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/* Test TLS with varied alignment and multiple modules and threads: header.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef TST_TLS22_H
#define TST_TLS22_H
#include <stdint.h>
extern __thread int exe_tdata1 __attribute__ ((tls_model ("initial-exec")));
extern __thread int exe_tdata2 __attribute__ ((tls_model ("initial-exec")));
extern __thread int exe_tdata3 __attribute__ ((tls_model ("initial-exec")));
extern __thread int exe_tbss1 __attribute__ ((tls_model ("initial-exec")));
extern __thread int exe_tbss2 __attribute__ ((tls_model ("initial-exec")));
extern __thread int exe_tbss3 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod1_tdata1 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod1_tdata2 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod1_tdata3 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod1_tbss1 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod1_tbss2 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod1_tbss3 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod2_tdata1 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod2_tdata2 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod2_tdata3 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod2_tbss1 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod2_tbss2 __attribute__ ((tls_model ("initial-exec")));
extern __thread int mod2_tbss3 __attribute__ ((tls_model ("initial-exec")));
/* Structure to store the addresses of one set of TLS objects in one
thread, as seen by one module in the program. */
struct obj_addrs
{
uintptr_t addr_tdata1, addr_tdata2, addr_tdata3;
uintptr_t addr_tbss1, addr_tbss2, addr_tbss3;
};
/* Structure to store the values of one set of TLS objects in one
thread. */
struct obj_values
{
uintptr_t val_tdata1, val_tdata2, val_tdata3;
uintptr_t val_tbss1, val_tbss2, val_tbss3;
};
/* Structure to store all the data about TLS objects in one
thread. */
struct one_thread_data
{
struct obj_addrs exe_self, exe_from_mod1, exe_from_mod2;
struct obj_addrs mod1_self, mod1_from_exe;
struct obj_addrs mod2_self, mod2_from_exe, mod2_from_mod1;
struct obj_values exe_before, mod1_before, mod2_before;
struct obj_values exe_after, mod1_after, mod2_after;
};
/* Store the addresses of variables prefixed by PFX in the structure
pointed to by DST. */
#define STORE_ADDRS(DST, PFX) \
do \
{ \
(DST)->addr_tdata1 = (uintptr_t) &PFX ## _tdata1; \
(DST)->addr_tdata2 = (uintptr_t) &PFX ## _tdata2; \
(DST)->addr_tdata3 = (uintptr_t) &PFX ## _tdata3; \
(DST)->addr_tbss1 = (uintptr_t) &PFX ## _tbss1; \
(DST)->addr_tbss2 = (uintptr_t) &PFX ## _tbss2; \
(DST)->addr_tbss3 = (uintptr_t) &PFX ## _tbss3; \
} \
while (0)
/* Store the values of variables prefixed by PFX in the structure
pointed to by DST. */
#define STORE_VALUES(DST, PFX) \
do \
{ \
(DST)->val_tdata1 = PFX ## _tdata1; \
(DST)->val_tdata2 = PFX ## _tdata2; \
(DST)->val_tdata3 = PFX ## _tdata3; \
(DST)->val_tbss1 = PFX ## _tbss1; \
(DST)->val_tbss2 = PFX ## _tbss2; \
(DST)->val_tbss3 = PFX ## _tbss3; \
} \
while (0)
/* Overwrite the values of variables prefixed by PFX with values
starting with VAL. */
#define OVERWRITE_VALUES(PFX, VAL) \
do \
{ \
PFX ## _tdata1 = (VAL); \
PFX ## _tdata2 = (VAL) + 1; \
PFX ## _tdata3 = (VAL) + 2; \
PFX ## _tbss1 = (VAL) + 3; \
PFX ## _tbss2 = (VAL) + 4; \
PFX ## _tbss3 = (VAL) + 5; \
} \
while (0)
void test_mod1 (struct one_thread_data *data, int base_val);
void test_mod2 (struct one_thread_data *data, int base_val);
#endif /* TST_TLS22_H */
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