glibc/elf/tls-macros.h

/* Macros to support TLS testing in times of missing compiler support.  */

#define COMMON_INT_DEF(x) \
  asm (".tls_common " #x ",4,4")
/* XXX Until we get compiler support we don't need declarations.  */
#define COMMON_INT_DECL(x)

/* XXX This definition will probably be machine specific, too.  */
#define VAR_INT_DEF(x) \
  asm (".section .tdata\n\t"						      \
       ".globl " #x "\n"						      \
       ".balign 4\n"							      \
       #x ":\t.long 0\n\t"						      \
       ".size " #x ",4\n\t"						      \
       ".previous")
/* XXX Until we get compiler support we don't need declarations.  */
#define VAR_INT_DECL(x)

#include_next <tls-macros.h>

  /* XXX Each architecture must have its own asm for now.  */
#if !defined TLS_LE || !defined TLS_IE \
      || !defined TLS_LD || !defined TLS_GD
# error "No support for this architecture so far."
#endif
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00			`/* Macros to support TLS testing in times of missing compiler support. */`

			`#define COMMON_INT_DEF(x) \`
			`asm (".tls_common " #x ",4,4")`
Update. * po/fr.po: Update from translation team. * elf/tls-macros.h: Add alternative macros for use in PIC. 2002-02-11 09:49:22 +08:00			`/* XXX Until we get compiler support we don't need declarations. */`
			`#define COMMON_INT_DECL(x)`
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00
			`/* XXX This definition will probably be machine specific, too. */`
			`#define VAR_INT_DEF(x) \`
			`asm (".section .tdata\n\t" \`
			`".globl " #x "\n" \`
Update. 2003-07-30 Jakub Jelinek <jakub@redhat.com> * elf/dl-reloc.c (_dl_allocate_static_tls): Don't return any value, call dl_signal_error directly. If already relocated, call GL(dl_init_static_tls) directly, otherwise queue it for later. (CHECK_STATIC_TLS): Undo 2003-07-24 change. * elf/rtld.c (dl_main): Initialize GL(dl_init_static_tls). * elf/dl-open.c (dl_open_worker): Call GL_dl_init_static_tls for all static TLS initializations delayed in _dl_allocate_static_tls. * elf/dl-support.c (_dl_init_static_tls): New variable. * include/link.h (struct link_map): Add l_need_tls_init. * sysdeps/generic/ldsodefs.h (_rtld_global): Add _dl_init_static_tls. (_dl_nothread_init_static_tls): New prototype. (_dl_allocate_static_tls): Adjust prototype. * elf/tls-macros.h (VAR_INT_DEF): Add alignment directive. elf_machine_rela_relative): Adjust. (CHECK_STATIC_TLS): _dl_allocate_static_tls can fail now. 2003-07-31 15:42:20 +08:00			`".balign 4\n" \`
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00			`#x ":\t.long 0\n\t" \`
Update. * po/fr.po: Update from translation team. * elf/tls-macros.h: Add alternative macros for use in PIC. 2002-02-11 09:49:22 +08:00			`".size " #x ",4\n\t" \`
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00			`".previous")`
Update. * po/fr.po: Update from translation team. * elf/tls-macros.h: Add alternative macros for use in PIC. 2002-02-11 09:49:22 +08:00			`/* XXX Until we get compiler support we don't need declarations. */`
			`#define VAR_INT_DECL(x)`
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00
* elf/tls-macros.h: #include_next <tls-macros.h> to get a sysdeps version if there is one. Only #error if macros are then undefined. * sysdeps/generic/tls-macros.h: New file. 2005-03-13 17:09:05 +08:00			`#include_next <tls-macros.h>`
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00
			`/* XXX Each architecture must have its own asm for now. */`
Split tls-macros.h into sysdeps directories. 2012-07-17 19:30:58 +08:00			`#if !defined TLS_LE \|\| !defined TLS_IE \`
2005-03-27 Daniel Jacobowitz <dan@codesourcery.com> * elf/tls-macros.h: Correct typo. 2005-03-28 04:06:13 +08:00			`\|\| !defined TLS_LD \|\| !defined TLS_GD`
Update. * elf/tst-tls1.c: Move TLS helper macros to... * elf/tls-macros.h: ...here. New file. * elf/tst-tls2.c: New file. * elf/Makefile (tests): Add tst-tls2. (distribute): Add tls-macros.h. 2002-02-11 02:58:00 +08:00			`# error "No support for this architecture so far."`
			`#endif`