esp-idf/components/bt/linker.lf

[sections:bss_common]
entries:
    .bss+
    COMMON

[scheme:bt_start_end]
entries:
    bss_common -> dram0_bss
    data -> dram0_data

# For the following fragments, order matters for
# 'ALIGN(4, post) SURROUND(sym)', which generates:
#
#   _sym_start
#   ...
#   . = ALIGN(4)
#   _sym_end

[mapping:bt]
archive: libbt.a
entries:
    * (bt_start_end);
        bss_common -> dram0_bss ALIGN(4, post) SURROUND(bt_bss),
        data -> dram0_data  ALIGN(4, post) SURROUND(bt_data)
    if ESP_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:
        * (extram_bss)

[mapping:btdm]
archive: libbtdm_app.a
entries:
    * (bt_start_end);
        bss_common -> dram0_bss ALIGN(4, post) SURROUND(btdm_bss),
        data -> dram0_data ALIGN(4, post) SURROUND(btdm_data)

[mapping:nimble]
archive: libnimble.a
entries:
    * (bt_start_end);
        bss_common -> dram0_bss ALIGN(4, post) SURROUND(nimble_bss),
        data -> dram0_data ALIGN(4, post) SURROUND(nimble_data)
esp32: move bt linker script placements to ldgen 2021-02-09 10:44:29 +00:00			`[sections:bss_common]`
			`entries:`
			`.bss+`
			`COMMON`

			`[scheme:bt_start_end]`
			`entries:`
			`bss_common -> dram0_bss`
			`data -> dram0_data`

			`# For the following fragments, order matters for`
ldgen: use uppercase keywords for flags 2021-02-16 05:44:18 +00:00			`# 'ALIGN(4, post) SURROUND(sym)', which generates:`
esp32: move bt linker script placements to ldgen 2021-02-09 10:44:29 +00:00			`#`
			`# _sym_start`
			`# ...`
			`# . = ALIGN(4)`
			`# _sym_end`

esp32: Provision to redirect .bss to external ram through linker fragments Include external ram section in the linker template to process it through linker script generation mechanism. This enables redirection of .bss section to external memory using linker fragments libnet80211, libpp, libbt, liblwip: Redirect .bss through fragments 2020-07-31 06:56:29 +00:00			`[mapping:bt]`
			`archive: libbt.a`
			`entries:`
esp32: move bt linker script placements to ldgen 2021-02-09 10:44:29 +00:00			`* (bt_start_end);`
ldgen: use uppercase keywords for flags 2021-02-16 05:44:18 +00:00			`bss_common -> dram0_bss ALIGN(4, post) SURROUND(bt_bss),`
			`data -> dram0_data ALIGN(4, post) SURROUND(bt_data)`
esp_common: Fix issue with SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY not visible on c3 Create a common symbol name to use from linker.lf fragments 2020-12-30 08:12:07 +00:00			`if ESP_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:`
esp32: Provision to redirect .bss to external ram through linker fragments Include external ram section in the linker template to process it through linker script generation mechanism. This enables redirection of .bss section to external memory using linker fragments libnet80211, libpp, libbt, liblwip: Redirect .bss through fragments 2020-07-31 06:56:29 +00:00			`* (extram_bss)`
esp32: move bt linker script placements to ldgen 2021-02-09 10:44:29 +00:00
			`[mapping:btdm]`
			`archive: libbtdm_app.a`
			`entries:`
			`* (bt_start_end);`
ldgen: use uppercase keywords for flags 2021-02-16 05:44:18 +00:00			`bss_common -> dram0_bss ALIGN(4, post) SURROUND(btdm_bss),`
			`data -> dram0_data ALIGN(4, post) SURROUND(btdm_data)`
esp32: move bt linker script placements to ldgen 2021-02-09 10:44:29 +00:00
			`[mapping:nimble]`
			`archive: libnimble.a`
			`entries:`
			`* (bt_start_end);`
ldgen: use uppercase keywords for flags 2021-02-16 05:44:18 +00:00			`bss_common -> dram0_bss ALIGN(4, post) SURROUND(nimble_bss),`
			`data -> dram0_data ALIGN(4, post) SURROUND(nimble_data)`