Merge Jorgs diverged git branch.

This branch contains:
- Better README.md (especially useful for github)
- add testing target (currently untested :) )

defaults.mk

@@ -41,7 +41,11 @@ MACHINE = $(shell uname -m)
 
 ifeq ($(findstring CYGWIN,$(OSTYPE)),CYGWIN)
   CFLAGS_SIM  = -g -Wall -pedantic -std=c99 -O0 -D_WIN32 -D_XOPEN_SOURCE=600
+  ifeq ($(MACHINE),x86_64)
+    LDFLAGS_SIM = -T simulator/i386pep.x
+  else
     LDFLAGS_SIM = -T simulator/i386pe.x
+  endif
   LIBS_SIM    = -lgdi32 -lwinmm -lm
 else
   ifeq ($(OSTYPE),FreeBSD)

simulator/i386pe.x

@@ -24,6 +24,7 @@ SECTIONS
     /* ??? Why is .gcc_exc here?  */
      *(.gcc_exc)
     PROVIDE (etext = .);
+    PROVIDE (_etext = .);
      *(.gcc_except_table)
   }
   /* The Cygwin32 library uses a section to avoid copying certain data
@@ -120,12 +121,18 @@ SECTIONS
     *(SORT(.CRT$XT*))  /* Termination */
     ___crt_xt_end__ = . ;
   }
+  /* Windows TLS expects .tls$AAA to be at the start and .tls$ZZZ to be
+     at the end of section.  This is important because _tls_start MUST
+     be at the beginning of the section to enable SECREL32 relocations with TLS
+     data.  */
   .tls BLOCK(__section_alignment__) :
   {
     ___tls_start__ = . ;
+    *(.tls$AAA)
     *(.tls)
     *(.tls$)
     *(SORT(.tls$*))
+    *(.tls$ZZZ)
     ___tls_end__ = . ;
   }
   .endjunk BLOCK(__section_alignment__) :
@@ -161,72 +168,140 @@ SECTIONS
   {
     *(.debug_aranges)
   }
+  .zdebug_aranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_aranges)
+  }
   .debug_pubnames BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_pubnames)
   }
+  .zdebug_pubnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_pubnames)
+  }
   .debug_pubtypes BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_pubtypes)
   }
+  .zdebug_pubtypes BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_pubtypes)
+  }
   /* DWARF 2.  */
   .debug_info BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_info .gnu.linkonce.wi.*)
   }
+  .zdebug_info BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_info .zdebug.gnu.linkonce.wi.*)
+  }
   .debug_abbrev BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_abbrev)
   }
+  .zdebug_abbrev BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_abbrev)
+  }
   .debug_line BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_line)
   }
+  .zdebug_line BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_line)
+  }
   .debug_frame BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_frame*)
   }
+  .zdebug_frame BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_frame*)
+  }
   .debug_str BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_str)
   }
+  .zdebug_str BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_str)
+  }
   .debug_loc BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_loc)
   }
+  .zdebug_loc BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_loc)
+  }
   .debug_macinfo BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_macinfo)
   }
+  .zdebug_macinfo BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_macinfo)
+  }
   /* SGI/MIPS DWARF 2 extensions.  */
   .debug_weaknames BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_weaknames)
   }
+  .zdebug_weaknames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_weaknames)
+  }
   .debug_funcnames BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_funcnames)
   }
+  .zdebug_funcnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_funcnames)
+  }
   .debug_typenames BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_typenames)
   }
+  .zdebug_typenames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_typenames)
+  }
   .debug_varnames BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_varnames)
   }
+  .zdebug_varnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_varnames)
+  }
   .debug_macro BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_macro)
   }
+  .zdebug_macro BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_macro)
+  }
   /* DWARF 3.  */
   .debug_ranges BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_ranges)
   }
+  .zdebug_ranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_ranges)
+  }
   /* DWARF 4.  */
   .debug_types BLOCK(__section_alignment__) (NOLOAD) :
   {
     *(.debug_types .gnu.linkonce.wt.*)
   }
+  .zdebug_types BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_types .gnu.linkonce.wt.*)
+  }
 }

simulator/i386pep.x

@@ -0,0 +1,316 @@
+/* Default linker script, for normal executables */
+OUTPUT_FORMAT(pei-x86-64)
+SEARCH_DIR("/usr/x86_64-pc-cygwin/lib"); SEARCH_DIR("/usr/lib"); SEARCH_DIR("/usr/lib/w32api");
+SECTIONS
+{
+  /* Make the virtual address and file offset synced if the alignment is
+     lower than the target page size. */
+  . = SIZEOF_HEADERS;
+  . = ALIGN(__section_alignment__);
+  .text  __image_base__ + ( __section_alignment__ < 0x1000 ? . : __section_alignment__ ) :
+  {
+     *(.init)
+    *(.text)
+    *(SORT(.text$*))
+     *(.text.*)
+     *(.gnu.linkonce.t.*)
+    *(.glue_7t)
+    *(.glue_7)
+    . = ALIGN(8);
+     ___CTOR_LIST__ = .; __CTOR_LIST__ = . ;
+			LONG (-1); LONG (-1);*(.ctors); *(.ctor); *(SORT(.ctors.*));  LONG (0); LONG (0);
+     ___DTOR_LIST__ = .; __DTOR_LIST__ = . ;
+			LONG (-1); LONG (-1); *(.dtors); *(.dtor); *(SORT(.dtors.*));  LONG (0); LONG (0);
+     *(.fini)
+    /* ??? Why is .gcc_exc here?  */
+     *(.gcc_exc)
+    PROVIDE (etext = .);
+     *(.gcc_except_table)
+  }
+  /* The Cygwin32 library uses a section to avoid copying certain data
+     on fork.  This used to be named ".data".  The linker used
+     to include this between __data_start__ and __data_end__, but that
+     breaks building the cygwin32 dll.  Instead, we name the section
+     ".data_cygwin_nocopy" and explicitly include it after __data_end__. */
+  .data BLOCK(__section_alignment__) :
+  {
+    __data_start__ = . ;
+    *(.data)
+    *(.data2)
+    *(SORT(.data$*))
+    *(.jcr)
+    . = ALIGN(16);
+    _eeprom_start__ = . ;
+    __eeprom_start__ = . ;
+    *(.eeprom)
+    . = ALIGN(16);
+    _game_descriptors_start__ = . ;
+    __game_descriptors_start__ = . ;
+    *(.game_descriptors)
+    _game_descriptors_end__ = . ;
+    __game_descriptors_end__ = . ;
+    __data_end__ = . ;
+    *(.data_cygwin_nocopy)
+  }
+  .rdata BLOCK(__section_alignment__) :
+  {
+    *(.rdata)
+             *(SORT(.rdata$*))
+    __rt_psrelocs_start = .;
+    *(.rdata_runtime_pseudo_reloc)
+    __rt_psrelocs_end = .;
+  }
+  __rt_psrelocs_size = __rt_psrelocs_end - __rt_psrelocs_start;
+  ___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;
+  __RUNTIME_PSEUDO_RELOC_LIST_END__ = .;
+  ___RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;
+  __RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;
+  .eh_frame BLOCK(__section_alignment__) :
+  {
+    *(.eh_frame*)
+  }
+  .pdata BLOCK(__section_alignment__) :
+  {
+    *(.pdata*)
+  }
+  .xdata BLOCK(__section_alignment__) :
+  {
+    *(.xdata*)
+  }
+  .bss BLOCK(__section_alignment__) :
+  {
+    __bss_start__ = . ;
+    *(.bss)
+    *(COMMON)
+    __bss_end__ = . ;
+  }
+  .edata BLOCK(__section_alignment__) :
+  {
+    *(.edata)
+  }
+  /DISCARD/ :
+  {
+    *(.debug$S)
+    *(.debug$T)
+    *(.debug$F)
+    *(.drectve)
+     *(.note.GNU-stack)
+     *(.gnu.lto_*)
+  }
+  .idata BLOCK(__section_alignment__) :
+  {
+    /* This cannot currently be handled with grouped sections.
+	See pep.em:sort_sections.  */
+    SORT(*)(.idata$2)
+    SORT(*)(.idata$3)
+    /* These zeroes mark the end of the import list.  */
+    LONG (0); LONG (0); LONG (0); LONG (0); LONG (0);
+    SORT(*)(.idata$4)
+    __IAT_start__ = .;
+    SORT(*)(.idata$5)
+    __IAT_end__ = .;
+    SORT(*)(.idata$6)
+    SORT(*)(.idata$7)
+  }
+  .CRT BLOCK(__section_alignment__) :
+  {
+    ___crt_xc_start__ = . ;
+    *(SORT(.CRT$XC*))  /* C initialization */
+    ___crt_xc_end__ = . ;
+    ___crt_xi_start__ = . ;
+    *(SORT(.CRT$XI*))  /* C++ initialization */
+    ___crt_xi_end__ = . ;
+    ___crt_xl_start__ = . ;
+    *(SORT(.CRT$XL*))  /* TLS callbacks */
+    /* ___crt_xl_end__ is defined in the TLS Directory support code */
+    ___crt_xp_start__ = . ;
+    *(SORT(.CRT$XP*))  /* Pre-termination */
+    ___crt_xp_end__ = . ;
+    ___crt_xt_start__ = . ;
+    *(SORT(.CRT$XT*))  /* Termination */
+    ___crt_xt_end__ = . ;
+  }
+  /* Windows TLS expects .tls$AAA to be at the start and .tls$ZZZ to be
+     at the end of the .tls section.  This is important because _tls_start MUST
+     be at the beginning of the section to enable SECREL32 relocations with TLS
+     data.  */
+  .tls BLOCK(__section_alignment__) :
+  {
+    ___tls_start__ = . ;
+    *(.tls$AAA)
+    *(.tls)
+    *(.tls$)
+    *(SORT(.tls$*))
+    *(.tls$ZZZ)
+    ___tls_end__ = . ;
+  }
+  .endjunk BLOCK(__section_alignment__) :
+  {
+    /* end is deprecated, don't use it */
+    PROVIDE (end = .);
+    PROVIDE ( _end = .);
+     __end__ = .;
+  }
+  .rsrc BLOCK(__section_alignment__) :
+  {
+    *(.rsrc)
+    *(SORT(.rsrc$*))
+  }
+  .reloc BLOCK(__section_alignment__) :
+  {
+    *(.reloc)
+  }
+  .stab BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.stab)
+  }
+  .stabstr BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.stabstr)
+  }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section.  Unlike other targets that fake this by putting the
+     section VMA at 0, the PE format will not allow it.  */
+  /* DWARF 1.1 and DWARF 2.  */
+  .debug_aranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_aranges)
+  }
+  .zdebug_aranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_aranges)
+  }
+  .debug_pubnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_pubnames)
+  }
+  .zdebug_pubnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_pubnames)
+  }
+  .debug_pubtypes BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_pubtypes)
+  }
+  .zdebug_pubtypes BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_pubtypes)
+  }
+  /* DWARF 2.  */
+  .debug_info BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_info .gnu.linkonce.wi.*)
+  }
+  .zdebug_info BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_info .zdebug.gnu.linkonce.wi.*)
+  }
+  .debug_abbrev BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_abbrev)
+  }
+  .zdebug_abbrev BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_abbrev)
+  }
+  .debug_line BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_line)
+  }
+  .zdebug_line BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_line)
+  }
+  .debug_frame BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_frame)
+  }
+  .zdebug_frame BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_frame)
+  }
+  .debug_str BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_str)
+  }
+  .zdebug_str BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_str)
+  }
+  .debug_loc BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_loc)
+  }
+  .zdebug_loc BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_loc)
+  }
+  .debug_macinfo BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_macinfo)
+  }
+  .zdebug_macinfo BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_macinfo)
+  }
+  /* SGI/MIPS DWARF 2 extensions.  */
+  .debug_weaknames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_weaknames)
+  }
+  .zdebug_weaknames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_weaknames)
+  }
+  .debug_funcnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_funcnames)
+  }
+  .zdebug_funcnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_funcnames)
+  }
+  .debug_typenames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_typenames)
+  }
+  .zdebug_typenames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_typenames)
+  }
+  .debug_varnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_varnames)
+  }
+  .zdebug_varnames BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_varnames)
+  }
+  .debug_macro BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_macro)
+  }
+  .zdebug_macro BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_macro)
+  }
+  /* DWARF 3.  */
+  .debug_ranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_ranges)
+  }
+  .zdebug_ranges BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_ranges)
+  }
+  /* DWARF 4.  */
+  .debug_types BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.debug_types .gnu.linkonce.wt.*)
+  }
+  .zdebug_types BLOCK(__section_alignment__) (NOLOAD) :
+  {
+    *(.zdebug_types .zdebug.gnu.linkonce.wt.*)
+  }
+}