Revert "gdbserver: pass osabi to GDB in target description"

This reverts commit 98bcde5e268ea7cd54186c5f2c27c65103218fc3.  This
commit was causing build problems on at least sparc, ppc, and s390,
though I suspect some other targets might be impacted too.

16 files changed, 18 insertions, 41 deletions

diff --git a/gdbserver/linux-aarch32-tdesc.cc b/gdbserver/linux-aarch32-tdesc.cc
index 441fe66..b898775 100644
--- a/gdbserver/linux-aarch32-tdesc.cc
+++ b/gdbserver/linux-aarch32-tdesc.cc
@@ -34,7 +34,7 @@ aarch32_linux_read_description ()
       tdesc_aarch32 = aarch32_create_target_description (false);
 
       static const char *expedite_regs[] = { "r11", "sp", "pc", 0 };
-      init_target_desc (tdesc_aarch32, expedite_regs, GDB_OSABI_LINUX);
+      init_target_desc (tdesc_aarch32, expedite_regs);
     }
   return tdesc_aarch32;
 }
diff --git a/gdbserver/linux-aarch64-tdesc.cc b/gdbserver/linux-aarch64-tdesc.cc
index 39d5bcc..31ec785 100644
--- a/gdbserver/linux-aarch64-tdesc.cc
+++ b/gdbserver/linux-aarch64-tdesc.cc
@@ -67,8 +67,7 @@ aarch64_linux_read_description (const aarch64_features &features)
 
       expedited_registers.push_back (nullptr);
 
-      init_target_desc (tdesc, (const char **) expedited_registers.data (),
-			GDB_OSABI_LINUX);
+      init_target_desc (tdesc, (const char **) expedited_registers.data ());
 
       tdesc_aarch64_map[features] = tdesc;
     }
diff --git a/gdbserver/linux-arc-low.cc b/gdbserver/linux-arc-low.cc
index 16d8d58..1bcaf6c 100644
--- a/gdbserver/linux-arc-low.cc
+++ b/gdbserver/linux-arc-low.cc
@@ -114,7 +114,7 @@ arc_linux_read_description (void)
   target_desc_up tdesc = arc_create_target_description (features);
 
   static const char *expedite_regs[] = { "sp", "status32", nullptr };
-  init_target_desc (tdesc.get (), expedite_regs, GDB_OSABI_LINUX);
+  init_target_desc (tdesc.get (), expedite_regs);
 
   return tdesc.release ();
 }
diff --git a/gdbserver/linux-arm-tdesc.cc b/gdbserver/linux-arm-tdesc.cc
index fff2e94..559f9b0 100644
--- a/gdbserver/linux-arm-tdesc.cc
+++ b/gdbserver/linux-arm-tdesc.cc
@@ -37,7 +37,7 @@ arm_linux_read_description (arm_fp_type fp_type)
       tdesc = arm_create_target_description (fp_type, false);
 
       static const char *expedite_regs[] = { "r11", "sp", "pc", 0 };
-      init_target_desc (tdesc, expedite_regs, GDB_OSABI_LINUX);
+      init_target_desc (tdesc, expedite_regs);
 
       tdesc_arm_list[fp_type] = tdesc;
     }
diff --git a/gdbserver/linux-csky-low.cc b/gdbserver/linux-csky-low.cc
index 18a0d15..2eb5a2d 100644
--- a/gdbserver/linux-csky-low.cc
+++ b/gdbserver/linux-csky-low.cc
@@ -133,7 +133,7 @@ csky_target::low_arch_setup ()
 
   if (tdesc->expedite_regs.empty ())
     {
-      init_target_desc (tdesc.get (), expedite_regs, GDB_OSABI_LINUX);
+      init_target_desc (tdesc.get (), expedite_regs);
       gdb_assert (!tdesc->expedite_regs.empty ());
     }
 
diff --git a/gdbserver/linux-loongarch-low.cc b/gdbserver/linux-loongarch-low.cc
index cf7d6c0..584ea64 100644
--- a/gdbserver/linux-loongarch-low.cc
+++ b/gdbserver/linux-loongarch-low.cc
@@ -85,7 +85,7 @@ loongarch_target::low_arch_setup ()
 
   if (tdesc->expedite_regs.empty ())
     {
-      init_target_desc (tdesc.get (), expedite_regs, GDB_OSABI_LINUX);
+      init_target_desc (tdesc.get (), expedite_regs);
       gdb_assert (!tdesc->expedite_regs.empty ());
     }
   current_process ()->tdesc = tdesc.release ();
diff --git a/gdbserver/linux-riscv-low.cc b/gdbserver/linux-riscv-low.cc
index 7170ad9..c4554c5 100644
--- a/gdbserver/linux-riscv-low.cc
+++ b/gdbserver/linux-riscv-low.cc
@@ -91,7 +91,7 @@ riscv_target::low_arch_setup ()
 
   if (tdesc->expedite_regs.empty ())
     {
-      init_target_desc (tdesc.get (), expedite_regs, GDB_OSABI_LINUX);
+      init_target_desc (tdesc.get (), expedite_regs);
       gdb_assert (!tdesc->expedite_regs.empty ());
     }
 
diff --git a/gdbserver/linux-tic6x-low.cc b/gdbserver/linux-tic6x-low.cc
index 754dd00..707be2e 100644
--- a/gdbserver/linux-tic6x-low.cc
+++ b/gdbserver/linux-tic6x-low.cc
@@ -228,7 +228,7 @@ tic6x_read_description (enum c6x_feature feature)
     {
       *tdesc = tic6x_create_target_description (feature);
       static const char *expedite_regs[] = { "A15", "PC", NULL };
-      init_target_desc (*tdesc, expedite_regs, GDB_OSABI_LINUX);
+      init_target_desc (*tdesc, expedite_regs);
     }
 
   return *tdesc;
diff --git a/gdbserver/linux-x86-tdesc.cc b/gdbserver/linux-x86-tdesc.cc
index 6aa5c4a..13c8076 100644
--- a/gdbserver/linux-x86-tdesc.cc
+++ b/gdbserver/linux-x86-tdesc.cc
@@ -26,21 +26,10 @@
 void
 x86_linux_post_init_tdesc (target_desc *tdesc, bool is_64bit)
 {
-  enum gdb_osabi osabi = GDB_OSABI_LINUX;
-
-#ifndef IN_PROCESS_AGENT
-  /* x86 target descriptions are created with the osabi already set.
-     However, init_target_desc requires us to override the already set
-     value.  That's fine, out new string should match the old one.  */
-  gdb_assert (tdesc_osabi_name (tdesc) != nullptr);
-  gdb_assert (strcmp (tdesc_osabi_name (tdesc),
-		      gdbarch_osabi_name (osabi)) == 0);
-#endif /* ! IN_PROCESS_AGENT */
-
 #ifdef __x86_64__
   if (is_64bit)
-    init_target_desc (tdesc, amd64_expedite_regs, osabi);
+    init_target_desc (tdesc, amd64_expedite_regs);
   else
 #endif
-    init_target_desc (tdesc, i386_expedite_regs, osabi);
+    init_target_desc (tdesc, i386_expedite_regs);
 }
diff --git a/gdbserver/netbsd-aarch64-low.cc b/gdbserver/netbsd-aarch64-low.cc
index 8834e0a..f20a1a7 100644
--- a/gdbserver/netbsd-aarch64-low.cc
+++ b/gdbserver/netbsd-aarch64-low.cc
@@ -98,7 +98,7 @@ netbsd_aarch64_target::low_arch_setup ()
     = aarch64_create_target_description ({});
 
   static const char *expedite_regs_aarch64[] = { "x29", "sp", "pc", NULL };
-  init_target_desc (tdesc, expedite_regs_aarch64, GDB_OSABI_NETBSD);
+  init_target_desc (tdesc, expedite_regs_aarch64);
 
   current_process ()->tdesc = tdesc;
 }
diff --git a/gdbserver/netbsd-amd64-low.cc b/gdbserver/netbsd-amd64-low.cc
index ad7cb43..b3f3aab 100644
--- a/gdbserver/netbsd-amd64-low.cc
+++ b/gdbserver/netbsd-amd64-low.cc
@@ -193,7 +193,7 @@ netbsd_amd64_target::low_arch_setup ()
   target_desc *tdesc
     = amd64_create_target_description (X86_XSTATE_SSE_MASK, false, false, false);
 
-  init_target_desc (tdesc, amd64_expedite_regs, GDB_OSABI_NETBSD);
+  init_target_desc (tdesc, amd64_expedite_regs);
 
   current_process ()->tdesc = tdesc;
 }
diff --git a/gdbserver/netbsd-i386-low.cc b/gdbserver/netbsd-i386-low.cc
index ea6fce4..247a397 100644
--- a/gdbserver/netbsd-i386-low.cc
+++ b/gdbserver/netbsd-i386-low.cc
@@ -142,7 +142,7 @@ netbsd_i386_target::low_arch_setup ()
   target_desc *tdesc
     = i386_create_target_description (X86_XSTATE_SSE_MASK, false, false);
 
-  init_target_desc (tdesc, i386_expedite_regs, GDB_OSABI_NETBSD);
+  init_target_desc (tdesc, i386_expedite_regs);
 
   current_process ()->tdesc = tdesc;
 }
diff --git a/gdbserver/tdesc.cc b/gdbserver/tdesc.cc
index da1287a..d052f43 100644
--- a/gdbserver/tdesc.cc
+++ b/gdbserver/tdesc.cc
@@ -53,8 +53,7 @@ void target_desc::accept (tdesc_element_visitor &v) const
 
 void
 init_target_desc (struct target_desc *tdesc,
-		  const char **expedite_regs,
-		  enum gdb_osabi osabi)
+		  const char **expedite_regs)
 {
   int offset = 0;
 
@@ -89,8 +88,6 @@ init_target_desc (struct target_desc *tdesc,
   int expedite_count = 0;
   while (expedite_regs[expedite_count] != nullptr)
     tdesc->expedite_regs.push_back (expedite_regs[expedite_count++]);
-
-  set_tdesc_osabi (tdesc, osabi);
 #endif
 }
 
diff --git a/gdbserver/tdesc.h b/gdbserver/tdesc.h
index e6cefe5..4796b50 100644
--- a/gdbserver/tdesc.h
+++ b/gdbserver/tdesc.h
@@ -81,11 +81,10 @@ void copy_target_description (struct target_desc *dest,
 			      const struct target_desc *src);
 
 /* Initialize TDESC, and then set its expedite_regs field to
-   EXPEDITE_REGS and its osabi to OSABI.  */
+   EXPEDITE_REGS.  */
 
 void init_target_desc (struct target_desc *tdesc,
-		       const char **expedite_regs,
-		       enum gdb_osabi osabi);
+		       const char **expedite_regs);
 
 /* Return the current inferior's target description.  Never returns
    NULL.  */
diff --git a/gdbserver/win32-i386-low.cc b/gdbserver/win32-i386-low.cc
index 13f9aca..0a761ca 100644
--- a/gdbserver/win32-i386-low.cc
+++ b/gdbserver/win32-i386-low.cc
@@ -596,12 +596,12 @@ i386_arch_setup (void)
 #ifdef __x86_64__
   tdesc = amd64_create_target_description (X86_XSTATE_SSE_MASK, false,
 					   false, false);
-  init_target_desc (tdesc, amd64_expedite_regs, WINDOWS_OSABI);
+  init_target_desc (tdesc, amd64_expedite_regs);
   win32_tdesc = tdesc;
 #endif
 
   tdesc = i386_create_target_description (X86_XSTATE_SSE_MASK, false, false);
-  init_target_desc (tdesc, i386_expedite_regs, WINDOWS_OSABI);
+  init_target_desc (tdesc, i386_expedite_regs);
 #ifdef __x86_64__
   wow64_win32_tdesc = tdesc;
 #else
diff --git a/gdbserver/win32-low.h b/gdbserver/win32-low.h
index daed16a..ff997df 100644
--- a/gdbserver/win32-low.h
+++ b/gdbserver/win32-low.h
@@ -21,7 +21,6 @@
 
 #include <windows.h>
 #include "nat/windows-nat.h"
-#include "gdbsupport/osabi.h"
 
 struct target_desc;
 
@@ -32,12 +31,6 @@ extern const struct target_desc *win32_tdesc;
 extern const struct target_desc *wow64_win32_tdesc;
 #endif
 
-#ifdef __CYGWIN__
-constexpr enum gdb_osabi WINDOWS_OSABI = GDB_OSABI_CYGWIN;
-#else
-constexpr enum gdb_osabi WINDOWS_OSABI = GDB_OSABI_WINDOWS;
-#endif
-
 struct win32_target_ops
 {
   /* Architecture-specific setup.  */