3820,6 +3842,8 @@ dot_endp (dummy)
.text .IA_64.unwind
.text.foo .IA_64.unwind.text.foo
.foo .IA_64.unwind.foo
+ .gnu.linkonce.t.foo
+ .gnu.linkonce.ia64unw.foo
_info .IA_64.unwind_info gas issues error message (ditto)
_infoFOO .IA_64.unwind_infoFOO gas issues error message (ditto)