/**
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* \file
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*/
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#include <config.h>
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#if defined(HOST_ANDROID)
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#include <pthread.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include "glib.h"
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static void
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slow_get_thread_bounds (guint8 *current, guint8 **staddr, size_t *stsize)
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{
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char buff [1024];
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FILE *f = fopen ("/proc/self/maps", "r");
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if (!f)
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g_error ("Could not determine thread bounds, failed to open /proc/self/maps");
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while (fgets (buff, sizeof (buff), f)) {
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intmax_t low, high;
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char *ptr = buff;
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char *end = NULL;
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//each line starts with the range we want: f7648000-f7709000
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low = strtoimax (ptr, &end, 16);
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if (end) {
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ptr = end + 1; //skip the dash to make sure we don't get a negative number
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end = NULL;
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high = strtoimax (ptr, &end, 16);
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}
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if (end && low <= (intmax_t)(size_t)current && high > (intmax_t)(size_t)current) {
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*staddr = (guint8 *)(size_t)low;
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*stsize = (size_t)(high - low);
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fclose (f);
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return;
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}
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}
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g_error ("Could not determine thread bounds, failed to find current stack pointer in /proc/self/maps");
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}
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void
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mono_threads_platform_get_stack_bounds (guint8 **staddr, size_t *stsize)
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{
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pthread_attr_t attr;
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guint8 *current = (guint8*)&attr;
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*staddr = NULL;
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*stsize = (size_t)-1;
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pthread_getattr_np (pthread_self (), &attr);
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pthread_attr_getstack (&attr, (void**)staddr, stsize);
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pthread_attr_destroy (&attr);
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if (*staddr && ((current <= *staddr) || (current > *staddr + *stsize)))
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slow_get_thread_bounds (current, staddr, stsize);
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}
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#endif
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