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authorMarcin Kościelnicki <koriakin@0x04.net>2015-12-13 02:53:09 +0100
committerMarcin Kościelnicki <koriakin@0x04.net>2016-02-15 11:59:25 +0100
commit2b63aca39c2b0abbb410f7a5a60124ac5abf7438 (patch)
treeb36035e99ba8c26bc6f584bd79e98bd19252da68 /gold
parent0a0da55626b632a8b8beb6c7878b866861e5daee (diff)
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gold: Add s390 -fsplit-stack support.
gold/ChangeLog: * s390.cc (Target_s390::match_view_u): New helper method. (Target_s390::do_is_call_to_non_split): New method. (Target_s390::ss_code_st_r14): New const. (Target_s390::ss_code_l_r14): New const. (Target_s390::ss_code_bras_8): New const. (Target_s390::ss_code_l_basr): New const. (Target_s390::ss_code_a_basr): New const. (Target_s390::ss_code_ear): New const. (Target_s390::ss_code_c): New const. (Target_s390::ss_code_larl): New const. (Target_s390::ss_code_brasl): New const. (Target_s390::ss_code_jg): New const. (Target_s390::ss_code_jgl): New const. (Target_s390::ss_match_mcount): New helper method. (Target_s390::ss_match_l): New helper method. (Target_s390::ss_match_ahi): New helper method. (Target_s390::ss_match_alfi): New helper method. (Target_s390::ss_match_cr): New helper method. (Target_s390::do_calls_non_split): New method. * testsuite/Makefile.am: Added new tests. * testsuite/split_s390.sh: New test. * testsuite/split_s390_1_a1.s: New test. * testsuite/split_s390_1_a2.s: New test. * testsuite/split_s390_1_n1.s: New test. * testsuite/split_s390_1_n2.s: New test. * testsuite/split_s390_1_z1.s: New test. * testsuite/split_s390_1_z2.s: New test. * testsuite/split_s390_1_z3.s: New test. * testsuite/split_s390_1_z4.s: New test. * testsuite/split_s390_2_ns.s: New test. * testsuite/split_s390_2_s.s: New test. * testsuite/split_s390x_1_a1.s: New test. * testsuite/split_s390x_1_a2.s: New test. * testsuite/split_s390x_1_n1.s: New test. * testsuite/split_s390x_1_n2.s: New test. * testsuite/split_s390x_1_z1.s: New test. * testsuite/split_s390x_1_z2.s: New test. * testsuite/split_s390x_1_z3.s: New test. * testsuite/split_s390x_1_z4.s: New test. * testsuite/split_s390x_2_ns.s: New test. * testsuite/split_s390x_2_s.s: New test.
Diffstat (limited to 'gold')
-rw-r--r--gold/ChangeLog45
-rw-r--r--gold/s390.cc605
-rw-r--r--gold/testsuite/Makefile.am174
-rw-r--r--gold/testsuite/Makefile.in185
-rwxr-xr-xgold/testsuite/split_s390.sh117
-rw-r--r--gold/testsuite/split_s390_1_a1.s27
-rw-r--r--gold/testsuite/split_s390_1_a2.s28
-rw-r--r--gold/testsuite/split_s390_1_n1.s16
-rw-r--r--gold/testsuite/split_s390_1_n2.s15
-rw-r--r--gold/testsuite/split_s390_1_z1.s37
-rw-r--r--gold/testsuite/split_s390_1_z2.s39
-rw-r--r--gold/testsuite/split_s390_1_z3.s41
-rw-r--r--gold/testsuite/split_s390_1_z4.s41
-rw-r--r--gold/testsuite/split_s390_2_ns.s12
-rw-r--r--gold/testsuite/split_s390_2_s.s13
-rw-r--r--gold/testsuite/split_s390x_1_a1.s27
-rw-r--r--gold/testsuite/split_s390x_1_a2.s28
-rw-r--r--gold/testsuite/split_s390x_1_n1.s16
-rw-r--r--gold/testsuite/split_s390x_1_n2.s15
-rw-r--r--gold/testsuite/split_s390x_1_z1.s37
-rw-r--r--gold/testsuite/split_s390x_1_z2.s41
-rw-r--r--gold/testsuite/split_s390x_1_z3.s43
-rw-r--r--gold/testsuite/split_s390x_1_z4.s43
-rw-r--r--gold/testsuite/split_s390x_2_ns.s12
-rw-r--r--gold/testsuite/split_s390x_2_s.s13
25 files changed, 1664 insertions, 6 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 8534b51..1e261e2 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,48 @@
+2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
+
+ * s390.cc (Target_s390::match_view_u): New helper method.
+ (Target_s390::do_is_call_to_non_split): New method.
+ (Target_s390::ss_code_st_r14): New const.
+ (Target_s390::ss_code_l_r14): New const.
+ (Target_s390::ss_code_bras_8): New const.
+ (Target_s390::ss_code_l_basr): New const.
+ (Target_s390::ss_code_a_basr): New const.
+ (Target_s390::ss_code_ear): New const.
+ (Target_s390::ss_code_c): New const.
+ (Target_s390::ss_code_larl): New const.
+ (Target_s390::ss_code_brasl): New const.
+ (Target_s390::ss_code_jg): New const.
+ (Target_s390::ss_code_jgl): New const.
+ (Target_s390::ss_match_mcount): New helper method.
+ (Target_s390::ss_match_l): New helper method.
+ (Target_s390::ss_match_ahi): New helper method.
+ (Target_s390::ss_match_alfi): New helper method.
+ (Target_s390::ss_match_cr): New helper method.
+ (Target_s390::do_calls_non_split): New method.
+ * testsuite/Makefile.am: Added new tests.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/split_s390.sh: New test.
+ * testsuite/split_s390_1_a1.s: New test.
+ * testsuite/split_s390_1_a2.s: New test.
+ * testsuite/split_s390_1_n1.s: New test.
+ * testsuite/split_s390_1_n2.s: New test.
+ * testsuite/split_s390_1_z1.s: New test.
+ * testsuite/split_s390_1_z2.s: New test.
+ * testsuite/split_s390_1_z3.s: New test.
+ * testsuite/split_s390_1_z4.s: New test.
+ * testsuite/split_s390_2_ns.s: New test.
+ * testsuite/split_s390_2_s.s: New test.
+ * testsuite/split_s390x_1_a1.s: New test.
+ * testsuite/split_s390x_1_a2.s: New test.
+ * testsuite/split_s390x_1_n1.s: New test.
+ * testsuite/split_s390x_1_n2.s: New test.
+ * testsuite/split_s390x_1_z1.s: New test.
+ * testsuite/split_s390x_1_z2.s: New test.
+ * testsuite/split_s390x_1_z3.s: New test.
+ * testsuite/split_s390x_1_z4.s: New test.
+ * testsuite/split_s390x_2_ns.s: New test.
+ * testsuite/split_s390x_2_s.s: New test.
+
2016-02-11 Rahul Chaudhry <rahulchaudhry@google.com>
* aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
diff --git a/gold/s390.cc b/gold/s390.cc
index 2671441..5245eca 100644
--- a/gold/s390.cc
+++ b/gold/s390.cc
@@ -417,6 +417,20 @@ class Target_s390 : public Sized_target<size, true>
do_can_check_for_function_pointers() const
{ return true; }
+ // Return whether SYM is call to a non-split function.
+ bool
+ do_is_call_to_non_split(const Symbol* sym, const unsigned char* preloc,
+ const unsigned char* view,
+ section_size_type view_size) const;
+
+ // Adjust -fsplit-stack code which calls non-split-stack code.
+ void
+ do_calls_non_split(Relobj* object, unsigned int shndx,
+ section_offset_type fnoffset, section_size_type fnsize,
+ const unsigned char* prelocs, size_t reloc_count,
+ unsigned char* view, section_size_type view_size,
+ std::string* from, std::string* to) const;
+
// Return the size of the GOT section.
section_size_type
got_size() const
@@ -693,6 +707,17 @@ class Target_s390 : public Sized_target<size, true>
this->rela_dyn_section(layout));
}
+ // A function for targets to call. Return whether BYTES/LEN matches
+ // VIEW/VIEW_SIZE at OFFSET. Like the one in Target, but takes
+ // an unsigned char * parameter.
+ bool
+ match_view_u(const unsigned char* view, section_size_type view_size,
+ section_offset_type offset, const unsigned char* bytes, size_t len) const
+ {
+ return this->match_view(view, view_size, offset,
+ reinterpret_cast<const char*>(bytes), len);
+ }
+
// Information about this specific target which we pass to the
// general Target structure.
static Target::Target_info s390_info;
@@ -730,6 +755,42 @@ class Target_s390 : public Sized_target<size, true>
bool tls_base_symbol_defined_;
// For use in do_tls_offset_for_*
Layout *layout_;
+
+ // Code sequences for -fsplit-stack matching.
+ static const unsigned char ss_code_st_r14[];
+ static const unsigned char ss_code_l_r14[];
+ static const unsigned char ss_code_bras_8[];
+ static const unsigned char ss_code_l_basr[];
+ static const unsigned char ss_code_a_basr[];
+ static const unsigned char ss_code_ear[];
+ static const unsigned char ss_code_c[];
+ static const unsigned char ss_code_larl[];
+ static const unsigned char ss_code_brasl[];
+ static const unsigned char ss_code_jg[];
+ static const unsigned char ss_code_jgl[];
+
+ // Variable code sequence matchers for -fsplit-stack.
+ bool ss_match_mcount(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset) const;
+ bool ss_match_l(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int *guard_reg) const;
+ bool ss_match_ahi(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg,
+ uint32_t *arg) const;
+ bool ss_match_alfi(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg,
+ uint32_t *arg) const;
+ bool ss_match_cr(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg) const;
};
template<>
@@ -4192,6 +4253,550 @@ Target_s390<size>::do_code_fill(section_size_type length) const
return std::string(length, static_cast<char>(0x07));
}
+// Return whether SYM should be treated as a call to a non-split
+// function. We don't want that to be true of a larl instruction
+// that merely loads its address.
+
+template<int size>
+bool
+Target_s390<size>::do_is_call_to_non_split(const Symbol* sym,
+ const unsigned char* preloc,
+ const unsigned char* view,
+ section_size_type view_size) const
+{
+ if (sym->type() != elfcpp::STT_FUNC)
+ return false;
+ typename Reloc_types<elfcpp::SHT_RELA, size, true>::Reloc reloc(preloc);
+ typename elfcpp::Elf_types<size>::Elf_WXword r_info
+ = reloc.get_r_info();
+ unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
+ section_offset_type offset = reloc.get_r_offset();
+ switch (r_type)
+ {
+ // PLT refs always involve calling the function.
+ case elfcpp::R_390_PLT12DBL:
+ case elfcpp::R_390_PLT16DBL:
+ case elfcpp::R_390_PLT24DBL:
+ case elfcpp::R_390_PLT32:
+ case elfcpp::R_390_PLT32DBL:
+ case elfcpp::R_390_PLT64:
+ case elfcpp::R_390_PLTOFF16:
+ case elfcpp::R_390_PLTOFF32:
+ case elfcpp::R_390_PLTOFF64:
+ // Could be used for calls for -msmall-exec.
+ case elfcpp::R_390_PC16DBL:
+ return true;
+
+ // Tricky case. When used in a brasl, jg, and other branch instructions,
+ // it's a call or a sibcall. However, when used in larl, it only loads
+ // the function's address - not a call.
+ case elfcpp::R_390_PC32DBL:
+ {
+ if (offset < 2
+ || offset + 4 > static_cast<section_offset_type>(view_size))
+ {
+ // Should not happen.
+ gold_error(_("instruction with PC32DBL not wholly within section"));
+ return false;
+ }
+
+ uint8_t op0 = view[offset-2];
+ uint8_t op1 = view[offset-1] & 0xf;
+
+ // LARL
+ if (op0 == 0xc0 && op1 == 0)
+ return false;
+
+ // Otherwise, it's either a call instruction, a branch instruction
+ // (used as a sibcall), or a data manipulation instruction (which
+ // has no business being used on a function, and can be ignored).
+ return true;
+ }
+
+ // Otherwise, it's probably not a call.
+ default:
+ return false;
+ }
+}
+
+// Code sequences to match below.
+
+template<>
+const unsigned char
+Target_s390<32>::ss_code_st_r14[] = {
+ 0x50, 0xe0, 0xf0, 0x04, // st %r14, 4(%r15)
+};
+
+template<>
+const unsigned char
+Target_s390<64>::ss_code_st_r14[] = {
+ 0xe3, 0xe0, 0xf0, 0x08, 0x00, 0x24 // stg %r14, 8(%r15)
+};
+
+template<>
+const unsigned char
+Target_s390<32>::ss_code_l_r14[] = {
+ 0x58, 0xe0, 0xf0, 0x04, // l %r14, 4(%r15)
+};
+
+template<>
+const unsigned char
+Target_s390<64>::ss_code_l_r14[] = {
+ 0xe3, 0xe0, 0xf0, 0x08, 0x00, 0x04 // lg %r14, 8(%r15)
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_bras_8[] = {
+ 0xa7, 0x15, 0x00, 0x06, // bras %r1, .+0xc
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_l_basr[] = {
+ 0x58, 0xe0, 0x10, 0x00, // l %r14, 0(%r1)
+ 0x58, 0x10, 0x10, 0x04, // l %r1, 4(%r1)
+ 0x0d, 0xee, // basr %r14, %r14
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_a_basr[] = {
+ 0x18, 0xe1, // lr %r14, %r1
+ 0x5a, 0xe0, 0x10, 0x00, // a %r14, 0(%r1)
+ 0x5a, 0x10, 0x10, 0x04, // a %r1, 4(%r1)
+ 0x0d, 0xee, // basr %r14, %r14
+};
+
+template<>
+const unsigned char
+Target_s390<32>::ss_code_ear[] = {
+ 0xb2, 0x4f, 0x00, 0x10, // ear %r1, %a0
+};
+
+template<>
+const unsigned char
+Target_s390<64>::ss_code_ear[] = {
+ 0xb2, 0x4f, 0x00, 0x10, // ear %r1, %a0
+ 0xeb, 0x11, 0x00, 0x20, 0x00, 0x0d, // sllg %r1,%r1,32
+ 0xb2, 0x4f, 0x00, 0x11, // ear %r1, %a1
+};
+
+template<>
+const unsigned char
+Target_s390<32>::ss_code_c[] = {
+ 0x59, 0xf0, 0x10, 0x20, // c %r15, 0x20(%r1)
+};
+
+template<>
+const unsigned char
+Target_s390<64>::ss_code_c[] = {
+ 0xe3, 0xf0, 0x10, 0x38, 0x00, 0x20, // cg %r15, 0x38(%r1)
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_larl[] = {
+ 0xc0, 0x10, // larl %r1, ...
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_brasl[] = {
+ 0xc0, 0xe5, // brasl %r14, ...
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_jg[] = {
+ 0xc0, 0xf4, // jg ...
+};
+
+template<int size>
+const unsigned char
+Target_s390<size>::ss_code_jgl[] = {
+ 0xc0, 0x44, // jgl ...
+};
+
+template<int size>
+bool
+Target_s390<size>::ss_match_mcount(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset) const
+{
+ // Match the mcount call sequence.
+ section_offset_type myoff = *offset;
+
+ // First, look for the store instruction saving %r14.
+ if (!this->match_view_u(view, view_size, myoff, ss_code_st_r14,
+ sizeof ss_code_st_r14))
+ return false;
+ myoff += sizeof ss_code_st_r14;
+
+ // Now, param load and the actual call.
+ if (this->match_view_u(view, view_size, myoff, ss_code_larl,
+ sizeof ss_code_larl))
+ {
+ myoff += sizeof ss_code_larl + 4;
+
+ // After larl, expect a brasl.
+ if (!this->match_view_u(view, view_size, myoff, ss_code_brasl,
+ sizeof ss_code_brasl))
+ return false;
+ myoff += sizeof ss_code_brasl + 4;
+ }
+ else if (size == 32 &&
+ this->match_view_u(view, view_size, myoff, ss_code_bras_8,
+ sizeof ss_code_bras_8))
+ {
+ // The bras skips over a block of 8 bytes, loading its address
+ // to %r1.
+ myoff += sizeof ss_code_bras_8 + 8;
+
+ // Now, there are two sequences used for actual load and call,
+ // absolute and PIC.
+ if (this->match_view_u(view, view_size, myoff, ss_code_l_basr,
+ sizeof ss_code_l_basr))
+ myoff += sizeof ss_code_l_basr;
+ else if (this->match_view_u(view, view_size, myoff, ss_code_a_basr,
+ sizeof ss_code_a_basr))
+ myoff += sizeof ss_code_a_basr;
+ else
+ return false;
+ }
+ else
+ return false;
+
+ // Finally, a load bringing %r14 back.
+ if (!this->match_view_u(view, view_size, myoff, ss_code_l_r14,
+ sizeof ss_code_l_r14))
+ return false;
+ myoff += sizeof ss_code_l_r14;
+
+ // Found it.
+ *offset = myoff;
+ return true;
+}
+
+template<>
+bool
+Target_s390<32>::ss_match_l(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int *guard_reg) const
+{
+ // l %guard_reg, 0x20(%r1)
+ if (convert_to_section_size_type(*offset + 4) > view_size
+ || view[*offset] != 0x58
+ || (view[*offset + 1] & 0xf) != 0x0
+ || view[*offset + 2] != 0x10
+ || view[*offset + 3] != 0x20)
+ return false;
+ *offset += 4;
+ *guard_reg = view[*offset + 1] >> 4 & 0xf;
+ return true;
+}
+
+template<>
+bool
+Target_s390<64>::ss_match_l(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int *guard_reg) const
+{
+ // lg %guard_reg, 0x38(%r1)
+ if (convert_to_section_size_type(*offset + 6) > view_size
+ || view[*offset] != 0xe3
+ || (view[*offset + 1] & 0xf) != 0x0
+ || view[*offset + 2] != 0x10
+ || view[*offset + 3] != 0x38
+ || view[*offset + 4] != 0x00
+ || view[*offset + 5] != 0x04)
+ return false;
+ *offset += 6;
+ *guard_reg = view[*offset + 1] >> 4 & 0xf;
+ return true;
+}
+
+template<int size>
+bool
+Target_s390<size>::ss_match_ahi(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg,
+ uint32_t *arg) const
+{
+ int op = size == 32 ? 0xa : 0xb;
+ // a[g]hi %guard_reg, <arg>
+ if (convert_to_section_size_type(*offset + 4) > view_size
+ || view[*offset] != 0xa7
+ || view[*offset + 1] != (guard_reg << 4 | op)
+ // Disallow negative size.
+ || view[*offset + 2] & 0x80)
+ return false;
+ *arg = elfcpp::Swap<16, true>::readval(view + *offset + 2);
+ *offset += 4;
+ return true;
+}
+
+template<int size>
+bool
+Target_s390<size>::ss_match_alfi(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg,
+ uint32_t *arg) const
+{
+ int op = size == 32 ? 0xb : 0xa;
+ // al[g]fi %guard_reg, <arg>
+ if (convert_to_section_size_type(*offset + 6) > view_size
+ || view[*offset] != 0xc2
+ || view[*offset + 1] != (guard_reg << 4 | op))
+ return false;
+ *arg = elfcpp::Swap<32, true>::readval(view + *offset + 2);
+ *offset += 6;
+ return true;
+}
+
+template<>
+bool
+Target_s390<32>::ss_match_cr(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg) const
+{
+ // cr %r15, %guard_reg
+ if (convert_to_section_size_type(*offset + 2) > view_size
+ || view[*offset] != 0x19
+ || view[*offset + 1] != (0xf0 | guard_reg))
+ return false;
+ *offset += 2;
+ return true;
+}
+
+template<>
+bool
+Target_s390<64>::ss_match_cr(unsigned char* view,
+ section_size_type view_size,
+ section_offset_type *offset,
+ int guard_reg) const
+{
+ // cgr %r15, %guard_reg
+ if (convert_to_section_size_type(*offset + 4) > view_size
+ || view[*offset] != 0xb9
+ || view[*offset + 1] != 0x20
+ || view[*offset + 2] != 0x00
+ || view[*offset + 3] != (0xf0 | guard_reg))
+ return false;
+ *offset += 4;
+ return true;
+}
+
+
+// FNOFFSET in section SHNDX in OBJECT is the start of a function
+// compiled with -fsplit-stack. The function calls non-split-stack
+// code. We have to change the function so that it always ensures
+// that it has enough stack space to run some random function.
+
+template<int size>
+void
+Target_s390<size>::do_calls_non_split(Relobj* object, unsigned int shndx,
+ section_offset_type fnoffset,
+ section_size_type,
+ const unsigned char *prelocs,
+ size_t reloc_count,
+ unsigned char* view,
+ section_size_type view_size,
+ std::string*,
+ std::string*) const
+{
+ // true if there's a conditional call to __morestack in the function,
+ // false if there's an unconditional one.
+ bool conditional = false;
+ // Offset of the byte after the compare insn, if conditional.
+ section_offset_type cmpend = 0;
+ // Type and immediate offset of the add instruction that adds frame size
+ // to guard.
+ enum {
+ SS_ADD_NONE,
+ SS_ADD_AHI,
+ SS_ADD_ALFI,
+ } fsadd_type = SS_ADD_NONE;
+ section_offset_type fsadd_offset = 0;
+ uint32_t fsadd_frame_size = 0;
+ // Register used for loading guard. Usually r1, but can also be r0 or r2-r5.
+ int guard_reg;
+ // Offset of the conditional jump.
+ section_offset_type jump_offset = 0;
+ // Section view and offset of param block.
+ section_offset_type param_offset = 0;
+ unsigned char *param_view = 0;
+ section_size_type param_view_size = 0;
+ // Current position in function.
+ section_offset_type curoffset = fnoffset;
+ // And the position of split-stack prologue.
+ section_offset_type ssoffset;
+ // Frame size.
+ typename elfcpp::Elf_types<size>::Elf_Addr frame_size;
+ // Relocation parsing.
+ typedef typename Reloc_types<elfcpp::SHT_RELA, size, true>::Reloc Reltype;
+ const int reloc_size = Reloc_types<elfcpp::SHT_RELA, size, true>::reloc_size;
+ const unsigned char *pr = prelocs;
+
+ // If the function was compiled with -pg, the profiling code may come before
+ // the split-stack prologue. Skip it.
+
+ this->ss_match_mcount(view, view_size, &curoffset);
+ ssoffset = curoffset;
+
+ // First, figure out if there's a conditional call by looking for the
+ // extract-tp, add, cmp sequence.
+
+ if (this->match_view_u(view, view_size, curoffset, ss_code_ear,
+ sizeof ss_code_ear))
+ {
+ // Found extract-tp, now look for an add and compare.
+ curoffset += sizeof ss_code_ear;
+ conditional = true;
+ if (this->match_view_u(view, view_size, curoffset, ss_code_c,
+ sizeof ss_code_c))
+ {
+ // Found a direct compare of stack pointer with the guard,
+ // we're done here.
+ curoffset += sizeof ss_code_c;
+ }
+ else if (this->ss_match_l(view, view_size, &curoffset, &guard_reg))
+ {
+ // Found a load of guard to register, look for an add and compare.
+ if (this->ss_match_ahi(view, view_size, &curoffset, guard_reg,
+ &fsadd_frame_size))
+ {
+ fsadd_type = SS_ADD_AHI;
+ fsadd_offset = curoffset - 2;
+ }
+ else if (this->ss_match_alfi(view, view_size, &curoffset, guard_reg,
+ &fsadd_frame_size))
+ {
+ fsadd_type = SS_ADD_ALFI;
+ fsadd_offset = curoffset - 4;
+ }
+ else
+ {
+ goto bad;
+ }
+ // Now, there has to be a compare.
+ if (!this->ss_match_cr(view, view_size, &curoffset, guard_reg))
+ goto bad;
+ }
+ else
+ {
+ goto bad;
+ }
+ cmpend = curoffset;
+ }
+
+ // Second, look for the call.
+ if (!this->match_view_u(view, view_size, curoffset, ss_code_larl,
+ sizeof ss_code_larl))
+ goto bad;
+ curoffset += sizeof ss_code_larl;
+
+ // Find out larl's operand. It should be a local symbol in .rodata
+ // section.
+ for (size_t i = 0; i < reloc_count; ++i, pr += reloc_size)
+ {
+ Reltype reloc(pr);
+ if (static_cast<section_offset_type>(reloc.get_r_offset())
+ == curoffset)
+ {
+ typename elfcpp::Elf_types<size>::Elf_WXword r_info
+ = reloc.get_r_info();
+ unsigned int r_sym = elfcpp::elf_r_sym<size>(r_info);
+ unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
+ if (r_type != elfcpp::R_390_PC32DBL)
+ goto bad;
+ if (r_sym >= object->local_symbol_count())
+ goto bad;
+ Sized_relobj_file<size, true> *object_sized =
+ static_cast<Sized_relobj_file<size, true> *>(object);
+ const Symbol_value<size>* sym = object_sized->local_symbol(r_sym);
+ bool param_shndx_ordinary;
+ const unsigned int param_shndx =
+ sym->input_shndx(&param_shndx_ordinary);
+ if (!param_shndx_ordinary)
+ goto bad;
+ param_offset = sym->input_value() + reloc.get_r_addend() - 2
+ - object->output_section(param_shndx)->address()
+ - object->output_section_offset(param_shndx);
+ param_view = object->get_output_view(param_shndx,
+ &param_view_size);
+ break;
+ }
+ }
+
+ if (!param_view)
+ goto bad;
+
+ curoffset += 4;
+
+ // Now, there has to be a jump to __morestack.
+ jump_offset = curoffset;
+
+ if (this->match_view_u(view, view_size, curoffset,
+ conditional ? ss_code_jgl : ss_code_jg,
+ sizeof ss_code_jg))
+ curoffset += sizeof ss_code_jg;
+ else
+ goto bad;
+
+ curoffset += 4;
+
+ // Read the frame size.
+ if (convert_to_section_size_type(param_offset + size / 8) > param_view_size)
+ goto bad;
+ frame_size = elfcpp::Swap<size, true>::readval(param_view + param_offset);
+
+ // Sanity check.
+ if (fsadd_type != SS_ADD_NONE && fsadd_frame_size != frame_size)
+ goto bad;
+
+ // Bump the frame size.
+ frame_size += parameters->options().split_stack_adjust_size();
+
+ // Store it to the param block.
+ elfcpp::Swap<size, true>::writeval(param_view + param_offset, frame_size);
+
+ if (!conditional)
+ {
+ // If the call was already unconditional, we're done.
+ }
+ else if (frame_size <= 0xffffffff && fsadd_type == SS_ADD_ALFI)
+ {
+ // Using alfi to add the frame size, and it still fits. Adjust it.
+ elfcpp::Swap_unaligned<32, true>::writeval(view + fsadd_offset,
+ frame_size);
+ }
+ else
+ {
+ // We were either relying on the backoff area, or used ahi to load
+ // frame size. This won't fly, as our new frame size is too large.
+ // Convert the sequence to unconditional by nopping out the comparison,
+ // and rewiring the jump.
+ this->set_view_to_nop(view, view_size, ssoffset, cmpend - ssoffset);
+
+ // The jump is jgl, we'll mutate it to jg.
+ view[jump_offset+1] = 0xf4;
+ }
+
+ return;
+
+bad:
+ if (!object->has_no_split_stack())
+ object->error(_("failed to match split-stack sequence at "
+ "section %u offset %0zx"),
+ shndx, static_cast<size_t>(fnoffset));
+}
+
// Relocate section data.
template<int size>
diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index ca24205..7240f98 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -3397,6 +3397,180 @@ MOSTLYCLEANFILES += arm_farcall_thumb_arm arm_farcall_thumb_arm_5t
endif DEFAULT_TARGET_ARM
+if DEFAULT_TARGET_S390
+
+check_SCRIPTS += split_s390.sh
+check_DATA += split_s390_z1.stdout split_s390_z2.stdout split_s390_z3.stdout \
+ split_s390_z4.stdout split_s390_n1.stdout split_s390_n2.stdout \
+ split_s390_a1.stdout split_s390_a2.stdout split_s390_z1_ns.stdout \
+ split_s390_z2_ns.stdout split_s390_z3_ns.stdout split_s390_z4_ns.stdout \
+ split_s390_n1_ns.stdout split_s390_n2_ns.stdout split_s390_r.stdout \
+ split_s390x_z1.stdout split_s390x_z2.stdout split_s390x_z3.stdout \
+ split_s390x_z4.stdout split_s390x_n1.stdout split_s390x_n2.stdout \
+ split_s390x_a1.stdout split_s390x_a2.stdout split_s390x_z1_ns.stdout \
+ split_s390x_z2_ns.stdout split_s390x_z3_ns.stdout \
+ split_s390x_z4_ns.stdout split_s390x_n1_ns.stdout \
+ split_s390x_n2_ns.stdout split_s390x_r.stdout
+SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
+split_s390_1_z1.o: split_s390_1_z1.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_z2.o: split_s390_1_z2.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_z3.o: split_s390_1_z3.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_z4.o: split_s390_1_z4.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_n1.o: split_s390_1_n1.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_n2.o: split_s390_1_n2.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_a1.o: split_s390_1_a1.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_1_a2.o: split_s390_1_a2.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_2_s.o: split_s390_2_s.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_2_ns.o: split_s390_2_ns.s
+ $(TEST_AS) -m31 -o $@ $<
+split_s390_z1: split_s390_1_z1.o split_s390_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z1.o split_s390_2_s.o
+split_s390_z1.stdout: split_s390_z1
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_z2: split_s390_1_z2.o split_s390_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z2.o split_s390_2_s.o
+split_s390_z2.stdout: split_s390_z2
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_z3: split_s390_1_z3.o split_s390_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z3.o split_s390_2_s.o
+split_s390_z3.stdout: split_s390_z3
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_z4: split_s390_1_z4.o split_s390_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z4.o split_s390_2_s.o
+split_s390_z4.stdout: split_s390_z4
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_n1: split_s390_1_n1.o split_s390_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_n1.o split_s390_2_s.o
+split_s390_n1.stdout: split_s390_n1
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390_n2: split_s390_1_n2.o split_s390_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_n2.o split_s390_2_s.o
+split_s390_n2.stdout: split_s390_n2
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390_z1_ns: split_s390_1_z1.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z1.o split_s390_2_ns.o
+split_s390_z1_ns.stdout: split_s390_z1_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_z2_ns: split_s390_1_z2.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z2.o split_s390_2_ns.o
+split_s390_z2_ns.stdout: split_s390_z2_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_z3_ns: split_s390_1_z3.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z3.o split_s390_2_ns.o
+split_s390_z3_ns.stdout: split_s390_z3_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_z4_ns: split_s390_1_z4.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z4.o split_s390_2_ns.o
+split_s390_z4_ns.stdout: split_s390_z4_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390_n1_ns: split_s390_1_n1.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_n1.o split_s390_2_ns.o
+split_s390_n1_ns.stdout: split_s390_n1_ns
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390_n2_ns.stdout: split_s390_1_n2.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o split_s390_n2 split_s390_1_n2.o split_s390_2_ns.o > $@ 2>&1 || exit 0
+split_s390_a1.stdout: split_s390_1_a1.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o split_s390_a1 split_s390_1_a1.o split_s390_2_ns.o > $@ 2>&1 || exit 0
+split_s390_a2: split_s390_1_a2.o split_s390_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_a2.o split_s390_2_ns.o
+split_s390_a2.stdout: split_s390_a2
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390_r.stdout: split_s390_1_z1.o split_s390_2_ns.o ../ld-new
+ ../ld-new -r split_s390_1_z1.o split_s390_2_ns.o -o split_s390_r > $@ 2>&1 || exit 0
+split_s390x_1_z1.o: split_s390x_1_z1.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_z2.o: split_s390x_1_z2.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_z3.o: split_s390x_1_z3.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_z4.o: split_s390x_1_z4.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_n1.o: split_s390x_1_n1.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_n2.o: split_s390x_1_n2.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_a1.o: split_s390x_1_a1.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_1_a2.o: split_s390x_1_a2.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_2_s.o: split_s390x_2_s.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_2_ns.o: split_s390x_2_ns.s
+ $(TEST_AS) -m64 -o $@ $<
+split_s390x_z1: split_s390x_1_z1.o split_s390x_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z1.o split_s390x_2_s.o
+split_s390x_z1.stdout: split_s390x_z1
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_z2: split_s390x_1_z2.o split_s390x_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z2.o split_s390x_2_s.o
+split_s390x_z2.stdout: split_s390x_z2
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_z3: split_s390x_1_z3.o split_s390x_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z3.o split_s390x_2_s.o
+split_s390x_z3.stdout: split_s390x_z3
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_z4: split_s390x_1_z4.o split_s390x_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z4.o split_s390x_2_s.o
+split_s390x_z4.stdout: split_s390x_z4
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_n1: split_s390x_1_n1.o split_s390x_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_n1.o split_s390x_2_s.o
+split_s390x_n1.stdout: split_s390x_n1
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390x_n2: split_s390x_1_n2.o split_s390x_2_s.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_n2.o split_s390x_2_s.o
+split_s390x_n2.stdout: split_s390x_n2
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390x_z1_ns: split_s390x_1_z1.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z1.o split_s390x_2_ns.o
+split_s390x_z1_ns.stdout: split_s390x_z1_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_z2_ns: split_s390x_1_z2.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z2.o split_s390x_2_ns.o
+split_s390x_z2_ns.stdout: split_s390x_z2_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_z3_ns: split_s390x_1_z3.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z3.o split_s390x_2_ns.o
+split_s390x_z3_ns.stdout: split_s390x_z3_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_z4_ns: split_s390x_1_z4.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z4.o split_s390x_2_ns.o
+split_s390x_z4_ns.stdout: split_s390x_z4_ns
+ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+split_s390x_n1_ns: split_s390x_1_n1.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_n1.o split_s390x_2_ns.o
+split_s390x_n1_ns.stdout: split_s390x_n1_ns
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390x_n2_ns.stdout: split_s390x_1_n2.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o split_s390x_n2 split_s390x_1_n2.o split_s390x_2_ns.o > $@ 2>&1 || exit 0
+split_s390x_a1.stdout: split_s390x_1_a1.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o split_s390x_a1 split_s390x_1_a1.o split_s390x_2_ns.o > $@ 2>&1 || exit 0
+split_s390x_a2: split_s390x_1_a2.o split_s390x_2_ns.o ../ld-new
+ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_a2.o split_s390x_2_ns.o
+split_s390x_a2.stdout: split_s390x_a2
+ $(TEST_OBJDUMP) -d $< > $@
+split_s390x_r.stdout: split_s390x_1_z1.o split_s390x_2_ns.o ../ld-new
+ ../ld-new -r split_s390x_1_z1.o split_s390x_2_ns.o -o split_s390x_r > $@ 2>&1 || exit 0
+MOSTLYCLEANFILES += split_s390_z1 split_s390_z2 split_s390_z3 \
+ split_s390_z4 split_s390_n1 split_s390_n2 split_s390_a1 \
+ split_s390_a2 split_s390_z1_ns split_s390_z2_ns split_s390_z3_ns \
+ split_s390_z4_ns split_s390_n1_ns split_s390_n2_ns split_s390_r \
+ split_s390x_z1 split_s390x_z2 split_s390x_z3 split_s390x_z4 \
+ split_s390x_n1 split_s390x_n2 split_s390x_a1 split_s390x_a2 \
+ split_s390x_z1_ns split_s390x_z2_ns split_s390x_z3_ns \
+ split_s390x_z4_ns split_s390x_n1_ns split_s390x_n2_ns split_s390x_r
+
+endif DEFAULT_TARGET_S390
+
endif NATIVE_OR_CROSS_LINKER
# Tests for the dwp tool.
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 253493f..3cdf1a4 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -837,10 +837,32 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_6m \
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm \
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm_5t
-@DEFAULT_TARGET_X86_64_TRUE@am__append_88 = *.dwo *.dwp
-@DEFAULT_TARGET_X86_64_TRUE@am__append_89 = dwp_test_1.sh \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_88 = split_s390.sh
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_89 = split_s390_z1.stdout split_s390_z2.stdout split_s390_z3.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z4.stdout split_s390_n1.stdout split_s390_n2.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_a1.stdout split_s390_a2.stdout split_s390_z1_ns.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z2_ns.stdout split_s390_z3_ns.stdout split_s390_z4_ns.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_n1_ns.stdout split_s390_n2_ns.stdout split_s390_r.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z1.stdout split_s390x_z2.stdout split_s390x_z3.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z4.stdout split_s390x_n1.stdout split_s390x_n2.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_a1.stdout split_s390x_a2.stdout split_s390x_z1_ns.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z2_ns.stdout split_s390x_z3_ns.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z4_ns.stdout split_s390x_n1_ns.stdout \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_n2_ns.stdout split_s390x_r.stdout
+
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_90 = split_s390_z1 split_s390_z2 split_s390_z3 \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z4 split_s390_n1 split_s390_n2 split_s390_a1 \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_a2 split_s390_z1_ns split_s390_z2_ns split_s390_z3_ns \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z4_ns split_s390_n1_ns split_s390_n2_ns split_s390_r \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z1 split_s390x_z2 split_s390x_z3 split_s390x_z4 \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_n1 split_s390x_n2 split_s390x_a1 split_s390x_a2 \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z1_ns split_s390x_z2_ns split_s390x_z3_ns \
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z4_ns split_s390x_n1_ns split_s390x_n2_ns split_s390x_r
+
+@DEFAULT_TARGET_X86_64_TRUE@am__append_91 = *.dwo *.dwp
+@DEFAULT_TARGET_X86_64_TRUE@am__append_92 = dwp_test_1.sh \
@DEFAULT_TARGET_X86_64_TRUE@ dwp_test_2.sh
-@DEFAULT_TARGET_X86_64_TRUE@am__append_90 = dwp_test_1.stdout \
+@DEFAULT_TARGET_X86_64_TRUE@am__append_93 = dwp_test_1.stdout \
@DEFAULT_TARGET_X86_64_TRUE@ dwp_test_2.stdout
subdir = testsuite
DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am
@@ -2492,7 +2514,7 @@ MOSTLYCLEANFILES = *.so *.syms *.stdout $(am__append_4) \
$(am__append_45) $(am__append_51) $(am__append_67) \
$(am__append_70) $(am__append_72) $(am__append_75) \
$(am__append_78) $(am__append_81) $(am__append_84) \
- $(am__append_87) $(am__append_88)
+ $(am__append_87) $(am__append_90) $(am__append_91)
# We will add to these later, for each individual test. Note
# that we add each test under check_SCRIPTS or check_PROGRAMS;
@@ -2502,13 +2524,13 @@ check_SCRIPTS = $(am__append_2) $(am__append_20) $(am__append_26) \
$(am__append_42) $(am__append_46) $(am__append_49) \
$(am__append_65) $(am__append_68) $(am__append_73) \
$(am__append_76) $(am__append_79) $(am__append_82) \
- $(am__append_85) $(am__append_89)
+ $(am__append_85) $(am__append_88) $(am__append_92)
check_DATA = $(am__append_3) $(am__append_21) $(am__append_27) \
$(am__append_30) $(am__append_36) $(am__append_39) \
$(am__append_43) $(am__append_47) $(am__append_50) \
$(am__append_66) $(am__append_69) $(am__append_74) \
$(am__append_77) $(am__append_80) $(am__append_83) \
- $(am__append_86) $(am__append_90)
+ $(am__append_86) $(am__append_89) $(am__append_93)
BUILT_SOURCES = $(am__append_33)
TESTS = $(check_SCRIPTS) $(check_PROGRAMS)
@@ -3011,6 +3033,7 @@ LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_x86_64_bnd_test_LDFLAGS = $(exception_test_LDFLAGS)
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_x86_64_bnd_test_LDADD = exception_x86_64_bnd_1.o exception_x86_64_bnd_2.o
@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
all: $(BUILT_SOURCES)
@@ -4580,6 +4603,8 @@ arm_farcall_thumb_thumb.sh.log: arm_farcall_thumb_thumb.sh
@p='arm_farcall_thumb_thumb.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
arm_farcall_thumb_arm.sh.log: arm_farcall_thumb_arm.sh
@p='arm_farcall_thumb_arm.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+split_s390.sh.log: split_s390.sh
+ @p='split_s390.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
dwp_test_1.sh.log: dwp_test_1.sh
@p='dwp_test_1.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
dwp_test_2.sh.log: dwp_test_2.sh
@@ -6896,6 +6921,154 @@ uninstall-am:
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm_5t.o: arm_farcall_thumb_arm.s
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv5t -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_z1.o: split_s390_1_z1.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_z2.o: split_s390_1_z2.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_z3.o: split_s390_1_z3.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_z4.o: split_s390_1_z4.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_n1.o: split_s390_1_n1.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_n2.o: split_s390_1_n2.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_a1.o: split_s390_1_a1.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_1_a2.o: split_s390_1_a2.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_2_s.o: split_s390_2_s.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_2_ns.o: split_s390_2_ns.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m31 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z1: split_s390_1_z1.o split_s390_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z1.o split_s390_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z1.stdout: split_s390_z1
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z2: split_s390_1_z2.o split_s390_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z2.o split_s390_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z2.stdout: split_s390_z2
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z3: split_s390_1_z3.o split_s390_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z3.o split_s390_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z3.stdout: split_s390_z3
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z4: split_s390_1_z4.o split_s390_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z4.o split_s390_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z4.stdout: split_s390_z4
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n1: split_s390_1_n1.o split_s390_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_n1.o split_s390_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n1.stdout: split_s390_n1
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n2: split_s390_1_n2.o split_s390_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_n2.o split_s390_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n2.stdout: split_s390_n2
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z1_ns: split_s390_1_z1.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z1.o split_s390_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z1_ns.stdout: split_s390_z1_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z2_ns: split_s390_1_z2.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z2.o split_s390_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z2_ns.stdout: split_s390_z2_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z3_ns: split_s390_1_z3.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z3.o split_s390_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z3_ns.stdout: split_s390_z3_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z4_ns: split_s390_1_z4.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_z4.o split_s390_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_z4_ns.stdout: split_s390_z4_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n1_ns: split_s390_1_n1.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_n1.o split_s390_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n1_ns.stdout: split_s390_n1_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_n2_ns.stdout: split_s390_1_n2.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o split_s390_n2 split_s390_1_n2.o split_s390_2_ns.o > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_a1.stdout: split_s390_1_a1.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o split_s390_a1 split_s390_1_a1.o split_s390_2_ns.o > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_a2: split_s390_1_a2.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390_1_a2.o split_s390_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_a2.stdout: split_s390_a2
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390_r.stdout: split_s390_1_z1.o split_s390_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new -r split_s390_1_z1.o split_s390_2_ns.o -o split_s390_r > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_z1.o: split_s390x_1_z1.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_z2.o: split_s390x_1_z2.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_z3.o: split_s390x_1_z3.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_z4.o: split_s390x_1_z4.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_n1.o: split_s390x_1_n1.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_n2.o: split_s390x_1_n2.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_a1.o: split_s390x_1_a1.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_1_a2.o: split_s390x_1_a2.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_2_s.o: split_s390x_2_s.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_2_ns.o: split_s390x_2_ns.s
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -m64 -o $@ $<
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z1: split_s390x_1_z1.o split_s390x_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z1.o split_s390x_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z1.stdout: split_s390x_z1
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z2: split_s390x_1_z2.o split_s390x_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z2.o split_s390x_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z2.stdout: split_s390x_z2
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z3: split_s390x_1_z3.o split_s390x_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z3.o split_s390x_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z3.stdout: split_s390x_z3
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z4: split_s390x_1_z4.o split_s390x_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z4.o split_s390x_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z4.stdout: split_s390x_z4
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n1: split_s390x_1_n1.o split_s390x_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_n1.o split_s390x_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n1.stdout: split_s390x_n1
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n2: split_s390x_1_n2.o split_s390x_2_s.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_n2.o split_s390x_2_s.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n2.stdout: split_s390x_n2
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z1_ns: split_s390x_1_z1.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z1.o split_s390x_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z1_ns.stdout: split_s390x_z1_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z2_ns: split_s390x_1_z2.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z2.o split_s390x_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z2_ns.stdout: split_s390x_z2_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z3_ns: split_s390x_1_z3.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z3.o split_s390x_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z3_ns.stdout: split_s390x_z3_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z4_ns: split_s390x_1_z4.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_z4.o split_s390x_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_z4_ns.stdout: split_s390x_z4_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -j .rodata -j .text -D $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n1_ns: split_s390x_1_n1.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_n1.o split_s390x_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n1_ns.stdout: split_s390x_n1_ns
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_n2_ns.stdout: split_s390x_1_n2.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o split_s390x_n2 split_s390x_1_n2.o split_s390x_2_ns.o > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_a1.stdout: split_s390x_1_a1.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o split_s390x_a1 split_s390x_1_a1.o split_s390x_2_ns.o > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_a2: split_s390x_1_a2.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_s390x_1_a2.o split_s390x_2_ns.o
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_a2.stdout: split_s390x_a2
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_s390x_r.stdout: split_s390x_1_z1.o split_s390x_2_ns.o ../ld-new
+@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new -r split_s390x_1_z1.o split_s390x_2_ns.o -o split_s390x_r > $@ 2>&1 || exit 0
# Tests for the dwp tool.
# We don't want to rely yet on GCC support for -gsplit-dwarf,
diff --git a/gold/testsuite/split_s390.sh b/gold/testsuite/split_s390.sh
new file mode 100755
index 0000000..a4234e1
--- /dev/null
+++ b/gold/testsuite/split_s390.sh
@@ -0,0 +1,117 @@
+#!/bin/sh
+
+# split_s390.sh -- test -fstack-split for s390
+
+# Copyright (C) 2009-2015 Free Software Foundation, Inc.
+# Written by Marcin Kościelnicki <koriakin@0x04.net>.
+
+# This file is part of gold.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+match()
+{
+ if ! egrep "$1" "$2" >/dev/null 2>&1; then
+ echo 1>&2 "could not find '$1' in $2"
+ exit 1
+ fi
+}
+
+nomatch()
+{
+ if egrep "$1" "$2" >/dev/null 2>&1; then
+ echo 1>&2 "found unexpected '$1' in $2"
+ exit 1
+ fi
+}
+
+match 'jg.*__morestack>?$' split_s390_z1.stdout
+match 'long.*0x00100000$' split_s390_z1.stdout
+match 'jg.*__morestack>?$' split_s390_z1_ns.stdout
+match 'long.*0x00104000$' split_s390_z1_ns.stdout
+
+match 'ear.*$' split_s390_z2.stdout
+match 'jgl.*__morestack>?$' split_s390_z2.stdout
+nomatch 'jg .*__morestack>?$' split_s390_z2.stdout
+match 'long.*0x00000100$' split_s390_z2.stdout
+nomatch 'ear.*$' split_s390_z2_ns.stdout
+nomatch 'jgl.*__morestack>?$' split_s390_z2_ns.stdout
+match 'jg .*__morestack>?$' split_s390_z2_ns.stdout
+match 'long.*0x00004100$' split_s390_z2_ns.stdout
+
+match 'ear.*$' split_s390_z3.stdout
+match 'jgl.*__morestack>?$' split_s390_z3.stdout
+nomatch 'jg .*__morestack>?$' split_s390_z3.stdout
+match 'long.*0x00001000$' split_s390_z3.stdout
+nomatch 'ear.*$' split_s390_z3_ns.stdout
+nomatch 'jgl.*__morestack>?$' split_s390_z3_ns.stdout
+match 'jg .*__morestack>?$' split_s390_z3_ns.stdout
+match 'long.*0x00005000$' split_s390_z3_ns.stdout
+
+match 'alfi.*%r1,1048576$' split_s390_z4.stdout
+match 'jgl.*__morestack>?$' split_s390_z4.stdout
+match 'long.*0x00100000$' split_s390_z4.stdout
+match 'alfi.*%r1,1064960$' split_s390_z4_ns.stdout
+match 'jgl.*__morestack>?$' split_s390_z4_ns.stdout
+match 'long.*0x00104000$' split_s390_z4_ns.stdout
+
+match 'jg.*__morestack>?$' split_s390x_z1.stdout
+match 'long.*0x00100000$' split_s390x_z1.stdout
+match 'jg.*__morestack>?$' split_s390x_z1_ns.stdout
+match 'long.*0x00104000$' split_s390x_z1_ns.stdout
+
+match 'ear.*$' split_s390x_z2.stdout
+match 'jgl.*__morestack>?$' split_s390x_z2.stdout
+nomatch 'jg .*__morestack>?$' split_s390x_z2.stdout
+match 'long.*0x00000100$' split_s390x_z2.stdout
+nomatch 'ear.*$' split_s390x_z2_ns.stdout
+nomatch 'jgl.*__morestack>?$' split_s390x_z2_ns.stdout
+match 'jg .*__morestack>?$' split_s390x_z2_ns.stdout
+match 'long.*0x00004100$' split_s390x_z2_ns.stdout
+
+match 'ear.*$' split_s390x_z3.stdout
+match 'jgl.*__morestack>?$' split_s390x_z3.stdout
+nomatch 'jg .*__morestack>?$' split_s390x_z3.stdout
+match 'long.*0x00001000$' split_s390x_z3.stdout
+nomatch 'ear.*$' split_s390x_z3_ns.stdout
+nomatch 'jgl.*__morestack>?$' split_s390x_z3_ns.stdout
+match 'jg .*__morestack>?$' split_s390x_z3_ns.stdout
+match 'long.*0x00005000$' split_s390x_z3_ns.stdout
+
+match 'algfi.*%r1,1048576$' split_s390x_z4.stdout
+match 'jgl.*__morestack>?$' split_s390x_z4.stdout
+match 'long.*0x00100000$' split_s390x_z4.stdout
+match 'algfi.*%r1,1064960$' split_s390x_z4_ns.stdout
+match 'jgl.*__morestack>?$' split_s390x_z4_ns.stdout
+match 'long.*0x00104000$' split_s390x_z4_ns.stdout
+
+match 'larl' split_s390_n1.stdout
+match 'larl' split_s390_n1_ns.stdout
+match 'larl' split_s390x_n1.stdout
+match 'larl' split_s390x_n1_ns.stdout
+match 'j.*fn2' split_s390_n2.stdout
+match 'j.*fn2' split_s390x_n2.stdout
+match 'failed to match' split_s390_n2_ns.stdout
+match 'failed to match' split_s390x_n2_ns.stdout
+
+match 'failed to match' split_s390_a1.stdout
+match 'failed to match' split_s390x_a1.stdout
+
+match 'brasl.*__morestack>?$' split_s390_a2.stdout
+match 'brasl.*__morestack>?$' split_s390x_a2.stdout
+
+match 'cannot mix' split_s390_r.stdout
+match 'cannot mix' split_s390x_r.stdout
diff --git a/gold/testsuite/split_s390_1_a1.s b/gold/testsuite/split_s390_1_a1.s
new file mode 100644
index 0000000..f1537af
--- /dev/null
+++ b/gold/testsuite/split_s390_1_a1.s
@@ -0,0 +1,27 @@
+# split_s390_1_a1.s: s390 specific, adjustment failure
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ stm %r13, %r15, 0x34(%r15)
+ .cfi_offset %r13, -0x2c
+ .cfi_offset %r14, -0x28
+ .cfi_offset %r15, -0x24
+ ahi %r15, -0x60
+ .cfi_adjust_cfa_offset 0x60
+ brasl %r14, __morestack
+ brasl %r14, fn2
+ lm %r13, %r15, 0x94(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0x60
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_a2.s b/gold/testsuite/split_s390_1_a2.s
new file mode 100644
index 0000000..b5633ff
--- /dev/null
+++ b/gold/testsuite/split_s390_1_a2.s
@@ -0,0 +1,28 @@
+# split_s390_1_a2.s: s390 specific, permitted adjustment failure
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ stm %r13, %r15, 0x34(%r15)
+ .cfi_offset %r13, -0x2c
+ .cfi_offset %r14, -0x28
+ .cfi_offset %r15, -0x24
+ ahi %r15, -0x60
+ .cfi_adjust_cfa_offset 0x60
+ brasl %r14, __morestack
+ brasl %r14, fn2
+ lm %r13, %r15, 0x94(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0x60
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
+ .section .note.GNU-no-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_n1.s b/gold/testsuite/split_s390_1_n1.s
new file mode 100644
index 0000000..a0db5b0
--- /dev/null
+++ b/gold/testsuite/split_s390_1_n1.s
@@ -0,0 +1,16 @@
+# split_s390_1_n1.s: s390 specific test case for -fsplit-stack -
+# no stack frame, load function address.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ larl %r2, fn2
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_n2.s b/gold/testsuite/split_s390_1_n2.s
new file mode 100644
index 0000000..3d684ee
--- /dev/null
+++ b/gold/testsuite/split_s390_1_n2.s
@@ -0,0 +1,15 @@
+# split_s390_1_n2.s: s390 specific test case for -fsplit-stack -
+# no stack frame, short sibcall (will fail)
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ j fn2
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_z1.s b/gold/testsuite/split_s390_1_z1.s
new file mode 100644
index 0000000..42adf55
--- /dev/null
+++ b/gold/testsuite/split_s390_1_z1.s
@@ -0,0 +1,37 @@
+# split_s390_z3.s: s390 specific test case for -fsplit-stack -
+# zarch mode, unconditional call
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ larl %r1, .L1
+ jg __morestack
+ .section .rodata
+ .align 4
+.L1:
+ .long 0x100000
+ .long 0
+ .long .L2-.L1
+ .previous
+.L2:
+ stm %r13, %r15, 0x34(%r15)
+ .cfi_offset %r13, -0x2c
+ .cfi_offset %r14, -0x28
+ .cfi_offset %r15, -0x24
+ ahi %r15, -0x60
+ .cfi_adjust_cfa_offset 0x60
+ brasl %r14, fn2
+ lm %r13, %r15, 0x94(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0x60
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_z2.s b/gold/testsuite/split_s390_1_z2.s
new file mode 100644
index 0000000..4a9cff3
--- /dev/null
+++ b/gold/testsuite/split_s390_1_z2.s
@@ -0,0 +1,39 @@
+# split_s390_z2.s: s390 specific test case for -fsplit-stack -
+# zarch mode, conditional call, no add
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ ear %r1, %a0
+ c %r15, 0x20(%r1)
+ larl %r1, .L1
+ jgl __morestack
+ .section .rodata
+ .align 4
+.L1:
+ .long 0x100
+ .long 0
+ .long .L2-.L1
+ .previous
+.L2:
+ stm %r13, %r15, 0x34(%r15)
+ .cfi_offset %r13, -0x2c
+ .cfi_offset %r14, -0x28
+ .cfi_offset %r15, -0x24
+ ahi %r15, -0x60
+ .cfi_adjust_cfa_offset 0x60
+ brasl %r14, fn2
+ lm %r13, %r15, 0x94(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0x60
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_z3.s b/gold/testsuite/split_s390_1_z3.s
new file mode 100644
index 0000000..8f0cb54
--- /dev/null
+++ b/gold/testsuite/split_s390_1_z3.s
@@ -0,0 +1,41 @@
+# split_s390_z3.s: s390 specific test case for -fsplit-stack -
+# zarch mode, conditional call, ahi.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ ear %r1, %a0
+ l %r1, 0x20(%r1)
+ ahi %r1, 0x1000
+ cr %r15, %r1
+ larl %r1, .L1
+ jgl __morestack
+ .section .rodata
+ .align 4
+.L1:
+ .long 0x1000
+ .long 0
+ .long .L2-.L1
+ .previous
+.L2:
+ stm %r13, %r15, 0x34(%r15)
+ .cfi_offset %r13, -0x2c
+ .cfi_offset %r14, -0x28
+ .cfi_offset %r15, -0x24
+ ahi %r15, -0x60
+ .cfi_adjust_cfa_offset 0x60
+ brasl %r14, fn2
+ lm %r13, %r15, 0x94(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0x60
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_1_z4.s b/gold/testsuite/split_s390_1_z4.s
new file mode 100644
index 0000000..b80bf40
--- /dev/null
+++ b/gold/testsuite/split_s390_1_z4.s
@@ -0,0 +1,41 @@
+# split_s390_z4.s: s390 specific test case for -fsplit-stack -
+# zarch mode, conditional call, alfi.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ ear %r1, %a0
+ l %r1, 0x20(%r1)
+ alfi %r1, 0x100000
+ cr %r15, %r1
+ larl %r1, .L1
+ jgl __morestack
+ .section .rodata
+ .align 4
+.L1:
+ .long 0x100000
+ .long 0
+ .long .L2-.L1
+ .previous
+.L2:
+ stm %r13, %r15, 0x34(%r15)
+ .cfi_offset %r13, -0x2c
+ .cfi_offset %r14, -0x28
+ .cfi_offset %r15, -0x24
+ ahi %r15, -0x60
+ .cfi_adjust_cfa_offset 0x60
+ brasl %r14, fn2
+ lm %r13, %r15, 0x94(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0x60
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_2_ns.s b/gold/testsuite/split_s390_2_ns.s
new file mode 100644
index 0000000..fb5a993
--- /dev/null
+++ b/gold/testsuite/split_s390_2_ns.s
@@ -0,0 +1,12 @@
+# split_s390_2_ns.s: s390 specific, -fsplit-stack calling non-split
+
+ .text
+
+ .global fn2
+ .type fn2,@function
+fn2:
+ br %r14
+
+ .size fn2,. - fn2
+
+ .section .note.GNU-stack,"",@progbits
diff --git a/gold/testsuite/split_s390_2_s.s b/gold/testsuite/split_s390_2_s.s
new file mode 100644
index 0000000..3df8009
--- /dev/null
+++ b/gold/testsuite/split_s390_2_s.s
@@ -0,0 +1,13 @@
+# split_s390_2_s.s: s390 specific, -fsplit-stack calling -fsplit-stack
+
+ .text
+
+ .global fn2
+ .type fn2,@function
+fn2:
+ br %r14
+
+ .size fn2,. - fn2
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_a1.s b/gold/testsuite/split_s390x_1_a1.s
new file mode 100644
index 0000000..ccc62cb
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_a1.s
@@ -0,0 +1,27 @@
+# split_s390x_1_a1.s: s390x specific, adjustment failure
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ stmg %r13, %r15, 0x68(%r15)
+ .cfi_offset %r13, -0x38
+ .cfi_offset %r14, -0x30
+ .cfi_offset %r15, -0x28
+ aghi %r15, -0xa0
+ .cfi_adjust_cfa_offset 0xa0
+ brasl %r14, __morestack
+ brasl %r14, fn2
+ lmg %r13, %r15, 0x108(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0xa0
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_a2.s b/gold/testsuite/split_s390x_1_a2.s
new file mode 100644
index 0000000..a5c067b
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_a2.s
@@ -0,0 +1,28 @@
+# split_s390x_1_a2.s: s390x specific, permitted adjustment failure
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ stmg %r13, %r15, 0x68(%r15)
+ .cfi_offset %r13, -0x38
+ .cfi_offset %r14, -0x30
+ .cfi_offset %r15, -0x28
+ aghi %r15, -0xa0
+ .cfi_adjust_cfa_offset 0xa0
+ brasl %r14, __morestack
+ brasl %r14, fn2
+ lmg %r13, %r15, 0x108(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0xa0
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
+ .section .note.GNU-no-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_n1.s b/gold/testsuite/split_s390x_1_n1.s
new file mode 100644
index 0000000..3b69f25
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_n1.s
@@ -0,0 +1,16 @@
+# split_s390x_1_n1.s: s390x specific test case for -fsplit-stack -
+# no stack frame, load function address.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ larl %r2, fn2
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_n2.s b/gold/testsuite/split_s390x_1_n2.s
new file mode 100644
index 0000000..762cd19
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_n2.s
@@ -0,0 +1,15 @@
+# split_s390x_1_n2.s: s390x specific test case for -fsplit-stack -
+# no stack frame, short sibcall (will fail)
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ j fn2
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_z1.s b/gold/testsuite/split_s390x_1_z1.s
new file mode 100644
index 0000000..4af34cd
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_z1.s
@@ -0,0 +1,37 @@
+# split_s390x_1_z1.s: s390x specific test case for -fsplit-stack -
+# unconditional call.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ larl %r1, .L1
+ jg __morestack
+ .section .rodata
+ .align 8
+.L1:
+ .quad 0x100000
+ .quad 0
+ .quad .L2-.L1
+ .previous
+.L2:
+ stmg %r13, %r15, 0x68(%r15)
+ .cfi_offset %r13, -0x38
+ .cfi_offset %r14, -0x30
+ .cfi_offset %r15, -0x28
+ aghi %r15, -0xa0
+ .cfi_adjust_cfa_offset 0xa0
+ brasl %r14, fn2
+ lmg %r13, %r15, 0x108(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0xa0
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_z2.s b/gold/testsuite/split_s390x_1_z2.s
new file mode 100644
index 0000000..a184f77
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_z2.s
@@ -0,0 +1,41 @@
+# split_s390x_1_z2.s: s390x specific test case for -fsplit-stack -
+# conditional call, no add.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ ear %r1, %a0
+ sllg %r1, %r1, 32
+ ear %r1, %a1
+ cg %r15, 0x38(%r1)
+ larl %r1, .L1
+ jgl __morestack
+ .section .rodata
+ .align 8
+.L1:
+ .quad 0x100
+ .quad 0
+ .quad .L2-.L1
+ .previous
+.L2:
+ stmg %r13, %r15, 0x68(%r15)
+ .cfi_offset %r13, -0x38
+ .cfi_offset %r14, -0x30
+ .cfi_offset %r15, -0x28
+ aghi %r15, -0xa0
+ .cfi_adjust_cfa_offset 0xa0
+ brasl %r14, fn2
+ lmg %r13, %r15, 0x108(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0xa0
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_z3.s b/gold/testsuite/split_s390x_1_z3.s
new file mode 100644
index 0000000..b0a4b0b
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_z3.s
@@ -0,0 +1,43 @@
+# split_s390x_1_z3.s: s390x specific test case for -fsplit-stack -
+# conditional call, ahi.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ ear %r1, %a0
+ sllg %r1, %r1, 32
+ ear %r1, %a1
+ lg %r1, 0x38(%r1)
+ aghi %r1, 0x1000
+ cgr %r15, %r1
+ larl %r1, .L1
+ jgl __morestack
+ .section .rodata
+ .align 8
+.L1:
+ .quad 0x1000
+ .quad 0
+ .quad .L2-.L1
+ .previous
+.L2:
+ stmg %r13, %r15, 0x68(%r15)
+ .cfi_offset %r13, -0x38
+ .cfi_offset %r14, -0x30
+ .cfi_offset %r15, -0x28
+ aghi %r15, -0xa0
+ .cfi_adjust_cfa_offset 0xa0
+ brasl %r14, fn2
+ lmg %r13, %r15, 0x108(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0xa0
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_1_z4.s b/gold/testsuite/split_s390x_1_z4.s
new file mode 100644
index 0000000..a3b942e
--- /dev/null
+++ b/gold/testsuite/split_s390x_1_z4.s
@@ -0,0 +1,43 @@
+# split_s390x_1_z4.s: s390x specific test case for -fsplit-stack -
+# conditional call, alfi.
+
+ .text
+
+ .global fn1
+ .type fn1,@function
+fn1:
+ .cfi_startproc
+ ear %r1, %a0
+ sllg %r1, %r1, 32
+ ear %r1, %a1
+ lg %r1, 0x38(%r1)
+ algfi %r1, 0x100000
+ cgr %r15, %r1
+ larl %r1, .L1
+ jgl __morestack
+ .section .rodata
+ .align 8
+.L1:
+ .quad 0x100000
+ .quad 0
+ .quad .L2-.L1
+ .previous
+.L2:
+ stmg %r13, %r15, 0x68(%r15)
+ .cfi_offset %r13, -0x38
+ .cfi_offset %r14, -0x30
+ .cfi_offset %r15, -0x28
+ aghi %r15, -0xa0
+ .cfi_adjust_cfa_offset 0xa0
+ brasl %r14, fn2
+ lmg %r13, %r15, 0x108(%r15)
+ .cfi_restore %r13
+ .cfi_restore %r14
+ .cfi_restore %r15
+ .cfi_adjust_cfa_offset -0xa0
+ br %r14
+ .cfi_endproc
+ .size fn1,. - fn1
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_2_ns.s b/gold/testsuite/split_s390x_2_ns.s
new file mode 100644
index 0000000..f073eee
--- /dev/null
+++ b/gold/testsuite/split_s390x_2_ns.s
@@ -0,0 +1,12 @@
+# split_s390x_2_ns.s: s390x specific, -fsplit-stack calling non-split
+
+ .text
+
+ .global fn2
+ .type fn2,@function
+fn2:
+ br %r14
+
+ .size fn2,. - fn2
+
+ .section .note.GNU-stack,"",@progbits
diff --git a/gold/testsuite/split_s390x_2_s.s b/gold/testsuite/split_s390x_2_s.s
new file mode 100644
index 0000000..787d2fe
--- /dev/null
+++ b/gold/testsuite/split_s390x_2_s.s
@@ -0,0 +1,13 @@
+# split_s390x_2_s.s: s390x specific, -fsplit-stack calling non-split
+
+ .text
+
+ .global fn2
+ .type fn2,@function
+fn2:
+ br %r14
+
+ .size fn2,. - fn2
+
+ .section .note.GNU-stack,"",@progbits
+ .section .note.GNU-split-stack,"",@progbits