Rename inflate functions to snake case and decompile inflate_fixed
This commit is contained in:
Ryan Dwyer
parent
fef8b0958d
commit
cded7ee70a
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@ -15,6 +15,15 @@
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#define NEEDBITS(n) {while(k<(n)){b|=((u32)NEXTBYTE())<<k;k+=8;}}
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#define DUMPBITS(n) {b>>=(n);k-=(n);}
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struct huft {
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u8 e; /* number of extra bits or operation */
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u8 b; /* number of bits in this code or subcode */
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union {
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u16 n; /* literal, length base, or distance base */
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struct huft *t; /* pointer to next level of table */
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} v;
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};
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u8 *inbuf = 0;
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u8 *outbuf = 0;
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@ -60,7 +69,7 @@ u32 dbits = 6;
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u32 hufts = 0;
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GLOBAL_ASM(
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glabel func70200000
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glabel huft_build
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.L70200000:
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/* 70200000: 27bdfa18 */ addiu $sp,$sp,-1512
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/* 70200004: afb20010 */ sw $s2,0x10($sp)
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@ -446,7 +455,7 @@ glabel func70200000
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);
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GLOBAL_ASM(
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glabel inflateCodes
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glabel inflate_codes
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/* 7020055c: 27bdfff0 */ addiu $sp,$sp,-16
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/* 70200560: 3c0a7020 */ lui $t2,%hi(inflate_mask)
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/* 70200564: 254a13bc */ addiu $t2,$t2,%lo(inflate_mask)
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@ -689,7 +698,7 @@ glabel inflateCodes
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);
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GLOBAL_ASM(
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glabel inflateStored
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glabel inflate_stored
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/* 702008c0: 3c097020 */ lui $t1,%hi(bk)
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/* 702008c4: 252913b8 */ addiu $t1,$t1,%lo(bk)
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/* 702008c8: 8d240000 */ lw $a0,0x0($t1)
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@ -785,100 +794,49 @@ glabel inflateStored
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/* 70200a10: 00001025 */ move $v0,$zero
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);
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GLOBAL_ASM(
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glabel inflateFixed
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/* 70200a14: 27bdfb40 */ addiu $sp,$sp,-1216
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/* 70200a18: afbf0024 */ sw $ra,0x24($sp)
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/* 70200a1c: 27a2002c */ addiu $v0,$sp,0x2c
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/* 70200a20: 27a3026c */ addiu $v1,$sp,0x26c
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/* 70200a24: 24050008 */ li $a1,0x8
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.L70200a28:
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/* 70200a28: 24420004 */ addiu $v0,$v0,0x4
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/* 70200a2c: 1443fffe */ bne $v0,$v1,.L70200a28
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/* 70200a30: ac45fffc */ sw $a1,-0x4($v0)
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/* 70200a34: 27ae042c */ addiu $t6,$sp,0x42c
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/* 70200a38: 004e082b */ sltu $at,$v0,$t6
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/* 70200a3c: 10200007 */ beqz $at,.L70200a5c
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/* 70200a40: 27af048c */ addiu $t7,$sp,0x48c
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/* 70200a44: 27a4042c */ addiu $a0,$sp,0x42c
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/* 70200a48: 24030009 */ li $v1,0x9
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.L70200a4c:
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/* 70200a4c: 24420004 */ addiu $v0,$v0,0x4
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/* 70200a50: 0044082b */ sltu $at,$v0,$a0
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/* 70200a54: 1420fffd */ bnez $at,.L70200a4c
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/* 70200a58: ac43fffc */ sw $v1,-0x4($v0)
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.L70200a5c:
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/* 70200a5c: 004f082b */ sltu $at,$v0,$t7
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/* 70200a60: 10200007 */ beqz $at,.L70200a80
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/* 70200a64: 27b804ac */ addiu $t8,$sp,0x4ac
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/* 70200a68: 27a4048c */ addiu $a0,$sp,0x48c
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/* 70200a6c: 24030007 */ li $v1,0x7
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.L70200a70:
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/* 70200a70: 24420004 */ addiu $v0,$v0,0x4
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/* 70200a74: 0044082b */ sltu $at,$v0,$a0
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/* 70200a78: 1420fffd */ bnez $at,.L70200a70
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/* 70200a7c: ac43fffc */ sw $v1,-0x4($v0)
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.L70200a80:
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/* 70200a80: 0058082b */ sltu $at,$v0,$t8
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/* 70200a84: 10200006 */ beqz $at,.L70200aa0
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/* 70200a88: 24190007 */ li $t9,0x7
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/* 70200a8c: 27a304ac */ addiu $v1,$sp,0x4ac
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.L70200a90:
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/* 70200a90: 24420004 */ addiu $v0,$v0,0x4
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/* 70200a94: 0043082b */ sltu $at,$v0,$v1
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/* 70200a98: 1420fffd */ bnez $at,.L70200a90
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/* 70200a9c: ac45fffc */ sw $a1,-0x4($v0)
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.L70200aa0:
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/* 70200aa0: 3c087020 */ lui $t0,%hi(cplext)
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/* 70200aa4: 25081338 */ addiu $t0,$t0,%lo(cplext)
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/* 70200aa8: 3c077020 */ lui $a3,%hi(cplens)
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/* 70200aac: 27a904b8 */ addiu $t1,$sp,0x4b8
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/* 70200ab0: 27aa04b0 */ addiu $t2,$sp,0x4b0
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/* 70200ab4: afb904b0 */ sw $t9,0x4b0($sp)
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/* 70200ab8: afaa0018 */ sw $t2,0x18($sp)
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/* 70200abc: afa90014 */ sw $t1,0x14($sp)
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/* 70200ac0: 24e712f8 */ addiu $a3,$a3,%lo(cplens)
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/* 70200ac4: afa80010 */ sw $t0,0x10($sp)
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/* 70200ac8: 27a4002c */ addiu $a0,$sp,0x2c
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/* 70200acc: 24050120 */ li $a1,0x120
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/* 70200ad0: 0c080000 */ jal .L70200000
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/* 70200ad4: 24060101 */ li $a2,0x101
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/* 70200ad8: 27a2002c */ addiu $v0,$sp,0x2c
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/* 70200adc: 27a400a4 */ addiu $a0,$sp,0xa4
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/* 70200ae0: 24030005 */ li $v1,0x5
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.L70200ae4:
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/* 70200ae4: 24420004 */ addiu $v0,$v0,0x4
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/* 70200ae8: 1444fffe */ bne $v0,$a0,.L70200ae4
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/* 70200aec: ac43fffc */ sw $v1,-0x4($v0)
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/* 70200af0: 3c0c7020 */ lui $t4,%hi(cpdext)
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/* 70200af4: 240b0005 */ li $t3,0x5
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/* 70200af8: 258c1394 */ addiu $t4,$t4,%lo(cpdext)
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/* 70200afc: 3c077020 */ lui $a3,%hi(cpdist)
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/* 70200b00: 27ad04b4 */ addiu $t5,$sp,0x4b4
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/* 70200b04: 27ae04ac */ addiu $t6,$sp,0x4ac
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/* 70200b08: afab04ac */ sw $t3,0x4ac($sp)
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/* 70200b0c: afae0018 */ sw $t6,0x18($sp)
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/* 70200b10: afad0014 */ sw $t5,0x14($sp)
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/* 70200b14: 24e71358 */ addiu $a3,$a3,%lo(cpdist)
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/* 70200b18: afac0010 */ sw $t4,0x10($sp)
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/* 70200b1c: 27a4002c */ addiu $a0,$sp,0x2c
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/* 70200b20: 2405001e */ li $a1,0x1e
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/* 70200b24: 0c080000 */ jal .L70200000
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/* 70200b28: 00003025 */ move $a2,$zero
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/* 70200b2c: 8fa404b8 */ lw $a0,0x4b8($sp)
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/* 70200b30: 8fa504b4 */ lw $a1,0x4b4($sp)
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/* 70200b34: 8fa604b0 */ lw $a2,0x4b0($sp)
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/* 70200b38: 0c080157 */ jal inflateCodes
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/* 70200b3c: 8fa704ac */ lw $a3,0x4ac($sp)
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/* 70200b40: 8fbf0024 */ lw $ra,0x24($sp)
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/* 70200b44: 27bd04c0 */ addiu $sp,$sp,0x4c0
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/* 70200b48: 00001025 */ move $v0,$zero
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/* 70200b4c: 03e00008 */ jr $ra
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/* 70200b50: 00000000 */ nop
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);
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u32 inflate_fixed(void)
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{
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s32 i; /* temporary variable */
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struct huft *tl; /* literal/length code table */
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struct huft *td; /* distance code table */
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u32 bl; /* lookup bits for tl */
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u32 bd; /* lookup bits for td */
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u32 l[288]; /* length list for huft_build */
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/* set up literal table */
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for (i = 0; i < 144; i++) {
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l[i] = 8;
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}
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for (; i < 256; i++) {
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l[i] = 9;
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}
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for (; i < 280; i++) {
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l[i] = 7;
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}
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for (; i < 288; i++) {
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l[i] = 8;
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}
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bl = 7;
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huft_build(l, 288, 257, cplens, cplext, &tl, &bl);
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/* set up distance table */
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for (i = 0; i < 30; i++) {
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l[i] = 5;
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}
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bd = 5;
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huft_build(l, 30, 0, cpdist, cpdext, &td, &bd);
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inflate_codes(tl, td, bl, bd);
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return 0;
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}
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GLOBAL_ASM(
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glabel inflateDynamic
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glabel inflate_dynamic
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/* 70200b54: 3c087020 */ lui $t0,%hi(bk)
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/* 70200b58: 8d0813b8 */ lw $t0,%lo(bk)($t0)
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/* 70200b5c: 27bdfa98 */ addiu $sp,$sp,-1384
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@ -1231,7 +1189,7 @@ glabel inflateDynamic
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/* 70201050: 8fa40550 */ lw $a0,0x550($sp)
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/* 70201054: 8fa5054c */ lw $a1,0x54c($sp)
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/* 70201058: 8fa60548 */ lw $a2,0x548($sp)
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/* 7020105c: 0c080157 */ jal inflateCodes
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/* 7020105c: 0c080157 */ jal inflate_codes
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/* 70201060: 8fa70544 */ lw $a3,0x544($sp)
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/* 70201064: 8fbf002c */ lw $ra,0x2c($sp)
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/* 70201068: 8fb00028 */ lw $s0,0x28($sp)
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@ -1240,7 +1198,7 @@ glabel inflateDynamic
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/* 70201074: 00001025 */ move $v0,$zero
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);
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u32 inflateBlock(u32 *e)
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u32 inflate_block(u32 *e)
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{
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u32 t;
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u32 b = bb;
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@ -1258,15 +1216,15 @@ u32 inflateBlock(u32 *e)
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bk = k;
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if (t == 2) {
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return inflateDynamic();
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return inflate_dynamic();
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}
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if (t == 0) {
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return inflateStored();
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return inflate_stored();
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}
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if (t == 1) {
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return inflateFixed();
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return inflate_fixed();
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}
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return 2;
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@ -1285,7 +1243,7 @@ u32 inflate(void)
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do {
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hufts = 0;
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r = inflateBlock(&sp52);
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r = inflate_block(&sp52);
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if (r != 0) {
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return r;
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