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* reviewed util.carg@mmvi2006-09-201-1/+2
* removed a bunch of lines through making function signatures more consistent w...Anselm R. Garbe2006-09-121-8/+4
* added a comment to spawn 1.1Anselm R. Garbe2006-08-281-0/+1
* eliminated sentinel warningAnselm R. Garbe2006-08-231-1/+1
* removed badmalloc (thx for the pointer to Uriel)Anselm R. Garbe2006-08-221-10/+2
* small renamings of two static functionsAnselm R.Garbe2006-08-211-3/+3
* implemented restack behavior (floats are on top in tiled mode)Anselm R.Garbe2006-08-141-0/+9
* applied grabbing-- and shell_minimalarg@10ksloc.org2006-08-071-1/+1
* using execl now, argv changed, using cmd and const char defs directly in the ...arg@10ksloc.org2006-08-041-4/+7
* small stylistic fixarg@10ksloc.org2006-08-041-1/+2
* made fullscreen apps working fine in floating mode (there is no sane way to m...arg@10ksloc.org2006-08-021-1/+0
* some cleanups/fixes inspired by Jukka Salmi's feedbackarg@10ksloc.org2006-07-211-4/+2
* cleaned up codearg@10ksloc.org2006-07-201-0/+3
* using EXIT_stuff in exit() nowAnselm R. Garbe2006-07-181-3/+3
* ordered variables in structs and source files alphabeticallyAnselm R. Garbe2006-07-171-2/+2
* proceeded with cleaning up, sorting functions, etcAnselm R. Garbe2006-07-151-11/+13
* rearranged several stuffAnselm R. Garbe2006-07-151-1/+1
* removed a bunch of lines through swap removalAnselm R. Garbe2006-07-141-8/+0
* searching for a better way to discard enter notifiesAnselm R. Garbe2006-07-141-28/+0
* implemented tagging a clientAnselm R. Garbe2006-07-131-1/+2
* changed default colorsAnselm R. Garbe2006-07-131-1/+1
* added logo+descriptionAnselm R. Garbe2006-07-131-1/+1
* new stuff (some warning elimination)Anselm R. Garbe2006-07-131-2/+2
* removed unnecessary crapAnselm R. Garbe2006-07-131-49/+2
* new stuff, fixed several issuesAnselm R. Garbe2006-07-121-2/+3
* several changes, new stuffAnselm R. Garbe2006-07-111-1/+1
* removed unnecessary sel stuffAnselm R. Garbe2006-07-111-38/+0
* added bar event timerAnselm R. Garbe2006-07-111-17/+8
* added gridsel to gridwmAnselm R. Garbe2006-07-111-0/+38
* fixed several stuff (gridwm gets better and better)Anselm R. Garbe2006-07-111-6/+7
* implemented pipe_spawnAnselm R. Garbe2006-07-111-4/+52
* added several other stuffAnselm R. Garbe2006-07-101-0/+23
* several new changes, made gridmenu workingAnselm R. Garbe2006-07-101-0/+59
* added new stuffAnselm R. Garbe2006-07-101-0/+18
me/050_write.subx?h=main&id=5a6601aba973ba1d1ef30b7b64438c25623b89c5'>^
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# _write: write to a file descriptor (fd)

== code
#   instruction                     effective address                                                   register    displacement    immediate
# . op          subop               mod             rm32          base        index         scale       r32
# . 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes

Entry:  # just exit; can't test _write just yet
    # . syscall(exit, 0)
    bb/copy-to-ebx  0/imm32
    b8/copy-to-eax  1/imm32/exit
    cd/syscall  0x80/imm8

_write:  # fd: int, s: (addr array byte)
    # . prologue
    55/push-ebp
    89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp
    # . save registers
    50/push-eax
    51/push-ecx
    52/push-edx
    53/push-ebx
    # syscall(write, fd, (data) s+4, (size) *s)
    # . ebx = fd
    8b/copy                         1/mod/*+disp8   5/rm32/ebp    .           .             .           3/r32/ebx   8/disp8         .                 # copy *(ebp+8) to ebx
    # . var data/ecx: (addr byte) = s+4
    8b/copy                         1/mod/*+disp8   5/rm32/ebp    .           .             .           1/r32/ecx   0xc/disp8       .                 # copy *(ebp+12) to ecx
    81          0/subop/add         3/mod/direct    1/rm32/ecx    .           .             .           .           .               4/imm32           # add to ecx
    # . var size/edx: int = *s
    8b/copy                         1/mod/*+disp8   5/rm32/ebp    .           .             .           2/r32/edx   0xc/disp8       .                 # copy *(ebp+12) to edx
    8b/copy                         0/mod/indirect  2/rm32/edx    .           .             .           2/r32/edx   .               .                 # copy *edx to edx
    # . syscall
    b8/copy-to-eax  4/imm32/write
    cd/syscall  0x80/imm8
    # if (eax < 0) abort
    3d/compare-eax-with  0/imm32
    0f 8c/jump-if-<  $_write:abort/disp32
$_write:end:
    # . restore registers
    5b/pop-to-ebx
    5a/pop-to-edx
    59/pop-to-ecx
    58/pop-to-eax
    # . epilogue
    89/copy                         3/mod/direct    4/rm32/esp    .           .             .           5/r32/ebp   .               .                 # copy ebp to esp
    5d/pop-to-ebp
    c3/return

$_write:abort:
    # can't write a message here for risk of an infinite loop, so we'll use a special exit code instead
    # . syscall(exit, 255)
    bb/copy-to-ebx  0xff/imm32
    b8/copy-to-eax  1/imm32/exit
    cd/syscall  0x80/imm8
    # never gets here

# . . vim:nowrap:textwidth=0