arduino/esp8266
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Merge pull request #857 from esp8266/linker-sections-fix

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Fix placement of code into RAM, enable gc-sections
This commit is contained in:
Ivan Grokhotkov 2015-10-06 12:19:20 +03:00
commit 0873ae22d3
3 changed files with 8 additions and 7 deletions
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6
platform.txt
View File

@ -16,18 +16,18 @@ compiler.sdk.path={runtime.platform.path}/tools/sdk
compiler.cpreprocessor.flags=-D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ "-I{compiler.sdk.path}/include"
compiler.c.cmd=xtensa-lx106-elf-gcc
compiler.c.flags=-c -Os -g -Wpointer-arith -Wno-implicit-function-declaration -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -falign-functions=4 -MMD -std=gnu99
compiler.c.flags=-c -Os -g -Wpointer-arith -Wno-implicit-function-declaration -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -falign-functions=4 -MMD -std=gnu99 -ffunction-sections -fdata-sections
compiler.S.cmd=xtensa-lx106-elf-gcc
compiler.S.flags=-c -g -x assembler-with-cpp -MMD
compiler.c.elf.flags=-g -Os -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/ld" "-T{build.flash_ld}" -Wl,-wrap,system_restart_local -Wl,-wrap,register_chipv6_phy
compiler.c.elf.flags=-g -Os -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/ld" "-T{build.flash_ld}" -Wl,--gc-sections -Wl,-wrap,system_restart_local -Wl,-wrap,register_chipv6_phy
compiler.c.elf.cmd=xtensa-lx106-elf-gcc
compiler.c.elf.libs=-lm -lgcc -lhal -lphy -lnet80211 -llwip -lwpa -lmain -lpp -lsmartconfig -lwps -lcrypto -laxtls
compiler.cpp.cmd=xtensa-lx106-elf-g++
compiler.cpp.flags=-c -Os -g -mlongcalls -mtext-section-literals -fno-exceptions -fno-rtti -falign-functions=4 -std=c++11 -MMD
compiler.cpp.flags=-c -Os -g -mlongcalls -mtext-section-literals -fno-exceptions -fno-rtti -falign-functions=4 -std=c++11 -MMD -ffunction-sections -fdata-sections
compiler.as.cmd=xtensa-lx106-elf-as

2
tools/sdk/include/c_types.h
View File

@ -67,7 +67,7 @@ typedef enum {
#ifdef ICACHE_FLASH
#define ICACHE_FLASH_ATTR __attribute__((section(".irom0.text")))
#define ICACHE_RAM_ATTR __attribute__((section(".text")))
#define ICACHE_RAM_ATTR __attribute__((section(".iram.text")))
#define ICACHE_RODATA_ATTR __attribute__((section(".irom.text")))
#else
#define ICACHE_FLASH_ATTR

7
tools/sdk/ld/eagle.app.v6.common.ld
View File

@ -150,12 +150,11 @@ SECTIONS
.irom0.text : ALIGN(4)
{
_irom0_text_start = ABSOLUTE(.);
*core_esp8266_*.o(.literal*, .text*)
*spiffs*.o(.literal*, .text*)
*.c.o(.literal*, .text*)
*.cpp.o(.literal*, .text*)
*libm.a:(.literal .text .literal.* .text.*)
*libsmartconfig.a:(.literal .text .literal.* .text.*)
*(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text)
*(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text .irom.text.*)
_irom0_text_end = ABSOLUTE(.);
_flash_code_end = ABSOLUTE(.);
} >irom0_0_seg :irom0_0_phdr
@ -192,6 +191,8 @@ SECTIONS
*(.init.literal)
*(.init)
*(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
*.cpp.o(.iram.text)
*.c.o(.iram.text)
*(.fini.literal)
*(.fini)
*(.gnu.version)