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[Bug ld/21458] ld generates none ARM elf ABI compliant code that causes

From: Andrewgoedhart at gmail dot com
Subject: [Bug ld/21458] ld generates none ARM elf ABI compliant code that causes a hard fault.
Date: Thu, 04 May 2017 01:03:02 +0000


--- Comment #2 from Andrew Goedhart <Andrewgoedhart at gmail dot com> ---
Created attachment 10037
  --> https://sourceware.org/bugzilla/attachment.cgi?id=10037&action=edit
Patch to fix R_ARM_THM_ALU_PREL hard fault/abi relocation error

Tested. After applying patch generates correct code with lsb set at addresses:
0xd720, 0xd738, 0x7d52

0000d710: 0x00000192   str     r2, [sp, #4]
0000d712: 0x00000023   movs    r3, #0
0000d714: 0x43f69822   movw    r2, #15000      ; 0x3a98
0000d718: 0x00000092   str     r2, [sp, #0]
0000d71a: 0x00008218   adds    r2, r0, r2
0000d71c: 0x00004b41   adcs    r3, r1
0000d71e: 0x00000021   movs    r1, #0
0000d720: 0x0ff27500   addw    r0, pc, #117    ; 0x75
0000d724: 0x0ef023b9   b.w     0x1b96e <g3_timed_events_add>
0000d728: 0x00000192   str     r2, [sp, #4]
0000d72a: 0x00000023   movs    r3, #0
0000d72c: 0x4ef66022   movw    r2, #60000      ; 0xea60
0000d730: 0x00000092   str     r2, [sp, #0]
0000d732: 0x00008218   adds    r2, r0, r2
0000d734: 0x00004b41   adcs    r3, r1
0000d736: 0x00000021   movs    r1, #0
0000d738: 0x0ff24100   addw    r0, pc, #65     ; 0x41
0000d73c: 0x0ef017b9   b.w     0x1b96e <g3_timed_events_add>
0000d740: 0x00000192   str     r2, [sp, #4]
0000d742: 0x4ff4fa62   mov.w   r2, #2000       ; 0x7d0
0000d746: 0x00000092   str     r2, [sp, #0]
0000d748: 0x10f5fa62   adds.w  r2, r0, #2000   ; 0x7d0
0000d74c: 0x41f10003   adc.w   r3, r1, #0
0000d750: 0x00000021   movs    r1, #0
0000d752: 0x0ff26100   addw    r0, pc, #97     ; 0x61
0000d756: 0x0ef00ab9   b.w     0x1b96e <g3_timed_events_add>

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