can run entrypoint on user elf

syscalls via call_abi are still not working

Cargo.lock

@@ -422,17 +422,6 @@ dependencies = [
  "defmt 0.3.100",
 ]
 
-[[package]]
-name = "delegate"
-version = "0.13.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6178a82cf56c836a3ba61a7935cdb1c49bfaa6fa4327cd5bf554a503087de26b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.104",
-]
-
 [[package]]
 name = "diff"
 version = "0.1.13"
@@ -485,26 +474,6 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 
-[[package]]
-name = "elf"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4445909572dbd556c457c849c4ca58623d84b27c8fff1e74b0b4227d8b90d17b"
-
-[[package]]
-name = "elf_loader"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30a0da8db95cff71e500b3d7015c2441a4eb628e0df788b23d1b8d1243314342"
-dependencies = [
- "bitflags 2.9.1",
- "cfg-if",
- "delegate",
- "elf",
- "portable-atomic",
- "portable-atomic-util",
-]
-
 [[package]]
 name = "embassy-embedded-hal"
 version = "0.3.1"
@@ -662,7 +631,6 @@ dependencies = [
  "nb 1.1.0",
  "pio 0.3.0",
  "rand_core",
- "rp-binary-info",
  "rp-pac",
  "rp2040-boot2",
  "sha2-const-stable",
@@ -1065,6 +1033,17 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "goblin"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e961b33649994dcf69303af6b3a332c1228549e604d455d61ec5d2ab5e68d3a"
+dependencies = [
+ "log",
+ "plain",
+ "scroll",
+]
+
 [[package]]
 name = "half"
 version = "2.6.0"
@@ -1456,13 +1435,13 @@ dependencies = [
  "abi",
  "bitflags 2.9.1",
  "bt-hci",
+ "bumpalo",
  "cortex-m",
  "cortex-m-rt",
  "cyw43",
  "cyw43-pio",
  "defmt 0.3.100",
  "defmt-rtt",
- "elf_loader",
  "embassy-embedded-hal",
  "embassy-executor",
  "embassy-futures",
@@ -1476,6 +1455,7 @@ dependencies = [
  "embedded-hal-bus",
  "embedded-layout",
  "embedded-sdmmc",
+ "goblin",
  "heapless",
  "num_enum 0.7.4",
  "panic-probe",
@@ -1588,6 +1568,12 @@ dependencies = [
  "syn 2.0.104",
 ]
 
+[[package]]
+name = "plain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
+
 [[package]]
 name = "portable-atomic"
 version = "1.11.1"
@@ -1597,15 +1583,6 @@ dependencies = [
  "critical-section",
 ]
 
-[[package]]
-name = "portable-atomic-util"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8a2f0d8d040d7848a709caf78912debcc3f33ee4b3cac47d73d1e1069e83507"
-dependencies = [
- "portable-atomic",
-]
-
 [[package]]
 name = "precomputed-hash"
 version = "0.1.1"
@@ -1752,12 +1729,6 @@ dependencies = [
  "bytemuck",
 ]
 
-[[package]]
-name = "rp-binary-info"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88ed2051a0bf2c726df01cfce378ed8a367be2a6e402fc183857f429a346d429"
-
 [[package]]
 name = "rp-pac"
 version = "7.0.0"
@@ -1807,6 +1778,26 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "scroll"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1257cd4248b4132760d6524d6dda4e053bc648c9070b960929bf50cfb1e7add"
+dependencies = [
+ "scroll_derive",
+]
+
+[[package]]
+name = "scroll_derive"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22fc4f90c27b57691bbaf11d8ecc7cfbfe98a4da6dbe60226115d322aa80c06e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"