Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <inttypes.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <internal/lib.h> // page_size
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#include "machine.h"
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#include "api/fs/fs.h"
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#include "debug.h"
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#include "symbol.h"
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int arch__fix_module_text_start(u64 *start, u64 *size, const char *name)
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{
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u64 m_start = *start;
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char path[PATH_MAX];
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snprintf(path, PATH_MAX, "module/%.*s/sections/.text",
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(int)strlen(name) - 2, name + 1);
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if (sysfs__read_ull(path, (unsigned long long *)start) < 0) {
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pr_debug2("Using module %s start:%#lx\n", path, m_start);
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*start = m_start;
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} else {
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/* Successful read of the modules segment text start address.
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* Calculate difference between module start address
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* in memory and module text segment start address.
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* For example module load address is 0x3ff8011b000
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* (from /proc/modules) and module text segment start
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* address is 0x3ff8011b870 (from file above).
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*
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* Adjust the module size and subtract the GOT table
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* size located at the beginning of the module.
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*/
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*size -= (*start - m_start);
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}
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return 0;
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}
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