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authorPiotr Esden-Tempski2012-03-18 22:59:31 -0700
committerPiotr Esden-Tempski2012-03-18 22:59:31 -0700
commit4fbd42148ad61642278344ba13615b56ffa3284e (patch)
tree0d8a67f82e3a0e5df17f1edd2f1f9ea73ccbdd75
parent4e26104c188148431424063af75a1c99cdafd6ae (diff)
Added basic exception handling to the stm32 linker scripts. Thanks Mike Smith!
-rw-r--r--lib/stm32/f1/libopencm3_stm32f1.ld32
-rw-r--r--lib/stm32/f2/libopencm3_stm32f2.ld32
-rw-r--r--lib/stm32/f4/libopencm3_stm32f4.ld32
3 files changed, 48 insertions, 48 deletions
diff --git a/lib/stm32/f1/libopencm3_stm32f1.ld b/lib/stm32/f1/libopencm3_stm32f1.ld
index 1dbc62a..0624b96 100644
--- a/lib/stm32/f1/libopencm3_stm32f1.ld
+++ b/lib/stm32/f1/libopencm3_stm32f1.ld
@@ -38,36 +38,36 @@ SECTIONS
. = ALIGN(4);
*(.rodata*) /* Read-only data */
. = ALIGN(4);
- _etext = .;
} >rom
- . = ORIGIN(ram);
+ /* exception index - required due to libgcc.a issuing /0 exceptions */
+ __exidx_start = .;
+ .ARM.exidx : {
+ *(.ARM.exidx*)
+ } > rom
+ __exidx_end = .;
- .data : AT(_etext) {
+
+ _etext = .;
+
+ .data : {
_data = .;
*(.data*) /* Read-write initialized data */
. = ALIGN(4);
_edata = .;
- } >ram
+ } >ram AT >rom
.bss : {
*(.bss*) /* Read-write zero initialized data */
*(COMMON)
. = ALIGN(4);
_ebss = .;
- } >ram AT >rom
-
- /*
- * The .eh_frame section appears to be used for C++ exception handling.
- * You may need to fix this if you're using C++.
- */
- /DISCARD/ : { *(.eh_frame) }
+ } >ram
- /*
- * Another section used by C++ stuff, appears when using newlib with
- * 64bit (long long) printf support - discard it for now.
- */
- /DISCARD/ : { *(.ARM.exidx) }
+ /* exception unwind data - required due to libgcc.a issuing /0 exceptions */
+ .ARM.extab : {
+ *(.ARM.extab*)
+ } >ram
. = ALIGN(4);
end = .;
diff --git a/lib/stm32/f2/libopencm3_stm32f2.ld b/lib/stm32/f2/libopencm3_stm32f2.ld
index 1dbc62a..0624b96 100644
--- a/lib/stm32/f2/libopencm3_stm32f2.ld
+++ b/lib/stm32/f2/libopencm3_stm32f2.ld
@@ -38,36 +38,36 @@ SECTIONS
. = ALIGN(4);
*(.rodata*) /* Read-only data */
. = ALIGN(4);
- _etext = .;
} >rom
- . = ORIGIN(ram);
+ /* exception index - required due to libgcc.a issuing /0 exceptions */
+ __exidx_start = .;
+ .ARM.exidx : {
+ *(.ARM.exidx*)
+ } > rom
+ __exidx_end = .;
- .data : AT(_etext) {
+
+ _etext = .;
+
+ .data : {
_data = .;
*(.data*) /* Read-write initialized data */
. = ALIGN(4);
_edata = .;
- } >ram
+ } >ram AT >rom
.bss : {
*(.bss*) /* Read-write zero initialized data */
*(COMMON)
. = ALIGN(4);
_ebss = .;
- } >ram AT >rom
-
- /*
- * The .eh_frame section appears to be used for C++ exception handling.
- * You may need to fix this if you're using C++.
- */
- /DISCARD/ : { *(.eh_frame) }
+ } >ram
- /*
- * Another section used by C++ stuff, appears when using newlib with
- * 64bit (long long) printf support - discard it for now.
- */
- /DISCARD/ : { *(.ARM.exidx) }
+ /* exception unwind data - required due to libgcc.a issuing /0 exceptions */
+ .ARM.extab : {
+ *(.ARM.extab*)
+ } >ram
. = ALIGN(4);
end = .;
diff --git a/lib/stm32/f4/libopencm3_stm32f4.ld b/lib/stm32/f4/libopencm3_stm32f4.ld
index 1dbc62a..0624b96 100644
--- a/lib/stm32/f4/libopencm3_stm32f4.ld
+++ b/lib/stm32/f4/libopencm3_stm32f4.ld
@@ -38,36 +38,36 @@ SECTIONS
. = ALIGN(4);
*(.rodata*) /* Read-only data */
. = ALIGN(4);
- _etext = .;
} >rom
- . = ORIGIN(ram);
+ /* exception index - required due to libgcc.a issuing /0 exceptions */
+ __exidx_start = .;
+ .ARM.exidx : {
+ *(.ARM.exidx*)
+ } > rom
+ __exidx_end = .;
- .data : AT(_etext) {
+
+ _etext = .;
+
+ .data : {
_data = .;
*(.data*) /* Read-write initialized data */
. = ALIGN(4);
_edata = .;
- } >ram
+ } >ram AT >rom
.bss : {
*(.bss*) /* Read-write zero initialized data */
*(COMMON)
. = ALIGN(4);
_ebss = .;
- } >ram AT >rom
-
- /*
- * The .eh_frame section appears to be used for C++ exception handling.
- * You may need to fix this if you're using C++.
- */
- /DISCARD/ : { *(.eh_frame) }
+ } >ram
- /*
- * Another section used by C++ stuff, appears when using newlib with
- * 64bit (long long) printf support - discard it for now.
- */
- /DISCARD/ : { *(.ARM.exidx) }
+ /* exception unwind data - required due to libgcc.a issuing /0 exceptions */
+ .ARM.extab : {
+ *(.ARM.extab*)
+ } >ram
. = ALIGN(4);
end = .;