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Update.
2003-09-02 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/not-cancel.h: New file. * sysdeps/unix/sysv/linux/x86-64/not-cancel.h: New file. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Make sure the code in subsections has a symbol associated with it. * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (PSEUDO): Also defined symbol for entry point to avoid cancellation. * sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h (PSEUDO): Likewise.
This commit is contained in:
parent
7da1e9116a
commit
8348dcc8ed
@ -1,3 +1,15 @@
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2003-09-02 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/i386/not-cancel.h: New file.
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* sysdeps/unix/sysv/linux/x86-64/not-cancel.h: New file.
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* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Make sure the code
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in subsections has a symbol associated with it.
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* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (PSEUDO): Also
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defined symbol for entry point to avoid cancellation.
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* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h (PSEUDO): Likewise.
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2003-09-01 Jakub Jelinek <jakub@redhat.com>
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2003-09-01 Jakub Jelinek <jakub@redhat.com>
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* Makefile (tests): Add tst-tls5.
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* Makefile (tests): Add tst-tls5.
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@ -114,13 +114,16 @@ extern int __lll_mutex_unlock_wait (int *__futex)
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(void) ({ int ignore1, ignore2; \
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(void) ({ int ignore1, ignore2; \
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__asm __volatile (LOCK_INSTR "xaddl %0, %2\n\t" \
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__asm __volatile (LOCK_INSTR "xaddl %0, %2\n\t" \
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"testl %0, %0\n\t" \
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"testl %0, %0\n\t" \
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"jne 1f\n\t" \
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"jne _L_mutex_lock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %2, %%ecx\n\t" \
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".type _L_mutex_lock_%=,@function\n" \
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"_L_mutex_lock_%=:\n\t" \
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"leal %2, %%ecx\n\t" \
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"call __lll_mutex_lock_wait\n\t" \
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"call __lll_mutex_lock_wait\n\t" \
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"jmp 2f\n\t" \
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"jmp 1f\n\t" \
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".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"1:" \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "0" (1), "2" (futex) \
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: "0" (1), "2" (futex) \
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: "memory"); })
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: "memory"); })
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@ -132,13 +135,16 @@ extern int __lll_mutex_unlock_wait (int *__futex)
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(void) ({ int ignore1, ignore2; \
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(void) ({ int ignore1, ignore2; \
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__asm __volatile (LOCK_INSTR "xaddl %0, %2\n\t" \
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__asm __volatile (LOCK_INSTR "xaddl %0, %2\n\t" \
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"testl %0, %0\n\t" \
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"testl %0, %0\n\t" \
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"jne 1f\n\t" \
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"jne _L_mutex_cond_lock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %2, %%ecx\n\t" \
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".type _L_mutex_cond_lock_%=,@function\n" \
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"_L_mutex_cond_lock_%=:\n\t" \
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"leal %2, %%ecx\n\t" \
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"call __lll_mutex_lock_wait\n\t" \
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"call __lll_mutex_lock_wait\n\t" \
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"jmp 2f\n\t" \
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"jmp 1f\n\t" \
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".size _L_mutex_cond_lock_%=,.-_L_mutex_cond_lock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"1:" \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "0" (2), "2" (futex) \
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: "0" (2), "2" (futex) \
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: "memory"); })
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: "memory"); })
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@ -148,14 +154,17 @@ extern int __lll_mutex_unlock_wait (int *__futex)
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({ int result, ignore1, ignore2; \
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({ int result, ignore1, ignore2; \
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__asm __volatile (LOCK_INSTR "xaddl %0, %3\n\t" \
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__asm __volatile (LOCK_INSTR "xaddl %0, %3\n\t" \
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"testl %0, %0\n\t" \
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"testl %0, %0\n\t" \
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"jne 1f\n\t" \
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"jne _L_mutex_timedlock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %3, %%ecx\n\t" \
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".type _L_mutex_timedlock_%=,@function\n" \
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"_L_mutex_timedlock_%=:\n\t" \
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"leal %3, %%ecx\n\t" \
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"movl %6, %%edx\n\t" \
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"movl %6, %%edx\n\t" \
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"call __lll_mutex_timedlock_wait\n\t" \
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"call __lll_mutex_timedlock_wait\n\t" \
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"jmp 2f\n\t" \
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"jmp 1f\n\t" \
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".size _L_mutex_timedlock_%=,.-_L_mutex_timedlock_%=\n"\
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".previous\n" \
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".previous\n" \
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"2:" \
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"1:" \
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: "=a" (result), "=&c" (ignore1), "=&d" (ignore2), \
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: "=a" (result), "=&c" (ignore1), "=&d" (ignore2), \
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"=m" (futex) \
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"=m" (futex) \
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: "0" (1), "3" (futex), "m" (timeout) \
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: "0" (1), "3" (futex), "m" (timeout) \
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@ -166,13 +175,16 @@ extern int __lll_mutex_unlock_wait (int *__futex)
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#define lll_mutex_unlock(futex) \
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#define lll_mutex_unlock(futex) \
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(void) ({ int ignore; \
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(void) ({ int ignore; \
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__asm __volatile (LOCK_INSTR "subl $1,%0\n\t" \
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__asm __volatile (LOCK_INSTR "subl $1,%0\n\t" \
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"jne 1f\n\t" \
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"jne _L_mutex_unlock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %0, %%eax\n\t" \
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".type _L_mutex_unlock_%=,@function\n" \
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"_L_mutex_unlock_%=:\n\t" \
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"leal %0, %%eax\n\t" \
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"call __lll_mutex_unlock_wake\n\t" \
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"call __lll_mutex_unlock_wake\n\t" \
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"jmp 2f\n\t" \
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"jmp 1f\n\t" \
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".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"1:" \
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: "=m" (futex), "=&a" (ignore) \
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: "=m" (futex), "=&a" (ignore) \
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: "0" (futex) \
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: "0" (futex) \
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: "memory"); })
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: "memory"); })
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@ -219,13 +231,16 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
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# define lll_lock(futex) \
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# define lll_lock(futex) \
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(void) ({ int ignore1, ignore2; \
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(void) ({ int ignore1, ignore2; \
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__asm __volatile (LOCK_INSTR "xaddl %0, %2\n\t" \
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__asm __volatile (LOCK_INSTR "xaddl %0, %2\n\t" \
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"jne 1f\n\t" \
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"jne _L_lock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %2, %%ecx\n\t" \
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".type _L_lock_%=,@function\n" \
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"_L_lock_%=:\n\t" \
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"leal %2, %%ecx\n\t" \
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"call __lll_lock_wait\n\t" \
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"call __lll_lock_wait\n\t" \
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"jmp 2f\n\t" \
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"jmp 1f\n\t" \
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".size _L_lock_%=,.-_L_lock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"1:" \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "0" (-1), "2" (futex) \
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: "0" (-1), "2" (futex) \
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: "memory"); })
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: "memory"); })
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@ -234,13 +249,16 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
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# define lll_unlock(futex) \
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# define lll_unlock(futex) \
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(void) ({ int ignore; \
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(void) ({ int ignore; \
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__asm __volatile (LOCK_INSTR "addl $1,%0\n\t" \
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__asm __volatile (LOCK_INSTR "addl $1,%0\n\t" \
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"jng 1f\n\t" \
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"jng _L_unlock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %0, %%eax\n\t" \
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".type _L_unlock_%=,@function\n" \
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"_L_unlock_%=:\n\t" \
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"leal %0, %%eax\n\t" \
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"call __lll_unlock_wake\n\t" \
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"call __lll_unlock_wake\n\t" \
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"jmp 2f\n\t" \
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"jmp 1f\n\t" \
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".size _L_unlock_%=,.-_L_unlock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"1:" \
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: "=m" (futex), "=&a" (ignore) \
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: "=m" (futex), "=&a" (ignore) \
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: "0" (futex) \
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: "0" (futex) \
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: "memory"); })
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: "memory"); })
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@ -270,11 +288,14 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
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"je,pt 0f\n\t" \
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"je,pt 0f\n\t" \
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"lock\n" \
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"lock\n" \
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"0:\txaddl %0, %2\n\t" \
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"0:\txaddl %0, %2\n\t" \
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"jne 1f\n\t" \
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"jne _L_lock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %2, %%ecx\n\t" \
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".type _L_lock_%=,@function\n" \
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"_L_lock_%=:\n\t" \
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"leal %2, %%ecx\n\t" \
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"call __lll_lock_wait\n\t" \
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"call __lll_lock_wait\n\t" \
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"jmp 2f\n\t" \
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"jmp 2f\n\t" \
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".size _L_lock_%=,.-_L_lock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"2:" \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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: "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
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@ -289,11 +310,14 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
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"je,pt 0f\n\t" \
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"je,pt 0f\n\t" \
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"lock\n" \
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"lock\n" \
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"0:\taddl $1,%0\n\t" \
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"0:\taddl $1,%0\n\t" \
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"jng 1f\n\t" \
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"jng _L_unlock_%=\n\t" \
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".subsection 1\n" \
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".subsection 1\n\t" \
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"1:\tleal %0, %%eax\n\t" \
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".type _L_unlock_%=,@function\n" \
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"_L_unlock_%=:\n\t" \
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"leal %0, %%eax\n\t" \
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"call __lll_unlock_wake\n\t" \
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"call __lll_unlock_wake\n\t" \
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"jmp 2f\n\t" \
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"jmp 2f\n\t" \
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".size _L_unlock_%=,.-_L_unlock_%=\n" \
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".previous\n" \
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".previous\n" \
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"2:" \
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"2:" \
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: "=m" (futex), "=&a" (ignore) \
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: "=m" (futex), "=&a" (ignore) \
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61
nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h
Normal file
61
nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h
Normal file
@ -0,0 +1,61 @@
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/* Uncancelable versions of cancelable interfaces. Linux version.
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Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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|
License as published by the Free Software Foundation; either
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|
version 2.1 of the License, or (at your option) any later version.
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|
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The GNU C Library is distributed in the hope that it will be useful,
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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|
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
|
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|
License along with the GNU C Library; if not, write to the Free
|
||||||
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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|
02111-1307 USA. */
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#include <sysdep.h>
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|
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/* Uncancelable open. */
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extern int __open_nocancel (const char *, int, ...);
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#define open_not_cancel(name, flags, mode) \
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__open_nocancel (name, flags, mode)
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#define open_not_cancel_2(name, flags) \
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__open_nocancel (name, flags)
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|
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/* Uncancelable close. */
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|
extern int __close_nocancel (int);
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|
#define close_not_cancel(fd) \
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__close_nocancel (fd)
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|
#define close_not_cancel_no_status(fd) \
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|
(void) ({ INTERNAL_SYSCALL_DECL (err); \
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|
INTERNAL_SYSCALL (close, err, 1, (fd)); })
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|
|
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|
/* Uncancelable read. */
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|
extern int __read_nocancel (int, void *, size_t);
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|
#define read_not_cancel(fd, buf, n) \
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|
__read_nocancel (fd, buf, n)
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|
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|
/* Uncancelable write. */
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|
extern int __write_nocancel (int, const void *, size_t);
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|
#define write_not_cancel(fd, buf, n) \
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|
__write_nocancel (fd, buf, n)
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|
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|
/* Uncancelable writev. */
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|
#define writev_not_cancel_no_status(fd, iov, n) \
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|
(void) ({ INTERNAL_SYSCALL_DECL (err); \
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|
INTERNAL_SYSCALL (writev, err, 3, (fd), (iov), (n)); })
|
||||||
|
|
||||||
|
/* Uncancelable waitpid. */
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|
#ifdef __NR_waitpid
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|
extern pid_t __waitpid_nocancel (pid_t, int *, int);
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|
# define waitpid_not_cancel(pid, stat_loc, options) \
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|
__waitpid_nocancel (pid, stat_loc, options)
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|
#else
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|
# define waitpid_not_cancel(pid, stat_loc, options) \
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|
INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
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|
#endif
|
@ -32,10 +32,14 @@
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L(name##START): \
|
L(name##START): \
|
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cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
|
cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
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jne L(pseudo_cancel); \
|
jne L(pseudo_cancel); \
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|
.type __##syscall_name##_nocancel,@function; \
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|
.globl __##syscall_name##_nocancel; \
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|
__##syscall_name##_nocancel: \
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DO_CALL (syscall_name, args); \
|
DO_CALL (syscall_name, args); \
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cmpl $-4095, %eax; \
|
cmpl $-4095, %eax; \
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jae SYSCALL_ERROR_LABEL; \
|
jae SYSCALL_ERROR_LABEL; \
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ret; \
|
ret; \
|
||||||
|
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
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L(pseudo_cancel): \
|
L(pseudo_cancel): \
|
||||||
CENABLE \
|
CENABLE \
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||||||
SAVE_OLDTYPE_##args \
|
SAVE_OLDTYPE_##args \
|
||||||
|
1
nptl/sysdeps/unix/sysv/linux/x86_64/not-cancel.h
Normal file
1
nptl/sysdeps/unix/sysv/linux/x86_64/not-cancel.h
Normal file
@ -0,0 +1 @@
|
|||||||
|
#include "../i386/test-cancel.h"
|
@ -31,10 +31,14 @@
|
|||||||
ENTRY (name) \
|
ENTRY (name) \
|
||||||
SINGLE_THREAD_P; \
|
SINGLE_THREAD_P; \
|
||||||
jne L(pseudo_cancel); \
|
jne L(pseudo_cancel); \
|
||||||
|
.type __##syscall_name##_nocancel,@function; \
|
||||||
|
.globl __##syscall_name##_nocancel; \
|
||||||
|
__##syscall_name##_nocancel: \
|
||||||
DO_CALL (syscall_name, args); \
|
DO_CALL (syscall_name, args); \
|
||||||
cmpq $-4095, %rax; \
|
cmpq $-4095, %rax; \
|
||||||
jae SYSCALL_ERROR_LABEL; \
|
jae SYSCALL_ERROR_LABEL; \
|
||||||
ret; \
|
ret; \
|
||||||
|
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
|
||||||
L(pseudo_cancel): \
|
L(pseudo_cancel): \
|
||||||
/* Save registers that might get destroyed. */ \
|
/* Save registers that might get destroyed. */ \
|
||||||
SAVESTK_##args \
|
SAVESTK_##args \
|
||||||
|
@ -5,3 +5,4 @@ vm86 - vm86 i:p __vm86 vm86
|
|||||||
oldgetrlimit EXTRA getrlimit i:ip __old_getrlimit getrlimit@GLIBC_2.0
|
oldgetrlimit EXTRA getrlimit i:ip __old_getrlimit getrlimit@GLIBC_2.0
|
||||||
oldsetrlimit EXTRA setrlimit i:ip __old_setrlimit setrlimit@GLIBC_2.0
|
oldsetrlimit EXTRA setrlimit i:ip __old_setrlimit setrlimit@GLIBC_2.0
|
||||||
time - time Ei:p time
|
time - time Ei:p time
|
||||||
|
waitpid - waitpid Ci:ipi __waitpid waitpid __libc_waitpid
|
||||||
|
Loading…
Reference in New Issue
Block a user