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gcc __attribute__((constructor)): Remove hacked calling, move ctor sections to flash

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More hacky moving of parts of .rodata to flash, until we can move all of
it.

Candidate fix for #128
This commit is contained in:
Angus Gratton 2016-02-09 16:06:25 +11:00
parent 2badeed523
commit b61b62136b
4 changed files with 33 additions and 46 deletions
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45
ld/common.ld
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@ -139,13 +139,34 @@ SECTIONS
(except for libgcc which is matched above.)
*/
*(.literal .text .literal.* .text.*)
/* Anything explicitly marked as "irom" or "irom0" should go here */
*(.irom.* .irom.*.* .irom0.*)
_irom0_text_end = ABSOLUTE(.);
/* Temporary .rodata hacks start here, eventually all rodata will
be in irom by default */
/* mbedtls rodata */
*mbedtls.a:*.o(.rodata.* .rodata)
/* actual certificate in example (TEMPORARY HACK) */
*:cert.o(.rodata.* .rodata)
/* Anything explicitly marked as "irom" or "irom0" should go here */
*(.irom.* .irom.*.* .irom0.*)
_irom0_text_end = ABSOLUTE(.);
/* C++ constructor and destructor tables, properly ordered: */
__init_array_start = ABSOLUTE(.);
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__init_array_end = ABSOLUTE(.);
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/* C++ exception handlers table: */
__XT_EXCEPTION_DESCS__ = ABSOLUTE(.);
*(.xt_except_desc)
*(.gnu.linkonce.h.*)
__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
*(.xt_except_desc_end)
} >irom0_0_seg :irom0_0_phdr
.data : ALIGN(4)
@ -179,23 +200,6 @@ SECTIONS
*(.gnu.version_r)
*(.eh_frame)
. = (. + 3) & ~ 3;
/* C++ constructor and destructor tables, properly ordered: */
__init_array_start = ABSOLUTE(.);
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__init_array_end = ABSOLUTE(.);
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/* C++ exception handlers table: */
__XT_EXCEPTION_DESCS__ = ABSOLUTE(.);
*(.xt_except_desc)
*(.gnu.linkonce.h.*)
__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
*(.xt_except_desc_end)
*(.dynamic)
*(.gnu.version_d)
. = ALIGN(4); /* this table MUST be 4-byte aligned */
@ -230,7 +234,6 @@ SECTIONS
} >dram0_0_seg :dram0_0_bss_phdr
/* __stack = 0x3ffc8000; */
.lit4 : ALIGN(4)
{
_lit4_start = ABSOLUTE(.);