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8ab17244a8
it to setup vsyscall redirects on amd64 and the _dl_sysinfo_int80 redirect on x86. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3503
29 lines
677 B
C
29 lines
677 B
C
#include "core.h"
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/* Rerouted entry point for __NR_gettimeofday */
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static void amd64_linux_rerouted__vgettimeofday(void)
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{
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asm(
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" movq $96, %rax\n"
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" syscall\n"
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);
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}
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/* Rerouted entry point for __NR_time */
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static void amd64_linux_rerouted__vtime(void)
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{
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asm(
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" movq $201, %rax\n"
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" syscall\n"
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);
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}
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void VGP_(setup_redirects)(void)
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{
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/* Redirect vsyscalls to local versions */
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VG_(add_redirect_addr_to_addr)(0xFFFFFFFFFF600000ULL,
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(Addr)amd64_linux_rerouted__vgettimeofday);
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VG_(add_redirect_addr_to_addr)(0xFFFFFFFFFF600400ULL,
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(Addr)amd64_linux_rerouted__vtime);
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}
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