[riot-notifications] [RIOT-OS/RIOT] cpu/esp8266: most .rodata sections are moved from DRAM to IROM (flash) (#10981)

Sebastian Meiling notifications at github.com
Fri Mar 29 16:05:40 CET 2019


if I understand correctly this is only moving memory around but does not safe bytes, right? Because in total I see an increase of 500 bytes compared to master, but I also see the mem shift as you described using `size -Ax`.

Master:
```
280909	   3989	  45264	 330162	  509b2	/data/riotbuild/riotbase/examples/gnrc_networking/bin/esp8266-esp-12x/gnrc_networking.elf

section             size         addr
.data              0xf95   0x3ffe8000
.rodata           0x3fe0   0x3ffe8fa0
.bss              0xb0d0   0x3ffecf80
.text             0x723a   0x40100000
.irom0.text      0x39733   0x40210000
```
This PR:
```
281417	   3989	  45280	 330686	  50bbe	/data/riotbuild/riotbase/examples/gnrc_networking/bin/esp8266-esp-12x/gnrc_networking.elf

section             size         addr
.data              0xf95   0x3ffe8000
.rodata            0xf7c   0x3ffe8fa0
.bss              0xb0e0   0x3ffe9f20
.text             0x73ea   0x40100000
.irom0.text      0x3c7e3   0x40210000
```


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