+2017-06-30 Maciej W. Rozycki <macro@imgtec.com>
+
+ * config/tc-mips.c (md_convert_frag): Don't make a helper
+ expression symbol for `fix_new_exp' called with a non-zero
+ offset.
+ * testsuite/gas/mips/relax-offset.d: New test.
+ * testsuite/gas/mips/mips1@relax-offset.d: New test.
+ * testsuite/gas/mips/r3000@relax-offset.d: New test.
+ * testsuite/gas/mips/r3900@relax-offset.d: New test.
+ * testsuite/gas/mips/micromips@relax-offset.d: New test.
+ * testsuite/gas/mips/relax-offset.l: New stderr output.
+ * testsuite/gas/mips/relax-offset.s: New test source.
+ * testsuite/gas/mips/mips.exp: Run the new tests.
+
2017-06-30 Georg-Johann Lay <avr@gjlay.de>
PR gas/21683
exp.X_add_symbol = fragp->fr_symbol;
exp.X_add_number = fragp->fr_offset;
- if (fragp->fr_offset)
- {
- exp.X_add_symbol = make_expr_symbol (&exp);
- exp.X_add_number = 0;
- }
-
fixp = fix_new_exp (fragp, buf - fragp->fr_literal, 4, &exp,
FALSE, BFD_RELOC_MIPS_GOT16);
fixp->fx_file = fragp->fr_file;
insn = HAVE_64BIT_ADDRESSES ? 0xdc1c0000 : 0xfc1c0000;
insn |= at << MICROMIPSOP_SH_RT;
- if (exp.X_add_number)
- {
- exp.X_add_symbol = make_expr_symbol (&exp);
- exp.X_add_number = 0;
- }
-
fixp = fix_new_exp (fragp, buf - fragp->fr_literal, 4, &exp, FALSE,
BFD_RELOC_MICROMIPS_GOT16);
fixp->fx_file = fragp->fr_file;
--- /dev/null
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS PIC branch relaxation with offset
+#as: -32 -relax-branch
+#stderr: relax-offset.l
+#source: relax-offset.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 41bc 0000 lui gp,0x0
+[ ]*[0-9a-f]+: R_MICROMIPS_HI16 _gp_disp
+[0-9a-f]+ <[^>]*> 339c 0000 addiu gp,gp,0
+[ ]*[0-9a-f]+: R_MICROMIPS_LO16 _gp_disp
+[0-9a-f]+ <[^>]*> 033c e150 addu gp,gp,t9
+[0-9a-f]+ <[^>]*> 40a4 fffe bnezc a0,0000000c <foo\+0xc>
+[ ]*[0-9a-f]+: R_MICROMIPS_PC16_S1 .*
+[0-9a-f]+ <[^>]*> fc3c 0002 lw at,2\(gp\)
+[ ]*[0-9a-f]+: R_MICROMIPS_GOT16 \.text
+[0-9a-f]+ <[^>]*> 3021 0025 addiu at,at,37
+[ ]*[0-9a-f]+: R_MICROMIPS_LO16 \.text
+[0-9a-f]+ <[^>]*> 45a1 jrc at
+[0-9a-f]+ <[^>]*> 45bf jrc ra
+ \.\.\.
+[0-9a-f]+ <[^>]*> 0000 8b7c syscall
+[0-9a-f]+ <[^>]*> 45bf jrc ra
+ \.\.\.
run_dump_test_arches "relax" [mips_arch_list_matching mips2 !mips32r6]
run_dump_test_arches "relax-at" [mips_arch_list_matching mips2 !mips32r6]
+ run_dump_test_arches "relax-offset" [mips_arch_list_matching mips1 \
+ !mips32r6]
run_dump_test "relax-swap1-mips1"
run_dump_test "relax-swap1-mips2"
run_dump_test "relax-swap2"
--- /dev/null
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS PIC branch relaxation with offset
+#as: -32 -relax-branch
+#stderr: relax-offset.l
+#source: relax-offset.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 3c1c0000 lui gp,0x0
+[ ]*[0-9a-f]+: R_MIPS_HI16 _gp_disp
+[0-9a-f]+ <[^>]*> 279c0000 addiu gp,gp,0
+[ ]*[0-9a-f]+: R_MIPS_LO16 _gp_disp
+[0-9a-f]+ <[^>]*> 0399e021 addu gp,gp,t9
+[0-9a-f]+ <[^>]*> 14800005 bnez a0,00000024 <foo\+0x24>
+[0-9a-f]+ <[^>]*> 00000000 nop
+[0-9a-f]+ <[^>]*> 8f810002 lw at,2\(gp\)
+[ ]*[0-9a-f]+: R_MIPS_GOT16 \.text
+[0-9a-f]+ <[^>]*> 00000000 nop
+[0-9a-f]+ <[^>]*> 24210034 addiu at,at,52
+[ ]*[0-9a-f]+: R_MIPS_LO16 \.text
+[0-9a-f]+ <[^>]*> 00200008 jr at
+[0-9a-f]+ <[^>]*> 00000000 nop
+[0-9a-f]+ <[^>]*> 03e00008 jr ra
+[0-9a-f]+ <[^>]*> 00000000 nop
+ \.\.\.
+[0-9a-f]+ <[^>]*> 0000000c syscall
+[0-9a-f]+ <[^>]*> 03e00008 jr ra
+[0-9a-f]+ <[^>]*> 00000000 nop
+ \.\.\.
--- /dev/null
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS PIC branch relaxation with offset
+#as: -32 -relax-branch
+#stderr: relax-offset.l
+#source: relax-offset.s
+#dump: mips1@relax-offset.d
--- /dev/null
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS PIC branch relaxation with offset
+#as: -32 -relax-branch
+#stderr: relax-offset.l
+#source: relax-offset.s
+#dump: mips1@relax-offset.d
--- /dev/null
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS PIC branch relaxation with offset
+#as: -32 -relax-branch
+#stderr: relax-offset.l
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 3c1c0000 lui gp,0x0
+[ ]*[0-9a-f]+: R_MIPS_HI16 _gp_disp
+[0-9a-f]+ <[^>]*> 279c0000 addiu gp,gp,0
+[ ]*[0-9a-f]+: R_MIPS_LO16 _gp_disp
+[0-9a-f]+ <[^>]*> 0399e021 addu gp,gp,t9
+[0-9a-f]+ <[^>]*> 14800004 bnez a0,00000020 <foo\+0x20>
+[0-9a-f]+ <[^>]*> 00000000 nop
+[0-9a-f]+ <[^>]*> 8f810002 lw at,2\(gp\)
+[ ]*[0-9a-f]+: R_MIPS_GOT16 \.text
+[0-9a-f]+ <[^>]*> 24210034 addiu at,at,52
+[ ]*[0-9a-f]+: R_MIPS_LO16 \.text
+[0-9a-f]+ <[^>]*> 00200008 jr at
+[0-9a-f]+ <[^>]*> 00000000 nop
+[0-9a-f]+ <[^>]*> 03e00008 jr ra
+[0-9a-f]+ <[^>]*> 00000000 nop
+ \.\.\.
+[0-9a-f]+ <[^>]*> 0000000c syscall
+[0-9a-f]+ <[^>]*> 03e00008 jr ra
+[0-9a-f]+ <[^>]*> 00000000 nop
+ \.\.\.
--- /dev/null
+.*: Assembler messages:
+.*:10: Warning: relaxed out-of-range branch into a jump
--- /dev/null
+ .abicalls
+
+ .align 4, 0
+ .globl foo
+ .ent foo
+foo:
+ .set noreorder
+ .cpload $25
+ .set reorder
+ beq $4, $0, bar + 4
+ jr $31
+
+ .space 131072
+
+ .align 4, 0
+bar:
+ syscall
+ jr $31
+ .end foo
+
+# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
+ .space 16
+ .align 4, 0
+2017-06-30 Maciej W. Rozycki <macro@imgtec.com>
+
+ * testsuite/ld-mips-elf/relax-offset.dd: New test.
+ * testsuite/ld-mips-elf/relax-offset.gd: New test.
+ * testsuite/ld-mips-elf/relax-offset-umips.dd: New test.
+ * testsuite/ld-mips-elf/relax-offset-umips.gd: New test.
+ * testsuite/ld-mips-elf/relax-offset.ld: New test linker script.
+ * testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.
+ (prune_warnings): New temporary procedure.
+
2017-06-28 Maciej W. Rozycki <macro@imgtec.com>
* testsuite/ld-mips-elf/mips-elf-flags.exp: Add interAptiv MR2
# Check that the ISA level is consistently II for the LSI 4010.
run_dump_test "lsi-4010-isa" [list [list ld $abi_ldflags(o32)]]
+
+# PIC branch relaxation with offset tests. We need to use our version
+# of `prune_warnings' to get rid of GAS branch relaxation noise.
+rename prune_warnings mips_old_prune_warnings
+proc prune_warnings { msg } {
+ set msg1 "Assembler messages:"
+ set msg2 "Warning: relaxed out-of-range branch into a jump"
+ set msgx "(?:$msg1|$msg2)"
+ regsub -all "(^|\[\n\r\]*)\[^\n\r\]*: $msgx\[\n\r\]*" $msg "\\1" msg
+ return [mips_old_prune_warnings $msg]
+}
+run_ld_link_tests [list \
+ [list \
+ "MIPS link PIC branch relaxation with offset" \
+ "$abi_ldflags(o32) -shared -T relax-offset.ld" "" \
+ "$abi_asflags(o32) -relax-branch -mips2" \
+ {../../../gas/testsuite/gas/mips/relax-offset.s} \
+ {{objdump \
+ {-d --prefix-addresses --show-raw-insn} \
+ relax-offset.dd} \
+ {readelf -A relax-offset.gd}} \
+ "relax-offset"] \
+ [list \
+ "microMIPS link PIC branch relaxation with offset" \
+ "$abi_ldflags(o32) -shared -T relax-offset.ld" "" \
+ "$abi_asflags(o32) -relax-branch -mmicromips" \
+ {../../../gas/testsuite/gas/mips/relax-offset.s} \
+ {{objdump \
+ {-d --prefix-addresses --show-raw-insn} \
+ relax-offset-umips.dd} \
+ {readelf -A relax-offset-umips.gd}} \
+ "relax-offset-umips"]]
+rename prune_warnings ""
+rename mips_old_prune_warnings prune_warnings
--- /dev/null
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+00000000 <.*> 41bc 0003 lui gp,0x3
+00000004 <.*> 339c 802f addiu gp,gp,-32721
+00000008 <.*> 033c e150 addu gp,gp,t9
+0000000c <.*> 40a4 0005 bnezc a0,0000001a <.*>
+00000010 <.*> fc3c 8018 lw at,-32744\(gp\)
+00000014 <.*> 3021 0025 addiu at,at,37
+00000018 <.*> 45a1 jrc at
+0000001a <.*> 45bf jrc ra
+ \.\.\.
+00020020 <.*> 0000 8b7c syscall
+00020024 <.*> 45bf jrc ra
+ \.\.\.
--- /dev/null
+Primary GOT:
+ Canonical gp value: 00028030
+
+ Reserved entries:
+ Address Access Initial Purpose
+ 00020040 -32752\(gp\) 00000000 Lazy resolver
+ 00020044 -32748\(gp\) 80000000 Module pointer \(GNU extension\)
+
+ Local entries:
+ Address Access Initial
+ 00020048 -32744\(gp\) 00020000
--- /dev/null
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+00000000 <.*> 3c1c0003 lui gp,0x3
+00000004 <.*> 279c8040 addiu gp,gp,-32704
+00000008 <.*> 0399e021 addu gp,gp,t9
+0000000c <.*> 14800004 bnez a0,00000020 <.*>
+00000010 <.*> 00000000 nop
+00000014 <.*> 8f818018 lw at,-32744\(gp\)
+00000018 <.*> 24210034 addiu at,at,52
+0000001c <.*> 00200008 jr at
+00000020 <.*> 00000000 nop
+00000024 <.*> 03e00008 jr ra
+00000028 <.*> 00000000 nop
+ \.\.\.
+00020030 <.*> 0000000c syscall
+00020034 <.*> 03e00008 jr ra
+00020038 <.*> 00000000 nop
+ \.\.\.
--- /dev/null
+Primary GOT:
+ Canonical gp value: 00028040
+
+ Reserved entries:
+ Address Access Initial Purpose
+ 00020050 -32752\(gp\) 00000000 Lazy resolver
+ 00020054 -32748\(gp\) 80000000 Module pointer \(GNU extension\)
+
+ Local entries:
+ Address Access Initial
+ 00020058 -32744\(gp\) 00020000
--- /dev/null
+ENTRY (foo);
+SECTIONS
+{
+ .text : { *(.text) }
+ HIDDEN (_gp = ALIGN(16) + 0x7ff0);
+ .got : { *(.got) }
+ .dynamic : { *(.dynamic) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .pdr : { *(.pdr) }
+ .shstrtab : { *(.shstrtab) }
+ .symtab : { *(.symtab) }
+ .strtab : { *(.strtab) }
+ /DISCARD/ : { *(*) }
+}
projects / thirdparty / binutils-gdb.git / commitdiff
