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Moved support for Linux-specific system call sys_init_module from generic to Linux wrappers. Added wrapper for sys_delete_module system call.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8266
This commit is contained in:
Bart Van Assche 2008-06-21 16:28:24 +00:00
parent c279a0ffc9
commit bd28f145d5
8 changed files with 36 additions and 20 deletions
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1
coregrind/m_syswrap/priv_syswrap-generic.h
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@ -178,7 +178,6 @@ DECL_TEMPLATE(generic, sys_fstatfs); // * L?
DECL_TEMPLATE(generic, sys_iopl); // (x86/amd64) L
DECL_TEMPLATE(generic, sys_ipc); // (x86) L
DECL_TEMPLATE(generic, sys_newuname); // * P
DECL_TEMPLATE(generic, sys_init_module); // * L?
DECL_TEMPLATE(generic, sys_pread64); // * (Unix98?)
DECL_TEMPLATE(generic, sys_pwrite64); // * (Unix98?)
DECL_TEMPLATE(generic, sys_sigaltstack); // (x86) (XPG4-UNIX)

4
coregrind/m_syswrap/priv_syswrap-linux.h
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@ -230,6 +230,10 @@ DECL_TEMPLATE(linux, sys_rt_sigsuspend);
// Linux-specific?
DECL_TEMPLATE(linux, sys_sync_file_range);
// Linux specific (kernel modules)
DECL_TEMPLATE(linux, sys_init_module);
DECL_TEMPLATE(linux, sys_delete_module);
/* ---------------------------------------------------------------------
Wrappers for sockets and ipc-ery. These are split into standalone
procedures because x86-linux hides them inside multiplexors

4
coregrind/m_syswrap/syswrap-amd64-linux.c
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@ -1256,8 +1256,8 @@ const SyscallTableEntry ML_(syscall_table)[] = {
LINX_(__NR_ioperm, sys_ioperm), // 173
GENX_(__NR_create_module, sys_ni_syscall), // 174
GENX_(__NR_init_module, sys_init_module), // 175
// (__NR_delete_module, sys_delete_module), // 176
LINX_(__NR_init_module, sys_init_module), // 175
LINX_(__NR_delete_module, sys_delete_module), // 176
// (__NR_get_kernel_syms, sys_ni_syscall), // 177
// (__NR_query_module, sys_ni_syscall), // 178
//LINX_(__NR_quotactl, sys_quotactl), // 179

11
coregrind/m_syswrap/syswrap-generic.c
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@ -2342,17 +2342,6 @@ PRE(sys_flock)
PRE_REG_READ2(long, "flock", unsigned int, fd, unsigned int, operation);
}
/* This surely isn't remotely generic -- move to linux-specifics? */
PRE(sys_init_module)
{
*flags |= SfMayBlock;
PRINT("sys_init_module ( %p, %llu, %p )", ARG1, (ULong)ARG2, ARG3 );
PRE_REG_READ3(long, "init_module",
void *, umod, unsigned long, len, const char *, uargs);
PRE_MEM_READ( "init_module(umod)", ARG1, ARG2 );
PRE_MEM_RASCIIZ( "init_module(uargs)", ARG3 );
}
// Pre_read a char** argument.
static void pre_argv_envp(Addr a, ThreadId tid, Char* s1, Char* s2)
{

24
coregrind/m_syswrap/syswrap-linux.c
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@ -3012,6 +3012,30 @@ PRE(sys_ioprio_set)
PRE_REG_READ3(int, "ioprio_set", int, which, int, who, int, ioprio);
}
/* ---------------------------------------------------------------------
_module wrappers
------------------------------------------------------------------ */
PRE(sys_init_module)
{
*flags |= SfMayBlock;
PRINT("sys_init_module ( %p, %llu, %p(\"%s\") )",
ARG1, (ULong)ARG2, ARG3, ARG3);
PRE_REG_READ3(long, "init_module",
void *, umod, unsigned long, len, const char *, uargs);
PRE_MEM_READ( "init_module(umod)", ARG1, ARG2 );
PRE_MEM_RASCIIZ( "init_module(uargs)", ARG3 );
}
PRE(sys_delete_module)
{
*flags |= SfMayBlock;
PRINT("sys_delete_module ( %p(\"%s\"), 0x%x )", ARG1,ARG1, ARG2);
PRE_REG_READ2(long, "delete_module",
const char *, name_user, unsigned int, flags);
PRE_MEM_RASCIIZ("delete_module(name_user)", ARG1);
}
#undef PRE
#undef POST

4
coregrind/m_syswrap/syswrap-ppc32-linux.c
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@ -1623,8 +1623,8 @@ const SyscallTableEntry ML_(syscall_table)[] = {
GENXY(__NR_mprotect, sys_mprotect), // 125
LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
GENX_(__NR_create_module, sys_ni_syscall), // 127
//.. GENX_(__NR_init_module, sys_init_module), // 128
//.. // (__NR_delete_module, sys_delete_module), // 129 (*/Linux)?
LINX_(__NR_init_module, sys_init_module), // 128
LINX_(__NR_delete_module, sys_delete_module), // 129
//..
//.. // Nb: get_kernel_syms() was removed 2.4-->2.6
//.. GENX_(__NR_get_kernel_syms, sys_ni_syscall), // 130

4
coregrind/m_syswrap/syswrap-ppc64-linux.c
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@ -1293,8 +1293,8 @@ const SyscallTableEntry ML_(syscall_table)[] = {
GENXY(__NR_mprotect, sys_mprotect), // 125
// _____(__NR_sigprocmask, sys_sigprocmask), // 126
GENX_(__NR_create_module, sys_ni_syscall), // 127
// _____(__NR_init_module, sys_init_module), // 128
// _____(__NR_delete_module, sys_delete_module), // 129
LINX_(__NR_init_module, sys_init_module), // 128
LINX_(__NR_delete_module, sys_delete_module), // 129
// _____(__NR_get_kernel_syms, sys_get_kernel_syms), // 130
// _____(__NR_quotactl, sys_quotactl), // 131

4
coregrind/m_syswrap/syswrap-x86-linux.c
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@ -1993,8 +1993,8 @@ const SyscallTableEntry ML_(syscall_table)[] = {
LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
//zz // Nb: create_module() was removed 2.4-->2.6
GENX_(__NR_create_module, sys_ni_syscall), // 127
GENX_(__NR_init_module, sys_init_module), // 128
//zz // (__NR_delete_module, sys_delete_module), // 129 (*/Linux)?
LINX_(__NR_init_module, sys_init_module), // 128
LINX_(__NR_delete_module, sys_delete_module), // 129
//zz
//zz // Nb: get_kernel_syms() was removed 2.4-->2.6
GENX_(__NR_get_kernel_syms, sys_ni_syscall), // 130