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authorcomex2015-01-11 21:52:31 -0500
committercomex2015-01-11 21:52:31 -0500
commit6fda830d15d4c0d4289c568320b70c9af11cc902 (patch)
tree904488445ae619897d67a588e524e84be1b9678e /lib
parentthumb2 progress (diff)
downloadsubstitute-6fda830d15d4c0d4289c568320b70c9af11cc902.tar.gz
thumb2 and stuff
Diffstat (limited to 'lib')
-rw-r--r--lib/dis-arm.inc.h6
-rw-r--r--lib/dis-thumb.inc.h23
-rw-r--r--lib/dis-thumb2.inc.h56
-rw-r--r--lib/dis.h4
4 files changed, 60 insertions, 29 deletions
diff --git a/lib/dis-arm.inc.h b/lib/dis-arm.inc.h
index 550b8e7..6ed4bc6 100644
--- a/lib/dis-arm.inc.h
+++ b/lib/dis-arm.inc.h
@@ -91,11 +91,11 @@ static INLINE tdis_ret P(addr_offset_none_addr_postidx_imm8s4_offset_S_4_STC2L_P
static INLINE tdis_ret P(addr_offset_none_addr_unk_Rt_13_LDA)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) {
data(r(addr), rout(Rt));
}
-static INLINE tdis_ret P(addrmode3_addr_unk_Rt_4_LDRD)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
+static INLINE tdis_ret P(addrmode3_addr_unk_Rt_4_LDRD)(tdis_ctx ctx, struct bitslice addr, UNUSED struct bitslice Rt) {
/* ignoring Rt2 = Rt + 1, but it isn't supposed to load PC anyway */
data(rs(addr, 9, 4), rs(addr, 0, 4));
}
-static INLINE tdis_ret P(addrmode3_pre_addr_unk_Rt_4_LDRD_PRE)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
+static INLINE tdis_ret P(addrmode3_pre_addr_unk_Rt_4_LDRD_PRE)(tdis_ctx ctx, struct bitslice addr, UNUSED struct bitslice Rt) {
data(rs(addr, 9, 4), rs(addr, 0, 4));
}
static INLINE tdis_ret P(addrmode5_addr_8_LDC2L_OFFSET)(tdis_ctx ctx, struct bitslice addr) {
@@ -159,5 +159,7 @@ static INLINE tdis_ret P(GPR_Rt_addr_offset_none_addr_postidx_reg_Rm_S_1_STRHTr)
static tdis_ret P(dis_arm)(tdis_ctx ctx) {
unsigned op = ctx->op;
#include "../generated/transform-dis-arm.inc.h"
+ /* clang doesn't realize that this is unreachable * and generates code like
+ * "and ecx, 0x1f; cmp ecx, 0x1f; ja abort". Yeah, nice job there. */
__builtin_abort();
}
diff --git a/lib/dis-thumb.inc.h b/lib/dis-thumb.inc.h
index 5541510..eb1aae4 100644
--- a/lib/dis-thumb.inc.h
+++ b/lib/dis-thumb.inc.h
@@ -1,6 +1,6 @@
#include "dis.h"
static INLINE tdis_ret P(GPR_Rm_2_tADDhirr)(tdis_ctx ctx, struct bitslice Rm) {
- return P(regs)(ctx, Rm, 0, 3, Rm, 0, 0);
+ data(r(Rm));
}
static INLINE tdis_ret P(GPR_Rm_B_1_tBX)(tdis_ctx ctx, struct bitslice Rm) {
unsigned val = bs_get(Rm, ctx->op);
@@ -17,27 +17,34 @@ static INLINE tdis_ret P(GPR_Rm_unk_Rd_1_tMOVr)(tdis_ctx ctx, struct bitslice Rd
if (Rd_val == 15)
return P(bad)(ctx);
if (Rm_val == 15)
- return P(pcrel)(ctx, ctx->pc + 4, Rd_val);
+ return P(pcrel)(ctx, ctx->pc + 4, Rd_val, false);
return P(unidentified)(ctx);
}
-static INLINE tdis_ret P(t_addrmode_pc_addr_1_tLDRpci)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
+static INLINE tdis_ret P(tGPR_Rn_reglist_regs_1_tLDMIA)(tdis_ctx ctx, UNUSED struct bitslice regs, UNUSED struct bitslice Rn) {
+ return P(unidentified)(ctx);
+}
+static INLINE tdis_ret P(tGPR_Rn_reglist_regs_S_1_tSTMIA_UPD)(tdis_ctx ctx, UNUSED struct bitslice regs, UNUSED struct bitslice Rn) {
+ return P(unidentified)(ctx);
+}
+static INLINE tdis_ret P(t_addrmode_pc_addr_unk_Rt_1_tLDRpci)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + bs_get(addr, ctx->op), bs_get(Rt, ctx->op), true);
}
-static INLINE tdis_ret P(t_adrlabel_addr_1_tADR)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rd) {
+static INLINE tdis_ret P(t_adrlabel_addr_unk_Rd_1_tADR)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rd) {
return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + bs_get(addr, ctx->op), bs_get(Rd, ctx->op), false);
}
static INLINE tdis_ret P(t_bcctarget_target_B_1_tBcc)(tdis_ctx ctx, struct bitslice target) {
- return P(branch)(ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 8);
+ return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 8));
}
static INLINE tdis_ret P(t_brtarget_target_B_1_tB)(tdis_ctx ctx, struct bitslice target) {
- return P(branch)(ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 11);
+ return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 11));
}
static INLINE tdis_ret P(t_cbtarget_target_B_2_tCBNZ)(tdis_ctx ctx, struct bitslice target) {
- return P(branch)(ctx->pc + 4 + 2 * bs_get(target, ctx->op);
+ return P(branch)(ctx, ctx->pc + 4 + 2 * bs_get(target, ctx->op));
}
static tdis_ret P(dis_thumb)(tdis_ctx ctx) {
unsigned op = ctx->op;
- #include "../generated/transform-dis-thumb.inc"
+ #include "../generated/transform-dis-thumb.inc.h"
+ __builtin_abort();
}
diff --git a/lib/dis-thumb2.inc.h b/lib/dis-thumb2.inc.h
index 02b9ebe..e18f268 100644
--- a/lib/dis-thumb2.inc.h
+++ b/lib/dis-thumb2.inc.h
@@ -2,10 +2,19 @@
static INLINE tdis_ret P(GPR_Rm_unk_Rd_1_t2MOVr)(tdis_ctx ctx, struct bitslice Rm, struct bitslice Rd) {
data(rout(Rd), r(Rm));
}
+static INLINE tdis_ret P(GPR_Rn_reglist_regs_4_t2LDMDB)(tdis_ctx ctx, struct bitslice regs, UNUSED struct bitslice Rn) {
+ unsigned regs_val = bs_get(regs, ctx->op);
+ if(regs_val & (1 << 15))
+ return P(ret)(ctx);
+ return P(unidentified)(ctx);
+}
+static INLINE tdis_ret P(GPR_Rn_reglist_regs_S_4_t2STMDB)(tdis_ctx ctx, UNUSED struct bitslice regs, UNUSED struct bitslice Rn) {
+ return P(unidentified)(ctx);
+}
static INLINE tdis_ret P(GPR_Rn_unk_Rd_1_t2ADDri12)(tdis_ctx ctx, struct bitslice Rd, struct bitslice Rn) {
data(rout(Rd), r(Rn));
}
-static INLINE tdis_ret P(GPR_Rt_8_VMOVDRR)(tdis_ctx ctx, struct bitslice Rt) {
+static INLINE tdis_ret P(GPR_Rt_8_VMOVDRR)(tdis_ctx ctx, UNUSED struct bitslice Rt) {
return P(unidentified)(ctx); /* don't care */
}
static INLINE tdis_ret P(GPR_Rt_t2addrmode_imm12_addr_S_1_t2STRi12)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
@@ -26,9 +35,15 @@ static INLINE tdis_ret P(GPRnopc_Rn_unk_Rd_2_t2ADDri)(tdis_ctx ctx, struct bitsl
static INLINE tdis_ret P(GPRnopc_Rt_t2addrmode_imm8_pre_addr_S_1_t2STR_PRE)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
data(rs(addr, 9, 4), r(Rt));
}
-static INLINE tdis_ret P(GPRnopc_Rt_t2am_imm8_offset_offset_S_1_t2STR_POST)(tdis_ctx ctx, struct bitslice offset, struct bitslice Rt) {
+static INLINE tdis_ret P(GPRnopc_Rt_addr_offset_none_Rn_t2am_imm8_offset_offset_S_1_t2STR_POST)(tdis_ctx ctx, UNUSED struct bitslice offset, struct bitslice Rt, struct bitslice Rn) {
data(r(Rt), r(Rn));
}
+static INLINE tdis_ret P(rGPR_Rt_addr_offset_none_addr_S_4_t2STL)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) {
+ data(rout(Rt), r(addr));
+}
+static INLINE tdis_ret P(rGPR_Rt_addr_offset_none_addr_unk_Rd_S_7_t2STLEX)(tdis_ctx ctx, struct bitslice Rd, struct bitslice Rt, struct bitslice addr) {
+ data(rout(Rd), rout(Rt), r(addr));
+}
static INLINE tdis_ret P(addr_offset_none_addr_4_t2LDC2L_OPTION)(tdis_ctx ctx, struct bitslice addr) {
data(r(addr));
}
@@ -57,13 +72,10 @@ static INLINE tdis_ret P(addrmode5_pre_addr_S_4_t2STC2L_PRE)(tdis_ctx ctx, struc
data(rs(addr, 9, 4));
}
static INLINE tdis_ret P(brtarget_target_B_1_t2Bcc)(tdis_ctx ctx, struct bitslice target) {
- return P(branch)(ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 20);
-}
-static INLINE tdis_ret P(rGPR_Rt_addr_offset_none_addr_S_11_t2STL)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) {
- data(r(Rt), r(addr));
+ return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 20));
}
-static INLINE tdis_ret P(rGPR_Rt_t2addrmode_imm0_1020s4_addr_S_1_t2STREX)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
- data(r(Rt), rs(addr, 8, 4));
+static INLINE tdis_ret P(rGPR_Rt_t2addrmode_imm0_1020s4_addr_unk_Rd_S_1_t2STREX)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt, struct bitslice Rd) {
+ data(rout(Rd), r(Rt), rs(addr, 8, 4));
}
static INLINE tdis_ret P(rGPR_Rt_t2addrmode_imm12_addr_S_2_t2STRBi12)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
data(r(Rt), rs(addr, 13, 4));
@@ -83,7 +95,7 @@ static INLINE tdis_ret P(rGPR_Rt_t2addrmode_negimm8_addr_S_2_t2STRBi8)(tdis_ctx
static INLINE tdis_ret P(rGPR_Rt_t2addrmode_so_reg_addr_S_2_t2STRBs)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
data(rs(addr, 6, 4), rs(Rt, 2, 4), r(Rt));
}
-static INLINE tdis_ret P(rGPR_Rt_t2am_imm8_offset_offset_S_2_t2STRB_POST)(tdis_ctx ctx, struct bitslice offset, struct bitslice Rt) {
+static INLINE tdis_ret P(rGPR_Rt_addr_offset_none_Rn_t2am_imm8_offset_offset_S_2_t2STRB_POST)(tdis_ctx ctx, UNUSED struct bitslice offset, struct bitslice Rt, struct bitslice Rn) {
data(r(Rt), r(Rn));
}
static INLINE tdis_ret P(t2addrmode_imm0_1020s4_addr_unk_Rt_1_t2LDREX)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
@@ -96,12 +108,15 @@ static INLINE tdis_ret P(t2addrmode_imm8_addr_unk_Rt_S_3_t2STRBT)(tdis_ctx ctx,
data(r(Rt), rs(addr, 9, 4));
}
static INLINE tdis_ret P(t2addrmode_imm8_pre_addr_unk_Rt_5_t2LDRB_PRE)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
- data(rs(addr, 9, 4));
+ data(rout(Rt), rs(addr, 9, 4));
+}
+static INLINE tdis_ret P(addr_offset_none_Rn_t2am_imm8_offset_offset_unk_Rt_5_t2LDRB_POST)(tdis_ctx ctx, UNUSED struct bitslice offset, struct bitslice Rt, struct bitslice Rn) {
+ data(rout(Rt), r(Rn));
}
-static INLINE tdis_ret P(t2addrmode_imm8s4_addr_unk_Rt_1_t2LDRDi8)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
+static INLINE tdis_ret P(t2addrmode_imm8s4_addr_unk_Rt_1_t2LDRDi8)(tdis_ctx ctx, struct bitslice addr, UNUSED struct bitslice Rt) {
data(rs(addr, 9, 4));
}
-static INLINE tdis_ret P(t2addrmode_imm8s4_pre_addr_unk_Rt_1_t2LDRD_PRE)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
+static INLINE tdis_ret P(t2addrmode_imm8s4_pre_addr_unk_Rt_1_t2LDRD_PRE)(tdis_ctx ctx, struct bitslice addr, UNUSED struct bitslice Rt) {
data(rs(addr, 9, 4));
}
static INLINE tdis_ret P(t2addrmode_negimm8_addr_unk_Rt_5_t2LDRBi8)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
@@ -111,23 +126,30 @@ static INLINE tdis_ret P(t2addrmode_posimm8_addr_unk_Rt_5_t2LDRBT)(tdis_ctx ctx,
data(rout(Rt), rs(addr, 9, 4));
}
static INLINE tdis_ret P(t2addrmode_so_reg_addr_unk_Rt_5_t2LDRBs)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
+ data(rout(Rt), rs(addr, 6, 4), rs(addr, 2, 4));
}
static INLINE tdis_ret P(t2adrlabel_addr_unk_Rd_1_t2ADR)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rd) {
return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + (bs_get(addr, ctx->op) & ((1 << 12) - 1)), bs_get(Rd, ctx->op), false);
}
static INLINE tdis_ret P(t2ldrlabel_addr_unk_Rt_5_t2LDRBpci)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) {
- return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + (bs_get(addr, ctx->op) & ((1 << 12) - 1)), bs_get(Rd, ctx->op), true);
+ return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + (bs_get(addr, ctx->op) & ((1 << 12) - 1)), bs_get(Rt, ctx->op), true);
}
static INLINE tdis_ret P(uncondbrtarget_target_B_1_t2B)(tdis_ctx ctx, struct bitslice target) {
- return P(branch)(ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 24);
+ return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 24));
}
static INLINE tdis_ret P(unk_Rd_3_t2MOVTi16)(tdis_ctx ctx, struct bitslice Rd) {
- data(rout(Rt));
+ data(rout(Rd));
}
-static INLINE tdis_ret P(unk_Rm_B_2_t2TBB)(tdis_ctx ctx, struct bitslice Rm) {
+static INLINE tdis_ret P(unk_Rm_B_2_t2TBB)(tdis_ctx ctx, UNUSED struct bitslice Rm) {
/* Ew. Don't bother for now - this is hard to make show up in the first 8 bytes... */
return P(bad)(ctx);
}
-static INLINE tdis_ret P(unk_Rt_13_VMOVRRD)(tdis_ctx ctx, struct bitslice Rt) {
+static INLINE tdis_ret P(unk_Rt_13_VMOVRRD)(tdis_ctx ctx, UNUSED struct bitslice Rt) {
return P(unidentified)(ctx);
}
+
+static tdis_ret P(dis_thumb2)(tdis_ctx ctx) {
+ unsigned op = ctx->op;
+ #include "../generated/transform-dis-thumb2.inc.h"
+ __builtin_abort();
+}
diff --git a/lib/dis.h b/lib/dis.h
index c75886d..3802421 100644
--- a/lib/dis.h
+++ b/lib/dis.h
@@ -3,8 +3,8 @@
#include <stdbool.h>
#define UNUSED __attribute__((unused))
-#define INLINE inline __attribute__((always_inline))
-#define NOINLINE inline __attribute__((noinline))
+#define INLINE __attribute__((always_inline))
+#define NOINLINE __attribute__((noinline))
struct bitslice_run {
int inpos, outpos, len;