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newlib: xtensa: Fix a newlib link error

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xtensa linker script defines "_heap_sentry" but newlib references
"__heap_sentry".

Signed-off-by: Aska Wu <aska.wu@linaro.org>
This commit is contained in:
Aska Wu 2017-08-10 16:23:03 +08:00 • committed by Kumar Gala
commit 1f7a6766d3
1 changed files with 2 additions and 2 deletions
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4
lib/libc/newlib/libc-hooks.c
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@ -29,8 +29,8 @@
#define USED_RAM_SIZE (USED_RAM_END_ADDR - CONFIG_SRAM_BASE_ADDRESS)
#define MAX_HEAP_SIZE ((KB(CONFIG_SRAM_SIZE)) - USED_RAM_SIZE)
#elif CONFIG_XTENSA
extern void *__heap_sentry;
#define MAX_HEAP_SIZE (POINTER_TO_UINT(&__heap_sentry) - USED_RAM_END_ADDR)
extern void *_heap_sentry;
#define MAX_HEAP_SIZE (POINTER_TO_UINT(&_heap_sentry) - USED_RAM_END_ADDR)
#else
#define USED_RAM_SIZE (USED_RAM_END_ADDR - CONFIG_SRAM_BASE_ADDRESS)
#define MAX_HEAP_SIZE ((KB(CONFIG_SRAM_SIZE)) - USED_RAM_SIZE)