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29 lines
955 B
C
29 lines
955 B
C
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// SPDX-License-Identifier: GPL-2.0
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#include <inttypes.h>
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#include <stdio.h>
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#include <string.h>
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#include "debug.h"
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#include "symbol.h"
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/* On arm64, kernel text segment start at high memory address,
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* for example 0xffff 0000 8xxx xxxx. Modules start at a low memory
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* address, like 0xffff 0000 00ax xxxx. When only samll amount of
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* memory is used by modules, gap between end of module's text segment
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* and start of kernel text segment may be reach 2G.
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* Therefore do not fill this gap and do not assign it to the kernel dso map.
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*/
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#define SYMBOL_LIMIT (1 << 12) /* 4K */
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void arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
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{
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if ((strchr(p->name, '[') && strchr(c->name, '[') == NULL) ||
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(strchr(p->name, '[') == NULL && strchr(c->name, '[')))
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/* Limit range of last symbol in module and kernel */
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p->end += SYMBOL_LIMIT;
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else
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p->end = c->start;
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pr_debug4("%s sym:%s end:%#" PRIx64 "\n", __func__, p->name, p->end);
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}
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