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-rw-r--r--bfd/ChangeLog12
-rw-r--r--bfd/bfd-in.h2
-rw-r--r--bfd/bfd-in2.h2
-rw-r--r--bfd/elf32-arm.c16
-rw-r--r--ld/ChangeLog11
-rw-r--r--ld/emultempl/armelf.em10
-rw-r--r--ld/ld.texinfo8
-rw-r--r--ld/testsuite/ChangeLog15
-rw-r--r--ld/testsuite/ld-arm/arm-elf.exp18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-0.s11
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-00-nowarn.d17
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-00.d17
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-02-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-02.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-04-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-04.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-2.s11
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-20-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-20.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-22-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-22.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-24-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-24.d5
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-4.s11
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-40-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-40.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-42-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-42.d5
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-44-nowarn.d18
-rw-r--r--ld/testsuite/ld-arm/attr-merge-wchar-44.d18
30 files changed, 416 insertions, 7 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 4a676b1..fd30fd3 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,15 @@
+2008-07-18 Joseph Myers <joseph@codesourcery.com>
+
+ * bfd-in.h (bfd_elf32_arm_set_target_relocs): Add new parameter.
+ * bfd-in2.h: Regenerate.
+ * elf32-arm.c (struct elf_arm_obj_tdata): Add field
+ no_wchar_size_warning.
+ (bfd_elf32_arm_set_target_relocs): Add new parameter
+ no_wchar_warn.
+ (elf32_arm_merge_eabi_attributes): Give a warning, not an error,
+ for conflicting wchar_t attributes. Do not warn if
+ --no-wchar-size-warning. Make diagnostic text more specific.
+
2008-07-18 H.J. Lu <hongjiu.lu@intel.com>
PR ld/6748
diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h
index 3a3fa3f..21f4f4c 100644
--- a/bfd/bfd-in.h
+++ b/bfd/bfd-in.h
@@ -860,7 +860,7 @@ extern bfd_boolean bfd_elf32_arm_process_before_allocation
void bfd_elf32_arm_set_target_relocs
(bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
- int, int);
+ int, int, int);
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
(bfd *, struct bfd_link_info *);
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index c1ad8c7..087eff8 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -867,7 +867,7 @@ extern bfd_boolean bfd_elf32_arm_process_before_allocation
void bfd_elf32_arm_set_target_relocs
(bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
- int, int);
+ int, int, int);
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
(bfd *, struct bfd_link_info *);
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 8fbaa35..8fc1542 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -2167,6 +2167,9 @@ struct elf_arm_obj_tdata
/* Zero to warn when linking objects with incompatible enum sizes. */
int no_enum_size_warning;
+
+ /* Zero to warn when linking objects with incompatible wchar_t sizes. */
+ int no_wchar_size_warning;
};
#define elf_arm_tdata(bfd) \
@@ -5271,7 +5274,8 @@ bfd_elf32_arm_set_target_relocs (struct bfd *output_bfd,
int fix_v4bx,
int use_blx,
bfd_arm_vfp11_fix vfp11_fix,
- int no_enum_warn, int pic_veneer)
+ int no_enum_warn, int no_wchar_warn,
+ int pic_veneer)
{
struct elf32_arm_link_hash_table *globals;
@@ -5296,6 +5300,7 @@ bfd_elf32_arm_set_target_relocs (struct bfd *output_bfd,
BFD_ASSERT (is_arm_elf (output_bfd));
elf_arm_tdata (output_bfd)->no_enum_size_warning = no_enum_warn;
+ elf_arm_tdata (output_bfd)->no_wchar_size_warning = no_wchar_warn;
}
/* Replace the target offset of a Thumb bl or b.w instruction. */
@@ -8315,13 +8320,14 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
out_attr[i].i = in_attr[i].i;
break;
case Tag_ABI_PCS_wchar_t:
- if (out_attr[i].i && in_attr[i].i && out_attr[i].i != in_attr[i].i)
+ if (out_attr[i].i && in_attr[i].i && out_attr[i].i != in_attr[i].i
+ && !elf_arm_tdata (obfd)->no_wchar_size_warning)
{
_bfd_error_handler
- (_("ERROR: %B: Conflicting definitions of wchar_t"), ibfd);
- return FALSE;
+ (_("warning: %B uses %u-byte wchar_t yet the output is to use %u-byte wchar_t; use of wchar_t values across objects may fail"),
+ ibfd, in_attr[i].i, out_attr[i].i);
}
- if (in_attr[i].i)
+ else if (in_attr[i].i && !out_attr[i].i)
out_attr[i].i = in_attr[i].i;
break;
case Tag_ABI_align8_needed:
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 4c5f7ae..36d8560 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,14 @@
+2008-07-18 Joseph Myers <joseph@codesourcery.com>
+
+ * ld.texinfo (--no-wchar-size-warning): Document new ARM option.
+ * emultempl/armelf.em (no_wchar_size_warning): New.
+ (arm_elf_create_output_section_statements): Pass
+ no_wchar_size_warning to arm_elf_create_output_section_statements.
+ (OPTION_NO_WCHAR_SIZE_WARNING): New.
+ (PARSE_AND_LIST_LONGOPTS): Add no-wchar-size-warning.
+ (PARSE_AND_LIST_OPTIONS): List --no-wchar-size-warning.
+ (PARSE_AND_LIST_ARGS_CASES): Handle --no-wchar-size-warning.
+
2008-07-15 Jie Zhang <jie.zhang@analog.com>
* emulparams/elf32bfinfd.sh (OTHER_SECTIONS): Define.
diff --git a/ld/emultempl/armelf.em b/ld/emultempl/armelf.em
index d142961..d1d68c0 100644
--- a/ld/emultempl/armelf.em
+++ b/ld/emultempl/armelf.em
@@ -39,6 +39,7 @@ static int fix_v4bx = 0;
static int use_blx = 0;
static bfd_arm_vfp11_fix vfp11_denorm_fix = BFD_ARM_VFP11_FIX_DEFAULT;
static int no_enum_size_warning = 0;
+static int no_wchar_size_warning = 0;
static int pic_veneer = 0;
static void
@@ -452,6 +453,7 @@ arm_elf_create_output_section_statements (void)
target1_is_rel,
target2_type, fix_v4bx, use_blx,
vfp11_denorm_fix, no_enum_size_warning,
+ no_wchar_size_warning,
pic_veneer);
stub_file = lang_add_input_file ("linker stubs",
@@ -509,6 +511,7 @@ PARSE_AND_LIST_PROLOGUE='
#define OPTION_PIC_VENEER 310
#define OPTION_FIX_V4BX_INTERWORKING 311
#define OPTION_STUBGROUP_SIZE 312
+#define OPTION_NO_WCHAR_SIZE_WARNING 313
'
PARSE_AND_LIST_SHORTOPTS=p
@@ -527,6 +530,7 @@ PARSE_AND_LIST_LONGOPTS='
{ "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
{ "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
+ { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
'
PARSE_AND_LIST_OPTIONS='
@@ -541,6 +545,8 @@ PARSE_AND_LIST_OPTIONS='
fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible"
" enum sizes\n"));
+ fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible"
+ " wchar_t sizes\n"));
fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
fprintf (file, _("\
--stub-group-size=N Maximum size of a group of input sections that can be\n\
@@ -605,6 +611,10 @@ PARSE_AND_LIST_ARGS_CASES='
no_enum_size_warning = 1;
break;
+ case OPTION_NO_WCHAR_SIZE_WARNING:
+ no_wchar_size_warning = 1;
+ break;
+
case OPTION_PIC_VENEER:
pic_veneer = 1;
break;
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 4400524..b752642 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -5709,6 +5709,14 @@ linking of an object file using 32-bit enumeration values with another
using enumeration values fitted into the smallest possible space will
not be diagnosed.
+@cindex NO_WCHAR_SIZE_WARNING
+@kindex --no-wchar-size-warning
+The @option{--no-wchar-size-warning} switch prevents the linker from
+warning when linking object files that specify incompatible EABI
+@code{wchar_t} size attributes. For example, with this switch enabled,
+linking of an object file using 32-bit @code{wchar_t} values with another
+using 16-bit @code{wchar_t} values will not be diagnosed.
+
@cindex PIC_VENEER
@kindex --pic-veneer
The @samp{--pic-veneer} switch makes the linker use PIC sequences for
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 2403d52..f613aec 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,18 @@
+2008-07-18 Joseph Myers <joseph@codesourcery.com>
+
+ * ld-arm/attr-merge-wchar-0.s,ld-arm/attr-merge-wchar-2.s,
+ ld-arm/attr-merge-wchar-4.s, ld-arm/attr-merge-wchar-00-nowarn.d,
+ ld-arm/attr-merge-wchar-00.d, ld-arm/attr-merge-wchar-02-nowarn.d,
+ ld-arm/attr-merge-wchar-02.d, ld-arm/attr-merge-wchar-04-nowarn.d,
+ ld-arm/attr-merge-wchar-04.d, ld-arm/attr-merge-wchar-20-nowarn.d,
+ ld-arm/attr-merge-wchar-20.d, ld-arm/attr-merge-wchar-22-nowarn.d,
+ ld-arm/attr-merge-wchar-22.d, ld-arm/attr-merge-wchar-24-nowarn.d,
+ ld-arm/attr-merge-wchar-24.d, ld-arm/attr-merge-wchar-40-nowarn.d,
+ ld-arm/attr-merge-wchar-40.d, ld-arm/attr-merge-wchar-42-nowarn.d,
+ ld-arm/attr-merge-wchar-42.d, ld-arm/attr-merge-wchar-44-nowarn.d,
+ ld-arm/attr-merge-wchar-44.d: New.
+ * ld-arm/arm-elf.exp: Run new tests.
+
2008-07-11 H.J. Lu <hongjiu.lu@intel.com>
* ld-m68k/got-12.s: Removed.
diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index 7df49f4..c01c795 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -283,6 +283,24 @@ set armeabitests {
}
run_ld_link_tests $armeabitests
+run_dump_test "attr-merge-wchar-00"
+run_dump_test "attr-merge-wchar-02"
+run_dump_test "attr-merge-wchar-04"
+run_dump_test "attr-merge-wchar-20"
+run_dump_test "attr-merge-wchar-22"
+run_dump_test "attr-merge-wchar-24"
+run_dump_test "attr-merge-wchar-40"
+run_dump_test "attr-merge-wchar-42"
+run_dump_test "attr-merge-wchar-44"
+run_dump_test "attr-merge-wchar-00-nowarn"
+run_dump_test "attr-merge-wchar-02-nowarn"
+run_dump_test "attr-merge-wchar-04-nowarn"
+run_dump_test "attr-merge-wchar-20-nowarn"
+run_dump_test "attr-merge-wchar-22-nowarn"
+run_dump_test "attr-merge-wchar-24-nowarn"
+run_dump_test "attr-merge-wchar-40-nowarn"
+run_dump_test "attr-merge-wchar-42-nowarn"
+run_dump_test "attr-merge-wchar-44-nowarn"
run_dump_test "farcall-thumb-thumb"
run_dump_test "farcall-thumb-thumb-pic-veneer"
run_dump_test "farcall-thumb-thumb-m-pic-veneer"
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-0.s b/ld/testsuite/ld-arm/attr-merge-wchar-0.s
new file mode 100644
index 0000000..ef19a88
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-0.s
@@ -0,0 +1,11 @@
+ .cpu arm7tdmi
+ .fpu softvfp
+ .eabi_attribute 20, 1
+ .eabi_attribute 21, 1
+ .eabi_attribute 23, 3
+ .eabi_attribute 24, 1
+ .eabi_attribute 25, 1
+ .eabi_attribute 26, 1
+ .eabi_attribute 30, 6
+ .eabi_attribute 18, 0
+ .file "attr-merge-wchar-0.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-00-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-00-nowarn.d
new file mode 100644
index 0000000..e850c64
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-00-nowarn.d
@@ -0,0 +1,17 @@
+#source: attr-merge-wchar-0.s
+#source: attr-merge-wchar-0.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-00.d b/ld/testsuite/ld-arm/attr-merge-wchar-00.d
new file mode 100644
index 0000000..1fcf7c0
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-00.d
@@ -0,0 +1,17 @@
+#source: attr-merge-wchar-0.s
+#source: attr-merge-wchar-0.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-02-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-02-nowarn.d
new file mode 100644
index 0000000..f6b7a68
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-02-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-0.s
+#source: attr-merge-wchar-2.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-02.d b/ld/testsuite/ld-arm/attr-merge-wchar-02.d
new file mode 100644
index 0000000..dc907ee
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-02.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-0.s
+#source: attr-merge-wchar-2.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-04-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-04-nowarn.d
new file mode 100644
index 0000000..b369b78
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-04-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-0.s
+#source: attr-merge-wchar-4.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-04.d b/ld/testsuite/ld-arm/attr-merge-wchar-04.d
new file mode 100644
index 0000000..9aa3c47
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-04.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-0.s
+#source: attr-merge-wchar-4.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-2.s b/ld/testsuite/ld-arm/attr-merge-wchar-2.s
new file mode 100644
index 0000000..4b3b96b
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-2.s
@@ -0,0 +1,11 @@
+ .cpu arm7tdmi
+ .fpu softvfp
+ .eabi_attribute 20, 1
+ .eabi_attribute 21, 1
+ .eabi_attribute 23, 3
+ .eabi_attribute 24, 1
+ .eabi_attribute 25, 1
+ .eabi_attribute 26, 1
+ .eabi_attribute 30, 6
+ .eabi_attribute 18, 2
+ .file "attr-merge-wchar-2.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-20-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-20-nowarn.d
new file mode 100644
index 0000000..8cfb682
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-20-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-2.s
+#source: attr-merge-wchar-0.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-20.d b/ld/testsuite/ld-arm/attr-merge-wchar-20.d
new file mode 100644
index 0000000..1ba47f1
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-20.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-2.s
+#source: attr-merge-wchar-0.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-22-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-22-nowarn.d
new file mode 100644
index 0000000..4a3d37e
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-22-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-2.s
+#source: attr-merge-wchar-2.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-22.d b/ld/testsuite/ld-arm/attr-merge-wchar-22.d
new file mode 100644
index 0000000..23c0726
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-22.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-2.s
+#source: attr-merge-wchar-2.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-24-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-24-nowarn.d
new file mode 100644
index 0000000..cadd7da
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-24-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-2.s
+#source: attr-merge-wchar-4.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 2
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-24.d b/ld/testsuite/ld-arm/attr-merge-wchar-24.d
new file mode 100644
index 0000000..46d6c66
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-24.d
@@ -0,0 +1,5 @@
+#source: attr-merge-wchar-2.s
+#source: attr-merge-wchar-4.s
+#as:
+#ld: -r
+#warning: warning: .* uses 4-byte wchar_t yet the output is to use 2-byte wchar_t; use of wchar_t values across objects may fail
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-4.s b/ld/testsuite/ld-arm/attr-merge-wchar-4.s
new file mode 100644
index 0000000..fdd03f9
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-4.s
@@ -0,0 +1,11 @@
+ .cpu arm7tdmi
+ .fpu softvfp
+ .eabi_attribute 20, 1
+ .eabi_attribute 21, 1
+ .eabi_attribute 23, 3
+ .eabi_attribute 24, 1
+ .eabi_attribute 25, 1
+ .eabi_attribute 26, 1
+ .eabi_attribute 30, 6
+ .eabi_attribute 18, 4
+ .file "attr-merge-wchar-4.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-40-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-40-nowarn.d
new file mode 100644
index 0000000..9d6e040
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-40-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-4.s
+#source: attr-merge-wchar-0.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-40.d b/ld/testsuite/ld-arm/attr-merge-wchar-40.d
new file mode 100644
index 0000000..fcf9b54
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-40.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-4.s
+#source: attr-merge-wchar-0.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-42-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-42-nowarn.d
new file mode 100644
index 0000000..8dbc442
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-42-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-4.s
+#source: attr-merge-wchar-2.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-42.d b/ld/testsuite/ld-arm/attr-merge-wchar-42.d
new file mode 100644
index 0000000..c2aca5e
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-42.d
@@ -0,0 +1,5 @@
+#source: attr-merge-wchar-4.s
+#source: attr-merge-wchar-2.s
+#as:
+#ld: -r
+#warning: warning: .* uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-44-nowarn.d b/ld/testsuite/ld-arm/attr-merge-wchar-44-nowarn.d
new file mode 100644
index 0000000..7566d2a
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-44-nowarn.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-4.s
+#source: attr-merge-wchar-4.s
+#as:
+#ld: -r --no-wchar-size-warning
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug
diff --git a/ld/testsuite/ld-arm/attr-merge-wchar-44.d b/ld/testsuite/ld-arm/attr-merge-wchar-44.d
new file mode 100644
index 0000000..430de30
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-wchar-44.d
@@ -0,0 +1,18 @@
+#source: attr-merge-wchar-4.s
+#source: attr-merge-wchar-4.s
+#as:
+#ld: -r
+#readelf: -A
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "ARM7TDMI"
+ Tag_CPU_arch: v4T
+ Tag_ABI_PCS_wchar_t: 4
+ Tag_ABI_FP_denormal: Needed
+ Tag_ABI_FP_exceptions: Needed
+ Tag_ABI_FP_number_model: IEEE 754
+ Tag_ABI_align8_needed: Yes
+ Tag_ABI_align8_preserved: Yes, except leaf SP
+ Tag_ABI_enum_size: small
+ Tag_ABI_optimization_goals: Aggressive Debug