esp-14.2.0_20241119

Changes (since esp-14.2.0_20240906)

Fixes:

• Xtensa: fixed wrong instructions generation. See details in the commit message

esp-14.2.0_20240906

Changes (since esp-13.2.0_20240530)

Features:

• Upgraded GCC (13.2.0 -> 14.2.0)
• Upgraded binutils (2.41.0 -> 2.43.1)
• Added picolibc 1.8.6

Fixes:

• Reproducible builds remain consistent regardless of the OS used for compilation. (espressif/esp-idf#14267)
• Newlib: fix tgammaf(-inf) return value (espressif/esp-idf#14273)
• stdatomic: Only use clang atomics if __clang__ is defined (espressif/esp-idf#13979)

esp-13.2.0_20240530

Changes (since esp-13.2.0_20240305)

Features:

RISCV32

• Support custom Espressif assembler instructions (LP).

Fixes:

• Fix 8dot3 naming support (windows)
• Fix LongPath naming support (see windows docs) !! Powershell still has a bug !!

esp-13.2.0_20240305

Changes (since esp-13.2.0_20230928)

Features:

• Enabled _GLIBCXX_HAVE_DIRENT_H for libstdc++. (espressif/esp-idf#12926)
• Remove dead code in libgcc for unwinding functions.
  • Saves ~2600 bytes of binary when C++ exceptions enabled

Xtensa

• Add -mdisable-hardware-atomics compile option to overcome the issue espressif/esp-idf#4635

RISCV32

• Support custom Espressif assembler instructions.

Fixes:

• Fix time parsing (espressif/arduino-esp32#9184)
• Fix c++config.h header (for all builds except x86_64-linux-gnu/aarch64-apple-darwin). (crosstool-ng/crosstool-ng#2110)

esp-13.2.0_20230928

Changes (since esp-12.2.0_20230208)

Features:

• Upgrade GCC to version 13.2.0
• Upgrade binutils to version 2.41.0
• Upgrade newlib to version 4.3.0
• Unified Xtensa toolchain with multi-lib for esp32/esp32s2/esp32s3
  • Binary wrappers xtensa-esp32-elf-*/xtensa-esp32s2-elf-*/xtensa-esp32s3-elf-* for backward compatibility

esp-12.2.0_20230208

Changes (since esp-2022r1)

Features:

• Upgrade GCC to version 12.2.0
• Upgrade binutils to version 2.39.0
• Support RISCV imac_zicsr_zifencei for esp32c6
• Implement pthread stubs. (espressif/esp-idf#5308)
• Change release format to esp-<gcc-version>-<date>

Bug fixes:

• Fix fropen/fwopen compile warnings. (espressif/arduino-esp32#7407 (comment))
• Fix __stop_SECTION literal drop. (espressif/esp-idf#9396)

esp-2021r2-patch5

It is an update of GCC 8.4.0 toolchain, for IDF v4.4 mostly

Changes (since 2021r2-patch4):

• GDB: Fixed running on macOS-arm64. I'm sorry, Dave, I can't do that. Symbol format `elf32-xtensa-le' unknown. bminor/binutils-gdb@b413232
• Newlib: Fixed a warning from math.h, espressif/newlib-esp32#10

Related branches:

• https://github.com/espressif/newlib-esp32/commits/esp-2021r2-patch5
• https://github.com/espressif/binutils-gdb/commits/esp-2021r2-patch5-gdb

esp-2021r2-patch4

It is an update of GCC 8.4.0 toolchain, for IDF v4.4 mostly

Changes (since 2021r2-patch3):

• GCC: Had macOS M1 (aarch64) native builds, fixes espressif/esp-idf#6113. Taking changes from #24
• GCC: Fixed pointer type exception catch when no RTTI (GCC Bugzilla#105387, espressif/esp-idf#8527)
• GCC: Fixed Xtensa compiler multilib for esp32 psram-fix (don't use unnecessary libs for non-ESP32 configurations)
• GCC: Added -no-rtti multilib libs into RISC-V compiler
• Newlib: Fixed pow() from math.h (espressif/esp-idf#7282) (but didn't fix tgamma() in newlib 3.3.0)
• Newlib: Added semihosting syscalls and libgloss bare metal startup code for ESP32 chip
• Newlib: Fixed angle brackets support in TZ names (espressif/newlib-esp32#8)
• Newlib: Fixed MALLOC_ALIGNMENT for Xtensa (zephyrproject-rtos/zephyr#38258)
• Linker: xtensa: fix __stop_SECTION literal drop (espressif/esp-idf#9396)
• GDB: xtensa: fix truncated backtrace for nested noreturn functions (espressif/esp-idf#6124)
• Fixed running on some Linux ARM platforms (Raspberry Pi 4 with 32- and 64-bit OS) (espressif/esp-idf#7857)

Includes:

• GCC 8.4.0
• Newlib 3.3.0
• Binutils (linker, assembler, etc) 2.35.1
• GDB 9.2

Related branches:

• https://github.com/espressif/gcc/commits/esp-2021r2-patch4
• https://github.com/espressif/newlib-esp32/commits/esp-2021r2-patch4
• https://github.com/espressif/binutils-gdb/commits/esp-2021r2-patch4-binutils
• https://github.com/espressif/binutils-gdb/commits/esp-2021r2-patch4-gdb
• https://github.com/espressif/xtensa-overlays/commits/esp-2021r2-patch4

esp-2022r1

Changes (since 2022r1-RC1)

• GCC: Had macOS M1 (aarch64) native builds, fixes espressif/esp-idf#6113
• GCC: Fixed multilib for rv32imc (RISC-V compiler). There were no libs for non--fno-rtti case.

Includes:

• GCC 11.2.0
• Newlib 4.1.0
• Binutils (linker, assembler, etc) 2.35.1
• GDB 9.2 (deprecated, will distribute as a separate package, will be removed from toolchain on the next release)

Related branches:

• https://github.com/espressif/gcc/commits/esp-2022r1
• https://github.com/espressif/newlib-esp32/commits/esp-2022r1
• https://github.com/espressif/binutils-gdb/commits/esp-2022r1-binutils
• https://github.com/espressif/binutils-gdb/commits/esp-2022r1-gdb (deprecated)
• https://github.com/espressif/xtensa-overlays/commits/esp-2022r1

esp-2022r1-RC1

Changes (since 2021r2-patch3)

• GCC: Updated GCC to 11.2.0 version (espressif/esp-idf#6214, espressif/esp-idf#6885)
• GCC: Changed int32_t type in the Xtensa compiler to long instead of int before. Upstream GCC uses long for int32_t type on Xtensa, RISC-V, and other platforms
• GCC: Fixed pointer type exception catch when no RTTI (GCC Bugzilla#105387, espressif/esp-idf#8527)
• GCC: Fixed Xtensa compiler multilib for esp32 psram-fix
• GCC: Added -no-rtti multilib libs into RISC-V compiler
• Newlib: Updated Newlib to 4.1.0 version
• Newlib: Changed time_t type to be 64-bit (espressif/esp-idf#584)
• Newlib: Fixed pow() and tgamma() from math.h (espressif/esp-idf#7282)
• Newlib: Added semihosting syscalls and libgloss bare metal startup code for ESP32 chip
• Newlib: Fixed angle brackets support in TZ names (espressif/newlib-esp32#8)
• Newlib: Fixed MALLOC_ALIGNMENT for Xtensa (zephyrproject-rtos/zephyr#38258)
• Fixed running on some Linux ARM platforms (Raspberry Pi 4 with 32- and 64-bit OS)