Add gdbsym.c object to help with running gdb-to-qemu
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@ -0,0 +1,28 @@
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#include <stdio.h>
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#include <gpxe/init.h>
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#include <console.h>
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#include <realmode.h>
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extern char __text[];
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extern char __rodata[];
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extern char __data[];
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extern char __bss[];
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extern char __text16[];
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extern char __data16[];
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static void gdb_symbol_line ( void ) {
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printf ( "Commands to start up gdb:\n\n" );
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printf ( "gdb\n" );
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printf ( "target remote localhost:1234\n" );
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printf ( "add-symbol-file symbols %#lx", virt_to_phys ( __text ) );
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printf ( " -s .rodata %#lx", virt_to_phys ( __rodata ) );
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printf ( " -s .data %#lx", virt_to_phys ( __data ) );
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printf ( " -s .bss %#lx", virt_to_phys ( __bss ) );
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printf ( " -s .text16 %#x", ( ( rm_cs << 4 ) + (int)__text16 ) );
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printf ( " -s .data16 %#x", ( ( rm_ds << 4 ) + (int)__data16 ) );
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printf ( "\n" );
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getkey();
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}
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INIT_FN ( INIT_GDBSYM, gdb_symbol_line, NULL, NULL );
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@ -143,5 +143,6 @@
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#undef BUILD_ID /* Include a custom build ID string,
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#undef BUILD_ID /* Include a custom build ID string,
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* e.g "test-foo" */
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* e.g "test-foo" */
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#undef NULL_TRAP /* Attempt to catch NULL function calls */
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#undef NULL_TRAP /* Attempt to catch NULL function calls */
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#define DUMP_GDBSYM /* Dump GDB symbol table information */
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/* @END general.h */
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/* @END general.h */
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@ -187,3 +187,6 @@ REQUIRE_OBJECT ( dhcp_cmd );
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#ifdef NULL_TRAP
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#ifdef NULL_TRAP
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REQUIRE_OBJECT ( nulltrap );
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REQUIRE_OBJECT ( nulltrap );
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#endif
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#endif
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#ifdef DUMP_GDBSYM
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REQUIRE_OBJECT ( gdbsym );
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#endif
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@ -36,8 +36,9 @@ struct init_fn {
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/* Use double digits to avoid problems with "10" < "9" on alphabetic sort */
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/* Use double digits to avoid problems with "10" < "9" on alphabetic sort */
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#define INIT_CONSOLE 02
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#define INIT_CONSOLE 02
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#define INIT_CPU 03
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#define INIT_GDBSYM 03
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#define INIT_TIMERS 04
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#define INIT_CPU 04
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#define INIT_TIMERS 05
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#define INIT_LOADBUF 08
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#define INIT_LOADBUF 08
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#define INIT_PCMCIA 09
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#define INIT_PCMCIA 09
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#define INIT_RPC 11
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#define INIT_RPC 11
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