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Differential D891 Diff 1879 lib/libproc/tests/proc_test.c

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lib/libproc/tests/proc_test.c

Show First 20 Lines • Show All 221 Lines • ▼ Show 20 LinesATF_TC_HEAD(map_alias_name2sym, tc)
atf_tc_set_md_var(tc, "descr", atf_tc_set_md_var(tc, "descr",
"Callers are supposed to be able to use \"a.out\" as an alias for " "Callers are supposed to be able to use \"a.out\" as an alias for "
"the program executable. Make sure that proc_name2sym() handles " "the program executable. Make sure that proc_name2sym() handles "
"this properly."); "this properly.");
} }
ATF_TC_BODY(map_alias_name2sym, tc) ATF_TC_BODY(map_alias_name2sym, tc)
{ {
GElf_Sym sym1, sym2; GElf_Sym sym1, sym2;
prsyminfo_t si1, si2;
struct proc_handle *phdl; struct proc_handle *phdl;
int error; int error;
phdl = start_prog(tc, false); phdl = start_prog(tc, false);
/* Initialize the rtld_db handle. */ /* Initialize the rtld_db handle. */
(void)proc_rdagent(phdl); (void)proc_rdagent(phdl);
/* /*
* Make sure that "target_prog:main" and "a.out:main" return the same * Make sure that "target_prog:main" and "a.out:main" return the same
* symbol. * symbol.
*/ */
error = proc_name2sym(phdl, target_prog_file, "main", &sym1); error = proc_name2sym(phdl, target_prog_file, "main", &sym1, &si1);
ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'main' via %s", ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'main' via %s",
target_prog_file); target_prog_file);
error = proc_name2sym(phdl, aout_object, "main", &sym2); error = proc_name2sym(phdl, aout_object, "main", &sym2, &si2);
ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'main' via %s", ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'main' via %s",
aout_object); aout_object);
ATF_CHECK_EQ(memcmp(&sym1, &sym2, sizeof(sym1)), 0); ATF_CHECK_EQ(memcmp(&sym1, &sym2, sizeof(sym1)), 0);
ATF_CHECK_EQ(si1.prs_id, si2.prs_id);
ATF_CHECK_EQ_MSG(proc_continue(phdl), 0, "failed to resume execution"); ATF_CHECK_EQ_MSG(proc_continue(phdl), 0, "failed to resume execution");
proc_free(phdl); proc_free(phdl);
} }
ATF_TC(symbol_lookup); ATF_TC(symbol_lookup);
ATF_TC_HEAD(symbol_lookup, tc) ATF_TC_HEAD(symbol_lookup, tc)
{ {
atf_tc_set_md_var(tc, "descr", atf_tc_set_md_var(tc, "descr",
"Look up a couple of well-known symbols in the test program, place " "Look up a couple of well-known symbols in the test program, place "
"breakpoints on them, and verify that we hit the breakpoints. Also " "breakpoints on them, and verify that we hit the breakpoints. Also "
"make sure that we can use the breakpoint address to look up the " "make sure that we can use the breakpoint address to look up the "
"corresponding symbol."); "corresponding symbol.");
} }
ATF_TC_BODY(symbol_lookup, tc) ATF_TC_BODY(symbol_lookup, tc)
{ {
GElf_Sym main_sym, r_debug_state_sym; GElf_Sym main_sym, r_debug_state_sym;
struct proc_handle *phdl; struct proc_handle *phdl;
u_long saved; u_long saved;
int error; int error;
phdl = start_prog(tc, false); phdl = start_prog(tc, false);
error = proc_name2sym(phdl, target_prog_file, "main", &main_sym); error = proc_name2sym(phdl, target_prog_file, "main", &main_sym, NULL);
ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'main'"); ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'main'");
error = proc_name2sym(phdl, ldelf_object, "r_debug_state", error = proc_name2sym(phdl, ldelf_object, "r_debug_state",
&r_debug_state_sym); &r_debug_state_sym, NULL);
ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'r_debug_state'"); ATF_REQUIRE_EQ_MSG(error, 0, "failed to look up 'r_debug_state'");
set_bkpt(phdl, r_debug_state_sym.st_value, &saved); set_bkpt(phdl, r_debug_state_sym.st_value, &saved);
ATF_CHECK_EQ_MSG(proc_continue(phdl), 0, "failed to resume execution"); ATF_CHECK_EQ_MSG(proc_continue(phdl), 0, "failed to resume execution");
verify_bkpt(phdl, &r_debug_state_sym, "r_debug_state", ldelf_object); verify_bkpt(phdl, &r_debug_state_sym, "r_debug_state", ldelf_object);
remove_bkpt(phdl, r_debug_state_sym.st_value, saved); remove_bkpt(phdl, r_debug_state_sym.st_value, saved);
set_bkpt(phdl, main_sym.st_value, &saved); set_bkpt(phdl, main_sym.st_value, &saved);
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