Add adjustable stack size and call depth (bp #12728) (#12770)

* Add adjustable stack size and call depth (#12728)

(cherry picked from commit c3907be623)

# Conflicts:
#	programs/bpf/Cargo.toml
#	programs/bpf_loader/Cargo.toml

* resolve conflicts

Co-authored-by: Jack May <jack@solana.com>

runtime/src/process_instruction.rs

@@ -1,4 +1,6 @@
-use crate::feature_set::{compute_budget_balancing, max_invoke_depth_4, FeatureSet};
+use crate::feature_set::{
+    compute_budget_balancing, max_invoke_depth_4, max_program_call_depth_64, FeatureSet,
+};
 use solana_sdk::{
     account::{Account, KeyedAccount},
     instruction::{CompiledInstruction, Instruction, InstructionError},
@@ -92,6 +94,10 @@ pub struct ComputeBudget {
     pub sha256_base_cost: u64,
     /// Incremental number of units consumed by sha256 (based on bytes)
     pub sha256_byte_cost: u64,
+    /// Maximum BPF to BPF call depth
+    pub max_call_depth: usize,
+    /// Size of a stack frame in bytes, must match the size specified in the LLVM BPF backend
+    pub stack_frame_size: usize,
 }
 impl Default for ComputeBudget {
     fn default() -> Self {
@@ -111,6 +117,8 @@ impl ComputeBudget {
             max_invoke_depth: 1,
             sha256_base_cost: 85,
             sha256_byte_cost: 1,
+            max_call_depth: 20,
+            stack_frame_size: 4_096,
         };
 
         if feature_set.is_active(&compute_budget_balancing::id()) {
@@ -127,9 +135,15 @@ impl ComputeBudget {
             compute_budget = ComputeBudget {
                 max_invoke_depth: 4,
                 ..compute_budget
-            }
+            };
         }
 
+        if feature_set.is_active(&max_program_call_depth_64::id()) {
+            compute_budget = ComputeBudget {
+                max_call_depth: 64,
+                ..compute_budget
+            };
+        }
         compute_budget
     }
 }