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feat(esp_libc): add full support for picolibc

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This commit is contained in:
Alexey Lapshin
2026-01-30 23:39:53 +07:00
parent 1c08b38b27
commit 0b3929d0d9
82 changed files with 934 additions and 382 deletions
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components/heap/test_apps/heap_tests/main/test_heap_trace.c
+12 -5
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
@@ -128,13 +128,21 @@ TEST_CASE("heap trace wrapped buffer check", "[heap-trace]")
heap_trace_stop();
}
static void print_floats_task(void *ignore)
static void trace_libc_allocs_task(void *ignore)
{
heap_trace_start(HEAP_TRACE_ALL);
#if CONFIG_LIBC_NEWLIB
char buf[16] = { };
volatile float f = 12.3456;
sprintf(buf, "%.4f", f);
TEST_ASSERT_EQUAL_STRING("12.3456", buf);
#endif
#if CONFIG_LIBC_PICOLIBC
FILE* f = fdopen(100, "r");
fclose(f);
#endif
heap_trace_stop();
vTaskDelete(NULL);
@@ -158,11 +166,10 @@ TEST_CASE("can trace allocations made by newlib", "[heap-trace]")
- We also do the tracing in the task so we only capture things directly related to it.
*/
xTaskCreate(print_floats_task, "print_float", 4096, NULL, 5, NULL);
xTaskCreate(trace_libc_allocs_task, "trace_libc_allocs_task", 4096, NULL, 5, NULL);
vTaskDelay(10);
/* has to be at least a few as newlib allocates via multiple different function calls */
TEST_ASSERT(heap_trace_get_count() > 3);
TEST_ASSERT(heap_trace_get_count() > 0);
}
TEST_CASE("can stop recording allocs but continue recording frees", "[heap-trace]")