Merge branch 'feature/add_user_data_to_bin_header' into 'master'

wujiangang · wujiangang · commit f5116eccda22 · 2019-01-21T16:27:34.000+08:00
feat: add user data to bin header

See merge request sdk/ESP8266_RTOS_SDK!698
diff --git a/components/esp8266/include/esp_attr.h b/components/esp8266/include/esp_attr.h
@@ -46,4 +46,7 @@
 // Forces read-only data into RTC memory.
 #define RTC_RODATA_ATTR __attribute__((section(".rtc.rodata")))
 
+// Forces to put some user defined data in the binary file header, the offset is 0x10.
+#define USER_DATA_ATTR __attribute__((section(".user.data")))
+
 #endif /* __ESP_ATTR_H__ */
diff --git a/components/esp8266/ld/esp8266.common.ld b/components/esp8266/ld/esp8266.common.ld
@@ -230,6 +230,7 @@ SECTIONS
   .irom0.text : ALIGN(4)
   {
     _irom0_text_start = ABSOLUTE(.);
+    *(.user.data)
     *(.rodata.* .rodata .irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text)
     *(.literal.* .text.*)
 

Original file line number	Diff line number	Diff line change
`@@ -230,6 +230,7 @@ SECTIONS`
`230`	`230`	`.irom0.text : ALIGN(4)`
`231`	`231`	`{`
`232`	`232`	`_irom0_text_start = ABSOLUTE(.);`
	`233`	`+ *(.user.data)`
`233`	`234`	`(.rodata. .rodata .irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text)`
`234`	`235`	`(.literal. .text.*)`
`235`	`236`