diff options
Diffstat (limited to 'ld/scripttempl/avr.sc')
| -rw-r--r-- | ld/scripttempl/avr.sc | 68 |
1 files changed, 36 insertions, 32 deletions
diff --git a/ld/scripttempl/avr.sc b/ld/scripttempl/avr.sc index 5d0a3a1..931ef40 100644 --- a/ld/scripttempl/avr.sc +++ b/ld/scripttempl/avr.sc @@ -24,7 +24,9 @@ cat <<EOF OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}") OUTPUT_ARCH(${ARCH}) +EOF +test -n "${RELOCATING}" && cat <<EOF __TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : $TEXT_LENGTH; __DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : $DATA_LENGTH; ${EEPROM_LENGTH+__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : $EEPROM_LENGTH;} @@ -43,7 +45,9 @@ ${EEPROM_LENGTH+ eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LE signature (rw!x) : ORIGIN = 0x840000, LENGTH = __SIGNATURE_REGION_LENGTH__ ${USER_SIGNATURE_LENGTH+ user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__} } +EOF +cat <<EOF SECTIONS { /* Read-only sections, merged into text segment: */ @@ -109,32 +113,32 @@ SECTIONS /* Internal text space or external memory. */ .text ${RELOCATING-0} : { - *(.vectors) + ${RELOCATING+*(.vectors) KEEP(*(.vectors)) /* For data that needs to reside in the lower 64k of progmem. */ - ${RELOCATING+ *(.progmem.gcc*)} + *(.progmem.gcc*) /* PR 13812: Placing the trampolines here gives a better chance that they will be in range of the code that uses them. */ - ${RELOCATING+. = ALIGN(2);} - ${CONSTRUCTING+ __trampolines_start = . ; } + . = ALIGN(2); + __trampolines_start = . ; /* The jump trampolines for the 16-bit limited relocs will reside here. */ *(.trampolines) - ${RELOCATING+ *(.trampolines*)} - ${CONSTRUCTING+ __trampolines_end = . ; } + *(.trampolines*) + __trampolines_end = . ; /* avr-libc expects these data to reside in lower 64K. */ - ${RELOCATING+ *libprintf_flt.a:*(.progmem.data)} - ${RELOCATING+ *libc.a:*(.progmem.data)} + *libprintf_flt.a:*(.progmem.data) + *libc.a:*(.progmem.data) - ${RELOCATING+ *(.progmem.*)} + *(.progmem.*) - ${RELOCATING+. = ALIGN(2);} + . = ALIGN(2); /* For code that needs to reside in the lower 128k progmem. */ *(.lowtext) - ${RELOCATING+ *(.lowtext*)} + *(.lowtext*)} ${CONSTRUCTING+ __ctors_start = . ; } ${CONSTRUCTING+ *(.ctors) } @@ -142,10 +146,10 @@ SECTIONS ${CONSTRUCTING+ __dtors_start = . ; } ${CONSTRUCTING+ *(.dtors) } ${CONSTRUCTING+ __dtors_end = . ; } - KEEP(SORT(*)(.ctors)) + ${RELOCATING+KEEP(SORT(*)(.ctors)) KEEP(SORT(*)(.dtors)) - /* From this point on, we don't bother about wether the insns are + /* From this point on, we do not bother about whether the insns are below or above the 16 bits boundary. */ *(.init0) /* Start here after reset. */ KEEP (*(.init0)) @@ -166,11 +170,11 @@ SECTIONS *(.init8) KEEP (*(.init8)) *(.init9) /* Call main(). */ - KEEP (*(.init9)) + KEEP (*(.init9))} *(.text) - ${RELOCATING+. = ALIGN(2);} - ${RELOCATING+ *(.text.*)} - ${RELOCATING+. = ALIGN(2);} + ${RELOCATING+. = ALIGN(2); + *(.text.*) + . = ALIGN(2); *(.fini9) /* _exit() starts here. */ KEEP (*(.fini9)) *(.fini8) @@ -194,18 +198,18 @@ SECTIONS /* For code that needs not to reside in the lower progmem. */ *(.hightext) - ${RELOCATING+ *(.hightext*)} + *(.hightext*) - ${RELOCATING+ *(.progmemx.*)} + *(.progmemx.*) - ${RELOCATING+. = ALIGN(2);} + . = ALIGN(2); - /* For tablejump instruction arrays. We don't relax + /* For tablejump instruction arrays. We do not relax JMP / CALL instructions within these sections. */ *(.jumptables) - ${RELOCATING+ *(.jumptables*)} + *(.jumptables*) - ${RELOCATING+ _etext = . ; } + _etext = . ;} } ${RELOCATING+ > text} EOF @@ -218,8 +222,8 @@ if test -n "$RODATA_PM_OFFSET"; then .rodata ${RELOCATING+ ADDR(.text) + SIZEOF (.text) + __RODATA_PM_OFFSET__ } ${RELOCATING-0} : { *(.rodata) - ${RELOCATING+ *(.rodata*)} - *(.gnu.linkonce.r*) + ${RELOCATING+ *(.rodata*) + *(.gnu.linkonce.r*)} } ${RELOCATING+AT> text} EOF fi @@ -229,18 +233,18 @@ cat <<EOF { ${RELOCATING+ PROVIDE (__data_start = .) ; } *(.data) - ${RELOCATING+ *(.data*)} - *(.gnu.linkonce.d*) + ${RELOCATING+ *(.data*) + *(.gnu.linkonce.d*)} EOF # Classical devices that don't show flash memory in the SRAM address space # need .rodata to be part of .data because the compiler will use LD* # instructions and LD* cannot access flash. -if test -z "$RODATA_PM_OFFSET"; then +if test -z "$RODATA_PM_OFFSET" && test -n "${RELOCATING}"; then cat <<EOF *(.rodata) /* We need to include .rodata here if gcc is used */ - ${RELOCATING+ *(.rodata*)} /* with -fdata-sections. */ + *(.rodata*) /* with -fdata-sections. */ *(.gnu.linkonce.r*) EOF fi @@ -256,7 +260,7 @@ cat <<EOF ${RELOCATING+ PROVIDE (__bss_start = .) ; } *(.bss) ${RELOCATING+ *(.bss*)} - *(COMMON) + ${RELOCATING+ *(COMMON)} ${RELOCATING+ PROVIDE (__bss_end = .) ; } } ${RELOCATING+ > data} @@ -292,9 +296,9 @@ cat <<EOF .fuse ${RELOCATING-0}: { KEEP(*(.fuse)) - KEEP(*(.lfuse)) + ${RELOCATING+KEEP(*(.lfuse)) KEEP(*(.hfuse)) - KEEP(*(.efuse)) + KEEP(*(.efuse))} } ${RELOCATING+ > fuse} EOF fi |