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ghs: fix the UsageFault:INVSTATE error triggered by exception_common
when we build with greenhills compiler, if the exception_common function is put into a separate section: ".text.exception_common", then the address of exception_common function is an even number, for example "0x16a6c", in this case, it will trigger the UsageFaults:INVSTATE error. The reason for this error is that in the GHS compiler, a section declared through the ".section" directive must specify at least the "a" attribute. Otherwise, this section will not be linked into the final file, and this is why the address of exception_common function is invalid. The following is the official explanation in the GHS compiler documentation: "The reason for this error is that in the GHS compiler, a section declared through the .section directive must specify at least the "a" attribute. Otherwise, this section will not be linked into the final file. The following is the official explanation in the documentation: "Sections that are intended be part of the final linked output should have at least the `a` attribute" and for GHS compiler, the .text section is recommended specify the attribute of `ax`. Signed-off-by: guoshichao <guoshichao@xiaomi.com>
This commit is contained in:
guoshichao
Xiang Xiao
@@ -113,7 +113,7 @@
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*/
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.text
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.section .text.exception_common
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.section .text.exception_common, "ax"
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#ifdef __ghs__
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.type exception_common, $function
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#else
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@@ -29,7 +29,7 @@
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#include "arm_fork.h"
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MODULE up_fork
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SECTION .text:CODE:NOROOT(2)
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SECTION .text:CODE:NOROOT(2), "ax"
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/****************************************************************************
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* Pre-processor Definitions
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@@ -21,7 +21,7 @@
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****************************************************************************/
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -193,7 +193,7 @@ _modulelist_power_mgr:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -319,7 +319,7 @@ _modulelist_flash_mgr:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -389,7 +389,7 @@ _modulelist_rtc_mgr:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -551,7 +551,7 @@ _modulelist_gnss_pwr:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -591,7 +591,7 @@ _modulelist_aca:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -631,7 +631,7 @@ _modulelist_pinconfig:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -707,7 +707,7 @@ _modulelist_uart:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -783,7 +783,7 @@ _modulelist_update_mgr:
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.word 0
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.syntax unified
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.section .text.stub
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.section .text.stub, "ax"
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.align 1
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1:
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push {r0-r3}
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@@ -22,7 +22,7 @@
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/* Place a branch to the real head at the entry point */
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.section .text.start
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.section .text.start, "ax"
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b __start
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/* Exception Vectors like they are needed for the exception vector
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@@ -30,7 +30,7 @@
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* linked to appear at 0x80001c
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*/
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.section .text.exceptions
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.section .text.exceptions, "ax"
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_undef_instr:
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b arm_vectorundefinsn
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_sw_interr:
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@@ -404,7 +404,7 @@ __irq:
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tjl tc32_exception
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ASMEND:
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.section .bss
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.section .bss, "aw"
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.global g_intstackalloc
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.global g_intstacktop
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.align 4
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@@ -58,7 +58,7 @@
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/* DDR training binaries via incbin */
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 64 \n"
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" .globl g_dmem1d_begin \n"
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"g_dmem1d_begin: \n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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".section .rodata\n"
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".section .rodata, \"a\"\n"
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".balign 16\n"
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".globl romfs_data_begin\n"
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"romfs_data_begin:\n"
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@@ -71,7 +71,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -71,7 +71,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -83,7 +83,7 @@
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****************************************************************************/
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__asm__ (
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".section .rodata\n"
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".section .rodata, \"a\"\n"
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".balign 16\n"
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".globl romfs_data_begin\n"
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"romfs_data_begin:\n"
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@@ -84,7 +84,7 @@
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****************************************************************************/
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__asm__ (
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".section .rodata\n"
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".section .rodata, \"a\"\n"
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".balign 16\n"
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".globl romfs_data_begin\n"
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"romfs_data_begin:\n"
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@@ -83,7 +83,7 @@
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****************************************************************************/
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__asm__ (
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".section .rodata\n"
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".section .rodata, \"a\"\n"
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".balign 16\n"
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".globl romfs_data_begin\n"
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"romfs_data_begin:\n"
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@@ -69,7 +69,7 @@
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****************************************************************************/
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__asm__ (
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" .section .rodata \n"
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" .section .rodata, \"a\" \n"
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" .balign 16 \n"
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" .globl romfs_data_begin \n"
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"romfs_data_begin: \n"
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@@ -136,7 +136,7 @@
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*/
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.text
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.section .text.memchr
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.section .text.memchr, "ax"
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.thumb_func
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.align 4
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.p2align 4,,15
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@@ -94,7 +94,7 @@
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.syntax unified
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.text
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.section .text.memcpy
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.section .text.memcpy, "ax"
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.align 2
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.global ARCH_LIBCFUN(memcpy)
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.thumb
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@@ -72,7 +72,7 @@
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.macro def_fn f p2align=0
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.text
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.section .text.strcmp
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.section .text.strcmp, "ax"
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.p2align \p2align
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.global \f
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.type \f, %function
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@@ -60,7 +60,7 @@
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.syntax unified
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.text
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.section .text.strcpy
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.section .text.strcpy, "ax"
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.align 2
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.global ARCH_LIBCFUN(strcpy)
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.thumb
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@@ -70,7 +70,7 @@
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.macro def_fn f p2align=0
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.text
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.section .text.strlen
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.section .text.strlen, "ax"
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.p2align \p2align
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.global \f
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.type \f, %function
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