Key difference between GCC arm-none-eabi and arm-eabi

Hi Experts, For Cortex R and M processors Linaro has recommended the GCC arm-none-eabi 4.9 whereas for A series processors it is recommending normal GCC eabi. what is the key difference between the same...
what library used on arm gcc none eabi ?

1. Does arm-gcc-none-eabi and newlib is packed? 2. Why arm-gcc-none-eabi need glibc 2.14? I have a problem when I use arm gcc none eabi cross compiler. "version GLIBC_2.14 not found" Then...
specs explaination/detailed description

hi; i read the rtx51 specs on the site.it gives context switch for fast task as 70-100 cycles.does this difference come due to priority polling?secondly does context switch is equivalent to 'dispatch...
arm-none-eabi-gcc: error: unrecognized option '--gc-sections'

Hi, I'm trying to compile "ChaN's FAT-Module with STM32 SPI" available at www.siwawi.arubi.uni-kl.de/.../index.html on Keil but I got this error: arm-none-eabi-gcc: error: unrecognized...
Linker configuration from arm-none-eabi-gcc to ARMCC

Hello, I've a project which are started with arm-none-eabi-gcc and added in the last time the ARMCC. The linker configuration can't easy converted. At the moment I search for a solution to define in the...