Dmitry V. Levin
99a0544f01
* configure.ac (AC_CHECK_TYPES): Remove struct user_desc. * ldt.c: New file. * Makefile.am (strace_SOURCES): Add ldt.c. * mem.c: Do not include <asm/ldt.h>. (print_ldt_entry): Remove. (sys_modify_ldt, sys_set_thread_area, sys_get_thread_area): Move... * ldt.c: ... here. * process.c: Do not include <asm/ldt.h>. (sys_clone) [I386 || X86_64 || X32]: Use print_user_desc.
111 lines
1.9 KiB
C
111 lines
1.9 KiB
C
#include "defs.h"
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#if defined I386 || defined X86_64 || defined X32
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# include <asm/ldt.h>
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void
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print_user_desc(struct tcb *tcp, long addr)
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{
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struct user_desc desc;
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if (umove(tcp, addr, &desc) < 0) {
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tprintf("%lx", addr);
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return;
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}
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if (!verbose(tcp)) {
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tprintf("{entry_number:%d, ...}", desc.entry_number);
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return;
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}
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tprintf("{entry_number:%d, "
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"base_addr:%#08x, "
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"limit:%d, "
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"seg_32bit:%d, "
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"contents:%d, "
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"read_exec_only:%d, "
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"limit_in_pages:%d, "
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"seg_not_present:%d, "
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"useable:%d}",
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desc.entry_number,
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desc.base_addr,
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desc.limit,
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desc.seg_32bit,
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desc.contents,
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desc.read_exec_only,
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desc.limit_in_pages,
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desc.seg_not_present,
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desc.useable);
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}
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int
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sys_modify_ldt(struct tcb *tcp)
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{
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if (entering(tcp)) {
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tprintf("%ld, ", tcp->u_arg[0]);
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if (tcp->u_arg[1] == 0
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|| tcp->u_arg[2] != sizeof(struct user_desc)) {
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tprintf("%lx", tcp->u_arg[1]);
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} else {
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print_user_desc(tcp, tcp->u_arg[1]);
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}
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tprintf(", %lu", tcp->u_arg[2]);
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}
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return 0;
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}
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int
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sys_set_thread_area(struct tcb *tcp)
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{
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if (entering(tcp)) {
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print_user_desc(tcp, tcp->u_arg[0]);
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} else {
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struct user_desc desc;
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if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &desc) < 0) {
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/* returned entry_number is not available */
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} else {
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static char outstr[32];
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sprintf(outstr, "entry_number:%d", desc.entry_number);
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tcp->auxstr = outstr;
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return RVAL_STR;
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}
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}
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return 0;
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}
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int
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sys_get_thread_area(struct tcb *tcp)
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{
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if (exiting(tcp)) {
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if (syserror(tcp))
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tprintf("%lx", tcp->u_arg[0]);
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else
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print_user_desc(tcp, tcp->u_arg[0]);
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}
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return 0;
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}
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#endif /* I386 || X86_64 || X32 */
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#if defined(M68K) || defined(MIPS)
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int
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sys_set_thread_area(struct tcb *tcp)
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{
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if (entering(tcp))
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tprintf("%#lx", tcp->u_arg[0]);
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return 0;
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}
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#endif
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#if defined(M68K)
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int
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sys_get_thread_area(struct tcb *tcp)
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{
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return RVAL_HEX;
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}
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#endif
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