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2006-09-16 Paul Brook <paul@codesourcery.com>
gas/ * config/tc-arm.c (s_arm_unwind_movsp): Add offset argument. * doc/c-arm.texi (movsp): Document offset argument. gas/testsuite/ * gas/arm/unwind.s: Test two argument form of .movsp. * gas/arm/unwind.d: Update expected output. * gas/arm/unwind_vxworks.d: Ditto.
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Paul Brook
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@ -1,3 +1,8 @@
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2006-09-16 Paul Brook <paul@codesourcery.com>
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* config/tc-arm.c (s_arm_unwind_movsp): Add offset argument.
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* doc/c-arm.texi (movsp): Document offset argument.
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2006-09-16 Paul Brook <paul@codesourcery.com>
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* config/tc-arm.c (thumb32_negate_data_op): Consistently use
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@ -3628,6 +3628,7 @@ s_arm_unwind_movsp (int ignored ATTRIBUTE_UNUSED)
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{
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int reg;
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valueT op;
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int offset;
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reg = arm_reg_parse (&input_line_pointer, REG_TYPE_RN);
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if (reg == FAIL)
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@ -3636,6 +3637,16 @@ s_arm_unwind_movsp (int ignored ATTRIBUTE_UNUSED)
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ignore_rest_of_line ();
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return;
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}
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/* Optional constant. */
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if (skip_past_comma (&input_line_pointer) != FAIL)
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{
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if (immediate_for_directive (&offset) == FAIL)
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return;
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}
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else
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offset = 0;
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demand_empty_rest_of_line ();
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if (reg == REG_SP || reg == REG_PC)
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@ -3653,7 +3664,7 @@ s_arm_unwind_movsp (int ignored ATTRIBUTE_UNUSED)
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/* Record the information for later. */
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unwind.fp_reg = reg;
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unwind.fp_offset = unwind.frame_size;
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unwind.fp_offset = unwind.frame_size - offset;
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unwind.sp_restored = 1;
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}
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@ -545,8 +545,10 @@ A positive value indicates the function prologue allocated stack space by
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decrementing the stack pointer.
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@cindex @code{.movsp} directive, ARM
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@item .movsp @var{reg}
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Tell the unwinder that @var{reg} contains the current stack pointer.
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@item .movsp @var{reg} [, #@var{offset}]
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Tell the unwinder that @var{reg} contains an offset from the current
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stack pointer. If @var{offset} is not specified then it is assumed to be
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zero.
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@cindex @code{.setfp} directive, ARM
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@item .setfp @var{fpreg}, @var{spreg} [, #@var{offset}]
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@ -1,3 +1,9 @@
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2006-09-16 Paul Brook <paul@codesourcery.com>
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* gas/arm/unwind.s: Test two argument form of .movsp.
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* gas/arm/unwind.d: Update expected output.
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* gas/arm/unwind_vxworks.d: Ditto.
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2006-09-08 Kazu Hirata <kazu@codesourcery.com>
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* lib/gas-dg.exp (gas-dg-test): Treat $dir as a literal.
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@ -25,18 +25,22 @@ OFFSET TYPE VALUE
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0000001c R_ARM_PREL31 .ARM.extab.*
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00000020 R_ARM_PREL31 .text.*
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00000028 R_ARM_PREL31 .text.*
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00000030 R_ARM_PREL31 .text.*
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00000034 R_ARM_PREL31 .ARM.extab.*
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Contents of section .text:
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0000 (0000a0e3 0100a0e3 0200a0e3 0300a0e3|e3a00000 e3a00001 e3a00002 e3a00003) .*
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0010 (04200520|20052004) .*
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0010 (04200520 0600a0e3|20052004 e3a00006) .*
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Contents of section .ARM.extab:
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0000 (449b0181 b0b08086|81019b44 8680b0b0) 00000000 00000000 .*
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0010 (8402b101 b0b0b005 2a000000 00c60281|01b10284 05b0b0b0 0000002a 8102c600) .*
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0020 (d0c6c1c1 b0b0c0c6|c1c1c6d0 c6c0b0b0) 00000000 .*
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0020 (d0c6c1c1 b0b0c0c6|c1c1c6d0 c6c0b0b0) 00000000 (429b0181|81019b42) .*
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0030 (b0008086|868000b0) 00000000 .*
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Contents of section .ARM.exidx:
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0000 00000000 (b0b0a880 04000000|80a8b0b0 00000004) 00000000 .*
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0010 (08000000 0c000000 0c000000 1c000000|00000008 0000000c 0000000c 0000001c) .*
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0020 (10000000 08849780 12000000 b00fb180|00000010 80978408 00000012 80b10fb0) .*
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0030 (14000000 2c000000|00000014 0000002c) .*
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# Ignore .ARM.attributes section
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#...
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@ -51,3 +51,17 @@ foo5: @ Save r0-r3 only.
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.save {r0, r1, r2, r3}
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mov r0, #5
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.fnend
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.code 32
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foo6: @ Nested function with frame pointer
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.fnstart
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.pad #4
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@push {ip}
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.movsp ip, #4
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@mov ip, sp
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.pad #4
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.save {fp, ip, lr}
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@stmfd sp!, {fp, ip, lr, pc}
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.setfp fp, ip, #-8
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@sub fp, ip, #8
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mov r0, #6
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.fnend
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@ -24,6 +24,8 @@ OFFSET TYPE VALUE
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0000001c R_ARM_PREL31 .ARM.extab.*\+0x0000001c
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00000020 R_ARM_PREL31 .text.*\+0x00000010
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00000028 R_ARM_PREL31 .text.*\+0x00000012
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00000030 R_ARM_PREL31 .text.*\+0x00000014
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00000034 R_ARM_PREL31 .ARM.extab.*\+0x0000002c
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Contents of section .text:
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@ -32,10 +34,12 @@ Contents of section .text:
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Contents of section .ARM.extab:
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0000 (449b0181 b0b08086|81019b44 8680b0b0) 00000000 00000000 .*
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0010 (8402b101 b0b0b005 2a000000 00c60281|01b10284 05b0b0b0 0000002a 8102c600) .*
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0020 (d0c6c1c1 b0b0c0c6|c1c1c6d0 c6c0b0b0) 00000000 .*
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0020 (d0c6c1c1 b0b0c0c6|c1c1c6d0 c6c0b0b0) 00000000 (429b0181|81019b42) .*
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0030 (b0008086|868000b0) 00000000 .*
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Contents of section .ARM.exidx:
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0000 00000000 (b0b0a880|80a8b0b0) 00000000 00000000 .*
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0010 00000000 00000000 00000000 00000000 .*
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0020 00000000 (08849780|80978408) 00000000 (b00fb180|80b10fb0) .*
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0030 00000000 00000000 .*
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# Ignore .ARM.attributes section
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#...
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