prt0.as 3.1 KB

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  1. .file "crt1.c"
  2. #APP
  3. .ident "$FreeBSD: src/lib/csu/common/crtbrand.c,v 1.4 2003/10/17 15:43:13 peter Exp $"
  4. #NO_APP
  5. .section .note.tag,"a",@note
  6. .align 4
  7. .type abitag, @object
  8. .size abitag, 48
  9. abitag:
  10. .long 8
  11. .long 4
  12. .long 1
  13. .string "FreeBSD"
  14. .long 1400097
  15. .long 8
  16. .long 4
  17. .long 1
  18. .string "FreeBSD"
  19. .long 0
  20. .section .rodata
  21. .LC0:
  22. .string ""
  23. .globl __progname
  24. .data
  25. .p2align 3
  26. .type __progname, @object
  27. .size __progname, 8
  28. __progname:
  29. .quad .LC0
  30. .text
  31. .p2align 2,,3
  32. .globl _start
  33. .type _start, @function
  34. _start:
  35. .LFB9:
  36. pushq %rbp
  37. .LCFI0:
  38. movq %rsp, %rbp
  39. .LCFI1:
  40. subq $48, %rsp
  41. .LCFI2:
  42. movq %rdi, -8(%rbp)
  43. movq %rsi, -16(%rbp)
  44. movq -8(%rbp), %rax
  45. movl (%rax), %eax
  46. movl %eax, -20(%rbp)
  47. movl %eax, operatingsystem_parameter_argc(%rip)
  48. movq -8(%rbp), %rax
  49. addq $8, %rax
  50. movq %rax, -32(%rbp)
  51. movq %rax, operatingsystem_parameter_argv(%rip)
  52. movl -20(%rbp), %eax
  53. cltq
  54. salq $3, %rax
  55. addq -8(%rbp), %rax
  56. addq $16, %rax
  57. movq %rax, -40(%rbp)
  58. movq %rax, operatingsystem_parameter_envp(%rip)
  59. movq -40(%rbp), %rax
  60. movq %rax, environ(%rip)
  61. cmpl $0, -20(%rbp)
  62. jle .L5
  63. movq -32(%rbp), %rax
  64. cmpq $0, (%rax)
  65. je .L5
  66. movq -32(%rbp), %rax
  67. movq (%rax), %rax
  68. movq %rax, __progname(%rip)
  69. movq __progname(%rip), %rax
  70. movq %rax, -48(%rbp)
  71. .L6:
  72. movq -48(%rbp), %rax
  73. cmpb $0, (%rax)
  74. jne .L9
  75. jmp .L5
  76. .L9:
  77. movq -48(%rbp), %rax
  78. cmpb $47, (%rax)
  79. jne .L8
  80. movq -48(%rbp), %rax
  81. incq %rax
  82. movq %rax, __progname(%rip)
  83. .L8:
  84. leaq -48(%rbp), %rax
  85. incq (%rax)
  86. jmp .L6
  87. .L5:
  88. # movl $_DYNAMIC, %eax
  89. # testq %rax, %rax
  90. # je .L11
  91. # movq -16(%rbp), %rdi
  92. # call atexit
  93. .L11:
  94. # movl $_fini, %edi
  95. # call atexit
  96. # call _init
  97. # movq -40(%rbp), %rdx #env
  98. # movq -32(%rbp), %rsi #argv
  99. # movl -20(%rbp), %edi # argc
  100. xorq %rbp,%rbp
  101. call main
  102. movl %eax, %edi
  103. # call exit
  104. .LFE9:
  105. .size _start, .-_start
  106. #APP
  107. .ident "$FreeBSD: src/lib/csu/amd64/crt1.c,v 1.13 2003/04/30 19:27:07 peter Exp $"
  108. #NO_APP
  109. .bss
  110. .type __stkptr,@object
  111. .size __stkptr,8
  112. .global __stkptr
  113. __stkptr:
  114. .skip 8
  115. .type operatingsystem_parameters,@object
  116. .size operatingsystem_parameters,24
  117. operatingsystem_parameters:
  118. .skip 3*8
  119. .global operatingsystem_parameter_envp
  120. .global operatingsystem_parameter_argc
  121. .global operatingsystem_parameter_argv
  122. .set operatingsystem_parameter_envp,operatingsystem_parameters+0
  123. .set operatingsystem_parameter_argc,operatingsystem_parameters+8
  124. .set operatingsystem_parameter_argv,operatingsystem_parameters+16
  125. .comm environ,8,8
  126. .weak _DYNAMIC
  127. .section .eh_frame,"a",@progbits
  128. .Lframe1:
  129. .long .LECIE1-.LSCIE1
  130. .LSCIE1:
  131. .long 0x0
  132. .byte 0x1
  133. .string ""
  134. .uleb128 0x1
  135. .sleb128 -8
  136. .byte 0x10
  137. .byte 0xc
  138. .uleb128 0x7
  139. .uleb128 0x8
  140. .byte 0x90
  141. .uleb128 0x1
  142. .p2align 3
  143. .LECIE1:
  144. .LSFDE1:
  145. .long .LEFDE1-.LASFDE1
  146. .LASFDE1:
  147. .long .LASFDE1-.Lframe1
  148. .quad .LFB9
  149. .quad .LFE9-.LFB9
  150. .byte 0x4
  151. .long .LCFI0-.LFB9
  152. .byte 0xe
  153. .uleb128 0x10
  154. .byte 0x86
  155. .uleb128 0x2
  156. .byte 0x4
  157. .long .LCFI1-.LCFI0
  158. .byte 0xd
  159. .uleb128 0x6
  160. .p2align 3
  161. .LEFDE1:
  162. .ident "GCC: (GNU) 3.3.3 [FreeBSD] 20031106"
  163. .section .note.GNU-stack,"",@progbits