elf.lst

au1200下的boot代码

 632              	
 350:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_offset:  %08X\n",header->p_offset);
 633              		.loc 1 350 0
 634 0414 0400058E 		lw	$5,4($16)
 635 0418 0000043C 		lui	$4,%hi($LC14)
 636 041c 0000000C 		jal	printf
 637 0420 00008424 		addiu	$4,$4,%lo($LC14)
 638              	
 351:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_vaddr:   %08X\n",header->p_vaddr);
 639              		.loc 1 351 0
 640 0424 0800058E 		lw	$5,8($16)
 641 0428 0000043C 		lui	$4,%hi($LC15)
 642 042c 0000000C 		jal	printf
 643 0430 00008424 		addiu	$4,$4,%lo($LC15)
 644              	
 352:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_paddr:   %08X\n",header->p_paddr);
GAS LISTING /tmp/ccSF7Vky.s 			page 20


 645              		.loc 1 352 0
 646 0434 0C00058E 		lw	$5,12($16)
 647 0438 0000043C 		lui	$4,%hi($LC16)
 648 043c 0000000C 		jal	printf
 649 0440 00008424 		addiu	$4,$4,%lo($LC16)
 650              	
 353:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_filesz:  %08X\n",header->p_filesz);
 651              		.loc 1 353 0
 652 0444 1000058E 		lw	$5,16($16)
 653 0448 0000043C 		lui	$4,%hi($LC17)
 654 044c 0000000C 		jal	printf
 655 0450 00008424 		addiu	$4,$4,%lo($LC17)
 656              	
 354:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_memsz:   %08X\n",header->p_memsz);
 657              		.loc 1 354 0
 658 0454 1400058E 		lw	$5,20($16)
 659 0458 0000043C 		lui	$4,%hi($LC18)
 660 045c 0000000C 		jal	printf
 661 0460 00008424 		addiu	$4,$4,%lo($LC18)
 662              	
 355:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_flags:   %08X\n",header->p_flags);
 663              		.loc 1 355 0
 664 0464 1800058E 		lw	$5,24($16)
 665 0468 0000043C 		lui	$4,%hi($LC19)
 666 046c 0000000C 		jal	printf
 667 0470 00008424 		addiu	$4,$4,%lo($LC19)
 668              	
 356:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	printf(" p_align:   %08X\n",header->p_align);
 669              		.loc 1 356 0
 670 0474 1C00058E 		lw	$5,28($16)
 671 0478 0000043C 		lui	$4,%hi($LC20)
 672 047c 1400BF8F 		lw	$31,20($sp)
 673 0480 1000B08F 		lw	$16,16($sp)
 674 0484 00008424 		addiu	$4,$4,%lo($LC20)
 675 0488 00000008 		j	printf
 676 048c 1800BD27 		addiu	$sp,$sp,24
 677              	
 678              		.set	macro
 679              		.set	reorder
 680              	$LFE9:
 681              		.end	displayProgramHeader
 682              		.align	2
 683              		.ent	elfReadProgramHeader
 684              		.type	elfReadProgramHeader, @function
 685              	elfReadProgramHeader:
 686              	$LFB10:
 357:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
 358:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** /********************************************************************/
 359:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** static void
 360:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** elfReadProgramHeader()
 361:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
 687              		.loc 1 361 0
 688              		.frame	$sp,80,$31		# vars= 40, regs= 5/0, args= 16, gp= 0
 689              		.mask	0x800f0000,-8
 690              		.fmask	0x00000000,0
 691              		.set	noreorder
 692              		.set	nomacro
GAS LISTING /tmp/ccSF7Vky.s 			page 21


 693              		
 694 0490 B0FFBD27 		addiu	$sp,$sp,-80
 695              	$LCFI22:
 696 0494 4400B3AF 		sw	$19,68($sp)
 697              	$LCFI23:
 362:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	Elf32_Phdr pgmhdr;
 363:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	int i;
 364:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	char c;
 365:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 
 366:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	if (elfhdr.e_phnum)
 698              		.loc 1 366 0
 699 0498 0000133C 		lui	$19,%hi(elfhdr)
 700              		.loc 1 361 0
 701 049c 4800BFAF 		sw	$31,72($sp)
 702              	$LCFI24:
 703 04a0 4000B2AF 		sw	$18,64($sp)
 704              	$LCFI25:
 705 04a4 3C00B1AF 		sw	$17,60($sp)
 706              	$LCFI26:
 707 04a8 3800B0AF 		sw	$16,56($sp)
 708              	$LCFI27:
 709              		.loc 1 366 0
 710 04ac 0C006426 		addiu	$4,$19,%lo(elfhdr)
 711 04b0 2C008294 		lhu	$2,44($4)
 367:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	{
 368:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		/*
 369:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		 * Seek to Program Headers.
 370:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		 */
 371:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 
 372:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		for (i = elfBytesRead; i < elfhdr.e_phoff; i++)
 373:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 			elfRead(&c, 1);
 374:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 
 375:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		for (i = 0; i < elfhdr.e_phnum; ++i)
 376:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		{
 377:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 			elfRead((char *)&pgmhdr, sizeof(Elf32_Phdr));
 378:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** //			displayProgramHeader(&pgmhdr);
 379:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 		}
 380:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** 	}
 381:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
 712              		.loc 1 381 0
 713              		.loc 1 366 0
 714 04b4 1E004010 		beq	$2,$0,$L64
 715 04b8 4800BF8F 		lw	$31,72($sp)
 716              	
 717              		.loc 1 372 0
 718 04bc 0000033C 		lui	$3,%hi(elfBytesRead)
 719 04c0 0000708C 		lw	$16,%lo(elfBytesRead)($3)
 720 04c4 1C00828C 		lw	$2,28($4)
 721 04c8 2B100202 		sltu	$2,$16,$2
 722 04cc 0A004010 		beq	$2,$0,$L62
 723 04d0 3000B127 		addiu	$17,$sp,48
 724              	
 725 04d4 21908000 		move	$18,$4
 726              		.loc 1 373 0
 727 04d8 21202002 		move	$4,$17
 728              	$L65:
 729 04dc 0000000C 		jal	elfRead
GAS LISTING /tmp/ccSF7Vky.s 			page 22


 730 04e0 01000524 		li	$5,1			# 0x1
 731              	
 732              		.loc 1 372 0
 733 04e4 1C00438E 		lw	$3,28($18)
 734 04e8 01001026 		addiu	$16,$16,1
 735 04ec 2B180302 		sltu	$3,$16,$3
 736              		.loc 1 373 0
 737              		.loc 1 372 0
 738 04f0 FAFF6014 		bne	$3,$0,$L65
 739 04f4 21202002 		move	$4,$17
 740              	
 741              	$L62:
 742              		.loc 1 375 0
 743 04f8 0C006326 		addiu	$3,$19,%lo(elfhdr)
 744 04fc 2C006294 		lhu	$2,44($3)
 745 0500 0A004010 		beq	$2,$0,$L51
 746 0504 21800000 		move	$16,$0
 747              	
 748 0508 21886000 		move	$17,$3
 749              		.loc 1 377 0
 750 050c 1000A427 		addiu	$4,$sp,16
 751              	$L66:
 752 0510 0000000C 		jal	elfRead
 753 0514 20000524 		li	$5,32			# 0x20
 754              	
 755              		.loc 1 375 0
 756 0518 2C002396 		lhu	$3,44($17)
 757 051c 01001026 		addiu	$16,$16,1
 758 0520 2A180302 		slt	$3,$16,$3
 759              		.loc 1 377 0
 760              		.loc 1 375 0
 761 0524 FAFF6014 		bne	$3,$0,$L66
 762 0528 1000A427 		addiu	$4,$sp,16
 763              	
 764              	$L51:
 765              		.loc 1 381 0
 766 052c 4800BF8F 		lw	$31,72($sp)
 767              	$L64:
 768 0530 4400B38F 		lw	$19,68($sp)
 769 0534 4000B28F 		lw	$18,64($sp)
 770 0538 3C00B18F 		lw	$17,60($sp)
 771 053c 3800B08F 		lw	$16,56($sp)
 772 0540 0800E003 		j	$31
 773 0544 5000BD27 		addiu	$sp,$sp,80
 774              	
 775              		.set	macro
 776              		.set	reorder
 777              	$LFE10:
 778              		.end	elfReadProgramHeader
 779              		.section	.rodata.str1.4
 780 01aa 0000     		.align	2
 781              	$LC21:
 782 01ac 0A       		.ascii	"\n"
 783 01ad 655F7479 		.ascii	"e_type:    %08X\n\000"
 783      70653A20 
 783      20202025 
 783      3038580A 
GAS LISTING /tmp/ccSF7Vky.s 			page 23


 783      00
 784 01be 0000     		.align	2
 785              	$LC22:
 786 01c0 655F6D61 		.ascii	"e_machine: %08X\n\000"
 786      6368696E 
 786      653A2025 
 786      3038580A 
 786      00
 787 01d1 000000   		.align	2
 788              	$LC23:
 789 01d4 655F7665 		.ascii	"e_version: %08X\n\000"
 789      7273696F 
 789      6E3A2025 
 789      3038580A 
 789      00
 790 01e5 000000   		.align	2
 791              	$LC24:
 792 01e8 655F656E 		.ascii	"e_entry:   %08X\n\000"
 792      7472793A 
 792      20202025 
 792      3038580A 
 792      00
 793 01f9 000000   		.align	2
 794              	$LC25:
 795 01fc 655F7068 		.ascii	"e_phoff:   %08X\n\000"
 795      6F66663A 
 795      20202025 
 795      3038580A 
 795      00
 796 020d 000000   		.align	2
 797              	$LC26:
 798 0210 655F7368 		.ascii	"e_shoff:   %08X\n\000"
 798      6F66663A 
 798      20202025 
 798      3038580A 
 798      00
 799 0221 000000   		.align	2
 800              	$LC27:
 801 0224 655F666C 		.ascii	"e_flags:   %08X\n\000"
 801      6167733A 
 801      20202025 
 801      3038580A 
 801      00
 802 0235 000000   		.align	2
 803              	$LC28:
 804 0238 655F6568 		.ascii	"e_ehsize:  %04X\n\000"
 804      73697A65 
 804      3A202025 
 804      3034580A 
 804      00
 805 0249 000000   		.align	2
 806              	$LC29:
 807 024c 655F7068 		.ascii	"e_phentsize:  %04X\n\000"
 807      656E7473 
 807      697A653A 
 807      20202530 
 807      34580A00 
GAS LISTING /tmp/ccSF7Vky.s 			page 24


 808              		.align	2
 809              	$LC30:
 810 0260 655F7068 		.ascii	"e_phnum:  %04X\n\000"
 810      6E756D3A 
 810      20202530 
 810      34580A00 
 811              		.align	2
 812              	$LC31:
 813 0270 655F7368 		.ascii	"e_shentsize:  %04X\n\000"
 813      656E7473 
 813      697A653A 
 813      20202530 
 813      34580A00 
 814              		.align	2
 815              	$LC32:
 816 0284 655F7368 		.ascii	"e_shnum:  %04X\n\000"
 816      6E756D3A 
 816      20202530 
 816      34580A00 
 817