forked from M-Labs/libfringe
move the Valgrind doc-comments to Rust-land, where they actually matter
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@ -1,22 +1,12 @@
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#include <stdint.h>
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#include "valgrind/valgrind.h"
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// In order for Valgrind to keep track of stack overflows and such, it needs
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// a little help. That help unfortunately comes in the form of a pair of C
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// macros. Calling out to un-inlineable C code for this is pointlessly slow,
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// but that's the way it is for now.
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typedef uint32_t valgrind_stack_id_t;
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// Register a stack with Valgrind. Returns an integer ID that can
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// be used to deregister the stack when it's deallocated.
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// `start < end`, though Valgrind will happily accept either.
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valgrind_stack_id_t valgrind_stack_register(const void *start, const void *end) {
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return VALGRIND_STACK_REGISTER(start, end);
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}
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// Deregister a stack from Valgrind. Takes the integer ID that was returned
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// on registration.
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void valgrind_stack_deregister(valgrind_stack_id_t id) {
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VALGRIND_STACK_DEREGISTER(id);
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}
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@ -1,9 +1,19 @@
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#![allow(non_camel_case_types)]
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//! In order for Valgrind to keep track of stack overflows and such, it needs
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//! a little help. That help unfortunately comes in the form of a pair of C
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//! macros. Calling out to un-inlineable C code for this is pointlessly slow,
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//! but that's the way it is for now.
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pub type stack_id_t = u32;
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extern "C" {
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#[link_name = "valgrind_stack_register"]
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/// Register a stack with Valgrind. Returns an integer ID that can
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/// be used to deregister the stack when it's deallocated.
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/// `start < end`, though Valgrind will happily accept either.
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pub fn stack_register(start: *const u8, end: *const u8) -> stack_id_t;
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#[link_name = "valgrind_stack_deregister"]
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/// Deregister a stack from Valgrind. Takes the integer ID that was returned
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/// on registration.
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pub fn stack_deregister(id: stack_id_t);
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}
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