avr-arch.h (avr_mcu_t): Add text section start attribute.

	* config/avr/avr-arch.h (avr_mcu_t): Add text section start attribute.
	* config/avr/avr-devices.c (AVR_MCU): Same.
	(avr_mcu_types): add text start value to end of device list.
	* config/avr/avr-mcus.def: Add text section start for all devices.
	(ata5782): Add new avr5 device.
	(ata5831): Same.
	* config/avr/avr-tables.opt: Regenerate.
	* config/avr/avr.h: Add declaration for text section start handler.
	(EXTRA_SPEC_FUNCTIONS): Add text section start handler to SPEC function=
s.
	(LINK_SPEC): Include text section start handler to linker spec.
	* config/avr/driver-avr.c (avr_device_to_text_start): New function to
	pass -Ttext option to linker if the text section start for the device i=
s
	not zero.
	* config/avr/t-multilib: Regenerate.
	* doc/avr-mmcu.texi: Regenerate.

From-SVN: r212461

gcc/ChangeLog

+2014-07-11  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+
+	* config/avr/avr-arch.h (avr_mcu_t): Add text section start attribute.
+	* config/avr/avr-devices.c (AVR_MCU): Same.
+	(avr_mcu_types): add text start value to end of device list.
+	* config/avr/avr-mcus.def: Add text section start for all devices.
+	(ata5782): Add new avr5 device.
+	(ata5831): Same.
+	* config/avr/avr-tables.opt: Regenerate.
+	* config/avr/avr.h: Add declaration for text section start handler.
+	(EXTRA_SPEC_FUNCTIONS): Add text section start handler to SPEC function=
+s.
+	(LINK_SPEC): Include text section start handler to linker spec.
+	* config/avr/driver-avr.c (avr_device_to_text_start): New function to
+	pass -Ttext option to linker if the text section start for the device i=
+s
+	not zero.
+	* config/avr/t-multilib: Regenerate.
+	* doc/avr-mmcu.texi: Regenerate.
+
 2014-07-11  David Edelsohn  <dje.gcc@gmail.com>
 
 	* config/rs6000/aix51.h (LINK_SPEC): Remove -bnodelcsect.

gcc/config/avr/avr-arch.h

@@ -109,6 +109,9 @@ typedef struct
   /* Start of data section.  */
   int data_section_start;
 
+  /* Start of text section. */
+  int text_section_start;
+
   /* Number of 64k segments in the flash.  */
   int n_flash;
 

gcc/config/avr/avr-devices.c

@@ -104,11 +104,11 @@ avr_texinfo[] =
 const avr_mcu_t
 avr_mcu_types[] =
 {
-#define AVR_MCU(NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, N_FLASH, LIBNAME)\
-  { NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, N_FLASH, LIBNAME },
+#define AVR_MCU(NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH, LIBNAME)\
+  { NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH, LIBNAME },
 #include "avr-mcus.def"
 #undef AVR_MCU
     /* End of list.  */
-  { NULL, ARCH_UNKNOWN, AVR_ISA_NONE, NULL, 0, 0, NULL }
+  { NULL, ARCH_UNKNOWN, AVR_ISA_NONE, NULL, 0, 0, 0, NULL }
 };
 

gcc/config/avr/avr.h

@@ -491,6 +491,7 @@ typedef struct avr_args
 extern const char *avr_device_to_as (int argc, const char **argv);
 extern const char *avr_device_to_ld (int argc, const char **argv);
 extern const char *avr_device_to_data_start (int argc, const char **argv);
+extern const char *avr_device_to_text_start (int argc, const char **argv);
 extern const char *avr_device_to_startfiles (int argc, const char **argv);
 extern const char *avr_device_to_devicelib (int argc, const char **argv);
 extern const char *avr_device_to_sp8 (int argc, const char **argv);
@@ -499,6 +500,7 @@ extern const char *avr_device_to_sp8 (int argc, const char **argv);
   { "device_to_as", avr_device_to_as },                 \
   { "device_to_ld", avr_device_to_ld },                 \
   { "device_to_data_start", avr_device_to_data_start }, \
+  { "device_to_text_start", avr_device_to_text_start }, \
   { "device_to_startfile", avr_device_to_startfiles },  \
   { "device_to_devicelib", avr_device_to_devicelib },   \
   { "device_to_sp8", avr_device_to_sp8 },
@@ -525,6 +527,7 @@ extern const char *avr_device_to_sp8 (int argc, const char **argv);
                                mmcu=at90usb64*:--pmem-wrap-around=64k}}}\
 %:device_to_ld(%{mmcu=*:%*})\
 %:device_to_data_start(%{mmcu=*:%*})\
+%:device_to_text_start(%{mmcu=*:%*}) \
 %{shared:%eshared is not supported}"
 
 #define LIB_SPEC \

gcc/config/avr/driver-avr.c

@@ -101,6 +101,30 @@ avr_device_to_data_start (int argc, const char **argv)
   return concat ("-Tdata ", data_section_start_str, NULL);    
 }
 
+/* Returns command line parameters that describe start of text section.  */
+
+const char *
+avr_device_to_text_start (int argc, const char **argv)
+{
+  unsigned long text_section_start;
+  char text_section_start_str[16];
+
+  if (0 == argc)
+    return NULL;
+
+  avr_set_current_device (argv[0]);
+
+  if (avr_current_device->text_section_start == 0x0)
+    return NULL;
+
+  text_section_start = avr_current_device->text_section_start;
+
+  snprintf (text_section_start_str, sizeof(text_section_start_str) - 1,
+            "0x%lX", text_section_start);
+
+  return concat ("-Ttext ", text_section_start_str, NULL);
+}
+
 /* Returns command line parameters that describe the device startfile.  */
 
 const char *

gcc/config/avr/t-multilib

@@ -119,9 +119,11 @@ MULTILIB_MATCHES = \
 	mmcu?avr4=mmcu?at90pwm3 \
 	mmcu?avr4=mmcu?at90pwm3b \
 	mmcu?avr4=mmcu?at90pwm81 \
+	mmcu?avr5=mmcu?ata5782 \
 	mmcu?avr5=mmcu?ata5790 \
 	mmcu?avr5=mmcu?ata5790n \
 	mmcu?avr5=mmcu?ata5795 \
+	mmcu?avr5=mmcu?ata5831 \
 	mmcu?avr5=mmcu?ata6613c \
 	mmcu?avr5=mmcu?ata6614q \
 	mmcu?avr5=mmcu?atmega16 \