2013-04-10 Venkataramanan Kumar <venkataramanan.kumar@linaro.org>

        * ld-aarch64/gc-plt1.s: New file.
        * ld-aarch64/gc-plt2.s: Likewise.
        * ld-aarch64/gc-plt-hidden.s: Likewise.
        * ld-aarch64/gc-plt-main.s: Likewise.
        * ld-aarch64/gc-relocs-257.s: Likewise.
        * ld-aarch64/gc-plt-relocs.d: Update expected objdump.
        * ld-aarch64/gc-relocs-257.d: Likewise.
        * ld-aarch64/gc-relocs-257-dyn.d: Likewise.
        * ld-aarch64/aarch64-elf.exp: Add test.

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index b105b5257d9324fd66bf486d6967ecb539b7317e..d11c4e5fba25c5f1d9b790a9a1cff01cb2150ebe 100644 (file)
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,15 @@
+2013-04-10  Venkataramanan Kumar  <venkataramanan.kumar@linaro.org>
+
+       * ld-aarch64/gc-plt1.s: New file.
+       * ld-aarch64/gc-plt2.s: Likewise.
+       * ld-aarch64/gc-plt-hidden.s: Likewise.
+       * ld-aarch64/gc-plt-main.s: Likewise.
+       * ld-aarch64/gc-relocs-257.s: Likewise.
+       * ld-aarch64/gc-plt-relocs.d: Update expected objdump.
+       * ld-aarch64/gc-relocs-257.d: Likewise.
+       * ld-aarch64/gc-relocs-257-dyn.d: Likewise.
+       * ld-aarch64/aarch64-elf.exp: Add test.
+
 2013-04-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 
        * ld-aarch64/gc-tls-relocs.d: Handle big endian format.

diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp
index f913fe6d1d0d6ce717b452933768daec9461b1db..d687cc23db1f3c385d911d58e86cc1311572e9fa 100644 (file)
--- a/ld/testsuite/ld-aarch64/aarch64-elf.exp
+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp
@@ -111,3 +111,6 @@ run_dump_test "tls-relax-ie-le-3"
 run_dump_test "tlsle-symbol-offset"
 run_dump_test "gc-got-relocs"
 run_dump_test "gc-tls-relocs"
+run_dump_test "gc-plt-relocs"
+run_dump_test "gc-relocs-257-dyn"
+run_dump_test "gc-relocs-257"

diff --git a/ld/testsuite/ld-aarch64/gc-plt-hidden.s b/ld/testsuite/ld-aarch64/gc-plt-hidden.s
new file mode 100644 (file)
index 0000000..bb6fe75
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-plt-hidden.s
@@ -0,0 +1,7 @@
+       .text
+       .globl hidfn
+       .hidden hidfn
+       .type hidfn, %function
+hidfn:
+       and x0, x0, x0
+       .size hidfn, . - hidfn

diff --git a/ld/testsuite/ld-aarch64/gc-plt-main.s b/ld/testsuite/ld-aarch64/gc-plt-main.s
new file mode 100644 (file)
index 0000000..6f6c903
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-plt-main.s
@@ -0,0 +1,8 @@
+       .data
+       .global var
+       .text
+       .globl _start
+       .type _start, %function
+_start:
+       bl      foo
+       .size _start, . - _start

diff --git a/ld/testsuite/ld-aarch64/gc-plt-relocs.d b/ld/testsuite/ld-aarch64/gc-plt-relocs.d
new file mode 100644 (file)
index 0000000..6c4d3ca
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-plt-relocs.d
@@ -0,0 +1,48 @@
+#source: gc-plt1.s
+#source: gc-plt-main.s
+#source: gc-plt-hidden.s
+#source: gc-plt2.s
+#ld: --gc-sections -T aarch64.ld --shared
+#objdump: -dT
+
+# Shared object with plt related relocs against global symbol
+# and local functions gced.  After gc-section removal we are
+# checking that the function does not exist.
+
+.*:     file format elf64-(little|big)aarch64
+
+DYNAMIC SYMBOL TABLE:
+0+8000 l    d  \.text  0+ \.text
+0+8000 g    DF \.text  0+4 _start
+0+0000      D  \*UND\* 0+ foo
+0+8008 g    DF \.text  0+ bar
+
+Disassembly of section .text:
+
+0+8000 \<_start\>:
+    8000:      9400000c        bl      8030 \<foo\+0x24\>
+
+0+8004 \<hidfn\>:
+    8004:      8a000000        and     x0, x0, x0
+
+0+8008 \<bar\>:
+    8008:      14000001        b       800c \<foo\>
+
+0+800c \<foo\>:
+    800c:      97fffffe        bl      8004 \<hidfn\>
+
+Disassembly of section .plt:
+
+0+8010 \<\.plt\>:
+    8010:      a9bf7bf0        stp     x16, x30, \[sp,#-16\]!
+    8014:      b0000010        adrp    x16, 9000 .*
+    8018:      f9400a11        ldr     x17, \[x16,#16\]
+    801c:      91004210        add     x16, x16, #0x10
+    8020:      d61f0220        br      x17
+    8024:      d503201f        nop
+    8028:      d503201f        nop
+    802c:      d503201f        nop
+    8030:      b0000010        adrp    x16, 9000 .*
+    8034:      f9400e11        ldr     x17, \[x16,#24\]
+    8038:      91006210        add     x16, x16, #0x18
+    803c:      d61f0220        br      x17

diff --git a/ld/testsuite/ld-aarch64/gc-plt1.s b/ld/testsuite/ld-aarch64/gc-plt1.s
new file mode 100644 (file)
index 0000000..b786353
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-plt1.s
@@ -0,0 +1,9 @@
+plt_relocs:
+       adrp x0, :pg_hi21:var
+       ldr  x0, [x0, :lo12:var]
+
+       adrp x1, :pg_hi21_nc:var
+       ldr  x1, [x1, :lo12:var]
+
+       b bar
+       bl foo

diff --git a/ld/testsuite/ld-aarch64/gc-plt2.s b/ld/testsuite/ld-aarch64/gc-plt2.s
new file mode 100644 (file)
index 0000000..e9fb4cb
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-plt2.s
@@ -0,0 +1,11 @@
+       .text
+       .align  2
+       .global bar
+       .type   bar, %function
+bar:
+       b foo
+
+       .align  2
+       .type   foo, %function
+foo:
+       bl hidfn

diff --git a/ld/testsuite/ld-aarch64/gc-relocs-257-dyn.d b/ld/testsuite/ld-aarch64/gc-relocs-257-dyn.d
new file mode 100644 (file)
index 0000000..f1f7eb6
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-relocs-257-dyn.d
@@ -0,0 +1,16 @@
+#source: gc-start.s
+#source: gc-relocs-257.s
+#ld: --defsym tempy=0x11012 --defsym tempy2=0x45034 --defsym tempy3=0x1234   -T aarch64.ld   -shared  --gc-sections
+#objdump: -R -d
+
+# This tests if the linker is able to remove dynamic relocs created
+# for R_AARCH64_ABS64 while removing a gc section.  The section is
+# also removed.  So after gc, we should be left with the startup code.
+
+.*:     file format elf64-(little|big)aarch64
+
+
+Disassembly of section .text:
+
+0+8000 \<_start\>:
+    8000:      d503201f        nop

diff --git a/ld/testsuite/ld-aarch64/gc-relocs-257.d b/ld/testsuite/ld-aarch64/gc-relocs-257.d
new file mode 100644 (file)
index 0000000..ffa7571
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-relocs-257.d
@@ -0,0 +1,16 @@
+#source: gc-start.s
+#source: gc-relocs-257.s
+#ld: --defsym tempy=0x11012 --defsym tempy2=0x45034 --defsym tempy3=0x1234   -T aarch64.ld  --gc-sections
+#objdump:  -d
+
+# This tests if linker is able to remove gc section containing
+# R_AARCH64_ABS64 relocs.  So after gc, we should be left with
+# only the startup code.
+
+.*:     file format elf64-(little|big)aarch64
+
+
+Disassembly of section .text:
+
+0+8000 \<_start\>:
+    8000:      d503201f        nop

diff --git a/ld/testsuite/ld-aarch64/gc-relocs-257.s b/ld/testsuite/ld-aarch64/gc-relocs-257.s
new file mode 100644 (file)
index 0000000..dcc9db1
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/gc-relocs-257.s
@@ -0,0 +1,8 @@
+       .text
+       .word   tempy
+       .xword  tempy2
+       .hword  tempy3
+       .hword  tempy3+8
+
+       and     x0, x0, x0
+       and     x0, x0, #0x1